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QUZYTTIR Cetirizine Hydrochloride 10 mg/mL Injection, 1 vial — NDC 70720-0100-10 package photo

QUZYTTIR Cetirizine Hydrochloride 10 mg/mL Injection, 1 vial

by TerSera Therapeutics LLC · 1 VIAL, GLASS in 1 CARTON (70720-100-10) / 1 mL in 1 VIAL, GLASS (70720-100-01)
NDC 70720-0100-10
🏷️ FDA NDC (as labeled) 70720-100-10 billing pads the product segment with a zero
This package
Contains1 vial Pack sizes2 compare ↓
Also comes in: 25 vials 70720-0100-25
Rx only Brand On market Non-controlled
🗂️ Data synced Jul 24, 2026 · sources: openFDA · FDA label (DailyMed) · FDA Orange & Purple Book · First Databank · CMS NADAC, ASP, Medicare & Medicaid · RxNorm
📋 All sources & update times →

This page is curated, coded, and maintained by

Compiled from public FDA, CMS, DailyMed, NADAC, and related drug data sources. Editorial policy

⚠️
Other active recalls for Cetirizine Hydrochloride (different manufacturers) — 3 · tap to view
These affect other manufacturers’ products for the same ingredient — not necessarily the exact NDC on this page.
Class I · Jun 24, 2026 — Cross Contamination with Other Products: Customer complaints for appearance of discolored tablets and red dots observed on Cetirizine Hydrochloride Tablets USP 5 mg. Determined to be Ranitidine. (JB Chemicals and Pharmaceuticals Ltd) · FDA recall D-0732-2026
Class III · Sep 12, 2025 — Tablet/Capsules Imprinted with Wrong ID (JB Chemicals and Pharmaceuticals Ltd) · FDA recall D-0032-2026
Class III · Sep 12, 2025 — Tablet/Capsules Imprinted with Wrong ID (JB Chemicals and Pharmaceuticals Ltd) · FDA recall D-0033-2026
Each entry is an official FDA enforcement report — look up any recall number in the FDA recall database ↗

🆔 Identity & classification

FDA NDC (as labeled) 70720-100-10
Product NDC 70720-100
11-digit billing NDC 70720010010
NCPDP billing unit ML — per mL (volume)
RxCUI 2261746, 2261754
UNII 64O047KTOA
UPC 0370720100107, 0370720100251
Application # NDA211415
SPL Set ID f33e859d-ebc9-4d4f-a57d-204c48760d20
Established class (EPC) Histamine-1 Receptor Antagonist
Mechanism of action Histamine H1 Receptor Antagonists
DEA schedule Non-controlled
Marketing category NDA
Marketing status On market
FDA listing status Listed (active directory)
Marketing start 2019-11-13
Route INTRAVENOUS
Dosage form INJECTION
Substance CETIRIZINE HYDROCHLORIDE
GPI-14 41550020102060
GPI class Quzyttir
GCN Seq No 080275
GCN 47027
HICL code 006544
Ingredient (HICL) Cetirizine Hcl
HIC1 code Z
Therapeutic class — broad (HIC1) Body As A Whole
HIC2 code Z2
Therapeutic class — intermediate (HIC2) Antihistamines, Antiserotonins, Immunosuppressants
HIC3 code Z2Q
Therapeutic class — specific (HIC3) Antihistamines - 2Nd Generation
AHFS code 04:08.00.00
AHFS class Second Generation Antihistamines
FDB label name QUZYTTIR 10 MG/ML VIAL
FDB brand name Quzyttir
Legend status F — Federal legend — prescription drug or device
Why two NDCs? The FDA registers this code as 70720-100-10 — a 5-3-2 layout, and that's what's printed on the package and shown on DailyMed. For insurance claims, every NDC is standardized to a uniform 11-digit 5-4-2 format by adding a zero to the product segment → 70720-0100-10. Same drug, same package — only the format differs.
Where does this data come from?
Identifiers from the FDA openFDA NDC Directory and Structured Product Labeling; RxCUI from RxNorm (NLM); GPI from Medi-Span; GCN / HIC / AHFS / legend from First Databank.

🏷️ RxNorm drug class

This medicine belongs to the Histamine-1 Receptor Antagonist class.

Pharmacologic class Histamine-1 Receptor Antagonist
Drug family (ATC) Piperazine derivatives, Other antiallergics
How it works Histamine H1 Receptor Antagonists
Where does this data come from?
Therapeutic classes from RxNorm RxClass (U.S. National Library of Medicine) — Established Pharmacologic Class (FDA), ATC drug family (WHO) and mechanism of action, matched by this product’s RxCUI.

🏭 Manufacturer & labeler

LabelerTerSera Therapeutics LLC
Application holderESTEVE PHARMACEUTICALS SA
FDA applicationNDA211415 (NDA)
Labeler code70720
First marketedNov 2019
Product typeHuman Prescription Drug
Portfolio9 products on file
The labeler markets the product; the application holder owns the FDA approval. They’re often the same company but can differ (e.g. a repackager or an authorized generic). A mailing address / phone appears here when the manufacturer includes it in the product’s FDA label (not all do).
Where does this data come from?
Labeler, application holder and registered establishment from the FDA openFDA NDC Directory and Drugs@FDA; address/contact from the product’s FDA label.

🩺 Clinical

Label name QUZYTTIR 10 MG/ML VIAL Ingredient Cetirizine Hcl
📗 Our plain-language guide HelloPharmacist
  • Quzyttir is a form of cetirizine — the same active ingredient in Zyrtec — but given directly into a vein instead of taken by mouth. It's approved to treat acute urticaria, which is...
  • It can cause some drowsiness, so you should be aware of that. In the clinical trial comparing Quzyttir to IV diphenhydramine (the ingredient in Benadryl), patients who received Quz...
  • Yes, Quzyttir is approved for children 6 months of age and older. However, it's not recommended for children under 6 years of age who have kidney or liver problems, because there i...
  • The main ones to watch out for are alcohol and other medications that cause drowsiness — things like sleep aids, anti-anxiety medicines, or strong pain medicines. Combining any of...
📖 Read our full Cetirizine Injection guide →

Supplement & herbal interactions

Some supplements/herbs that may interact with Cetirizine Hydrochloride — tap one for details:

BeerModerate WineModerate Dimethylsulfoxide (dmso)Moderate Turpentine OilModerate AlchemillaMinor
🌿 Every supplement checked against Cetirizine Hydrochloride (5 interactions) — ranked by severity →
Where does this data come from?
Plain-language summary from MedlinePlus (U.S. National Library of Medicine); supplement & herbal interactions and nutrient depletion data from the Natural Medicines database; our full guide is HelloPharmacist editorial content.

🧪 Inactive Ingredients / Excipients

Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.

💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.

  • UNII QTT17582CB
    A strong acid used to adjust and maintain the proper pH level in liquid medicines, ensuring stability and preventing breakdown of active ingredients.
  • UNII 451W47IQ8X
    Sodium chloride is common table salt. It's used in medicines as a buffer to maintain proper pH, as a filler to add bulk, or to adjust the osmotic balance in liquid formulations.
  • UNII 55X04QC32I
    A strong alkaline chemical used to adjust and maintain the pH balance of liquid medicines. It helps keep the medicine stable and ensures it stays effective during storage.
  • UNII 059QF0KO0R
    Water is a liquid solvent that dissolves and mixes ingredients together in liquid medicines, syrups, and injections. It helps distribute the active drug evenly throughout the product.

4 inactive ingredients listed in the exact product block matched to this NDC.

Where does this data come from?
Data sourced from official FDA Structured Product Labeling (SPL) via DailyMed — ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.

Inactive ingredient FAQ

Are inactive ingredients the same for every manufacturer?
No. Inactive ingredients can differ by manufacturer, dosage form, strength, and package / product version.
Why might an inactive ingredient be missing?
Some SPLs do not provide a complete structured inactive-ingredient list, and older or unusual labels may only include the information in narrative text.
Can inactive ingredients matter?
Yes. They can matter for allergies, intolerances, dyes, gluten / lactose concerns, preservatives, and formulation differences — but confirm with a pharmacist or the manufacturer when it’s clinically important.

💲 Pricing

A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.

Price systemPer eachPer package
Retail pharmacies payNADAC · weekly Not in the retail survey — common for institutional, discontinued, or low-volume packs.
Medicaid paysCMS SDUD · 12 mo No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data.
Medicare drug plans payPart D · quarterly No Part D plan price is available for this NDC in our data.
Medicare Part B allowsASP · J1201 $17.156 / J1201 unit —
Where does this data come from?
NADAC (National Average Drug Acquisition Cost) is the CMS weekly pharmacy-acquisition-cost survey — what pharmacies pay. ASP (Average Sales Price) is the CMS Medicare Part B drug-payment file, published quarterly. Medicaid pays is computed by us from CMS State Drug Utilization Data (total reimbursed ÷ units, trailing 12 months) — gross of rebates and inclusive of dispensing fees, so it reflects what Medicaid paid, not an acquisition cost. Medicare drug plans pay is the median negotiated point-of-sale unit cost across plans listing this NDC in the CMS quarterly Prescription Drug Plan pricing files, before rebates. The VA pays is the federal contract price (FSS, and the statutory Big 4 ceiling where listed) from the VA National Acquisition Center pharmaceutical price file. All are free public government data; each measures a different payer, so the figures are not directly comparable.

🧾 Billing & reimbursement

FDA NDC (as labeled)70720-100-10
11-digit billing NDC70720-0100-10
Format5-3-2 as registered → padded to 5-4-2 for billing (zero added to the product segment)
HCPCS J-codeJ1201
DescriptorInjection, cetirizine hydrochloride, 0.5 mg
Billing units / pkg20 units
Crosswalk sourceCMS ASP NDC-HCPCS Crosswalk
Where does this data come from?
The HCPCS J-code crosswalk comes from the CMS ASP NDC-HCPCS crosswalk and the DMEPDAC (DME MAC) NDC-HCPCS crosswalk — free public CMS data. Billing units are derived from the code’s descriptor and the package amount.

🔁 Therapeutic equivalents

ProductLabelerPackNADAC/unitTEStatusPrice vs. this
Quzyttir 10 mg/mLthis 70720-0100-10 TerSera 1 vial — — FDA listed —
Quzyttir 10 mg/mL 68118-0100-01 ESTEVE 1 vial — — Discontinued —
Quzyttir 10 mg/mL 68118-0200-10 ESTEVE 1 vial — — FDA listed —
About this product: this is the brand-name version. We did not find an FDA-approved generic match for this exact strength, form and route.
Where does this data come from?
Equivalents are other NDCs of the same ingredient, form and route from the openFDA NDC Directory, ranked least-expensive-first by NADAC. Therapeutic-equivalence (AB) ratings come from the FDA Orange Book; biologics use the FDA Purple Book for biosimilar & interchangeable status.

⏳ Availability & generic status

🏛️
2019
First FDA approval
Oct 2019
📍
2026
Currently FDA-listed
7 years listed
🛡️
2030
Latest patent/protection listed
not a guaranteed launch date
🔒No FDA-approved generic found

We did not find an FDA-approved generic match for this exact strength, form and route. Patent/protection dates below may affect future generic timing.

🛡️ Latest patent/protection date listed: FDA patent/protection data lists protections through Feb 2030. This may affect when a full generic version becomes widely available, but it is not a guaranteed launch date.
📅 FDA approved Oct 4, 2019 RLD RS ⏳ ~3.4 yr to latest listed protection

Why the date isn’t exact: Generic timing can change because patents may be challenged, settled, licensed, added, removed, or worked around with a narrower label — and FDA approval does not always mean a pharmacy can get the generic today.

Patents & exclusivity — FDA Orange Book
US 9180090 — method of use (U-2635)
US 8314083 — method of use (U-2634)
US 8513259 — method of use (U-2636)
US 8263581 — method of use (U-2635)
US 9119771 — method of use (U-2635)
2019 2021 2023 2025 2027 2029
Today
LOE
Substance patent Formulation patent Method-of-use patent Exclusivity Pediatric +6mo
🏛️FDA exclusivity
FDA-granted marketing protection. It’s separate from patents and may be shorter than patent protection.
🧪Product / substance patents
Patents covering the active ingredient, product, formulation, or related drug features.
🎯Method-of-use patents
Patents covering specific approved uses. These can sometimes be carved out with a “skinny label,” but not always.
🛈 What do these terms mean?
Patent
Legal protection listed in the Orange Book that may delay generic approval or launch. Issued by the U.S. Patent & Trademark Office.
Substance patent
Covers the active drug molecule itself — the hardest to design around. A generic generally can’t launch until it expires.
Formulation (product) patent
Covers a specific formulation or dosage form. A generic can sometimes work around it with a different formulation.
Method-of-use patent
A patent covering one specific approved use of the drug — not necessarily the whole molecule. A generic can sometimes launch with a “skinny label” that carves out the protected use and keeps the others.
Skinny label
A generic label that omits a still-patented use when the FDA allows it — letting a generic reach the market for the unprotected uses.
Exclusivity
FDA-granted marketing protection, separate from patents — e.g. 5-yr new chemical entity, 7-yr orphan drug, or a +6-month pediatric extension.
Paragraph IV
A generic applicant’s formal challenge to a listed patent. It can potentially lead to earlier generic entry, but often involves litigation or a settlement.
RLD / RS
Reference Listed Drug — the brand product the FDA uses as the reference for generic applications. Reference Standard — the product the FDA expects generics to compare against in bioequivalence testing.
TE / AB rating
FDA therapeutic-equivalence rating. An AB rating generally means the FDA considers a generic therapeutically equivalent to — and substitutable for — the brand.
LOE (loss of exclusivity)
The latest patent or exclusivity currently listed — the loss-of-exclusivity / latest-listed-protection date shown on this page. Paragraph-IV challenges and settlements can move the real date earlier; FDA approval and a manufacturer’s decision to market can move it later.

Built from the FDA Orange Book. The bars above are scaled to each protection’s expiry; the red LOE marker is the last one to lapse.

Listed patents (5)
PatentTypeUse codeExpires
US 9180090 ↗ Method of use U-2635 Feb 11, 2030
US 8314083 ↗ Method of use U-2634 Feb 28, 2030
US 8513259 ↗ Method of use U-2636 Feb 11, 2030
US 8263581 ↗ Method of use U-2635 Feb 28, 2030
US 9119771 ↗ Method of use U-2635 Feb 11, 2030
Common questions
Is there a generic version of QUZYTTIR 10 MG/ML VIAL?
No FDA-approved generic equivalent is currently listed in the FDA Orange Book for QUZYTTIR 10 MG/ML VIAL. Based on the patents and exclusivity currently listed, the Orange Book estimate is that full-label generic entry may be delayed until Feb 2030 — an estimate, not a guaranteed launch date.
The FDA approved a generic — why can’t I get it at my pharmacy yet?
FDA approval and pharmacy availability are two different things. The FDA can approve a generic years before it actually reaches pharmacies, because the brand company may still hold patents or have a settlement that delays the launch. A manufacturer also has to choose to make and sell it, and have supply ready. So a drug can be “FDA-approved generic exists” and still be brand-only at the counter today.
Why do different websites show different generic release dates?
Generic availability is not based on one single date. Some sources use the first exclusivity expiration, some use the last product patent, and others use the latest method-of-use patent. Patent challenges, settlements, licenses, and label carve-outs can also change the real-world launch date. This page shows the underlying Orange Book dates so you can see why estimates may differ.
What does “FDA listed” mean?
It means the product appears in the FDA’s official NDC directory. That’s a good sign a product exists and is intended for the U.S. market, but on its own it does not confirm a pharmacy can fill it today. Where we have recent retail pricing data (NADAC) for a product, we label it “Availability likely” instead.
What does a patent or protection date mean here?
It’s the latest date currently listed in the FDA Orange Book for a patent or exclusivity on the brand product. It can affect when a full generic version becomes widely available — but it is not a guaranteed generic launch date. Generics sometimes arrive earlier (through a settlement or patent challenge) or later (a manufacturer still has to make and sell one).
What does “current Orange Book estimate” mean?
It means we are using the latest patent and exclusivity dates currently listed in the FDA Orange Book. It is not a guaranteed launch date.
Can a generic come out before the last patent expires?
Sometimes. A generic company may challenge a patent, settle with the brand manufacturer, receive a license, or obtain approval with a narrower label that avoids a patented use. In other cases, the last listed protection may delay full-label generic competition.
Can a generic come out after the listed dates?
Yes. Even after patents or exclusivity expire, a generic still needs FDA approval and a manufacturer must choose to market it. Supply, litigation, business decisions, or regulatory issues can delay actual availability.
What is the difference between patents and exclusivity?
Patents are legal protections usually issued by the U.S. Patent and Trademark Office. FDA exclusivity is marketing protection granted by the FDA. They are separate, and either one can affect generic timing.
Why are there multiple patent dates?
One drug can have several patents covering different things: the active ingredient, a formulation, a manufacturing process, or a specific approved use. That is why a page may show several expiration dates instead of one simple generic date.
Built from FDA Orange Book patent and exclusivity data. Dates are refreshed from public FDA data when available; the marker is max(latest patent expiry, latest exclusivity expiry). Paragraph-IV settlements and first-filer 180-day exclusivity can shift the real date; a method-of-use patent may allow an earlier skinny-label generic for non-protected indications. Generic launch timing is an estimate, not a guarantee.
Where does this data come from?
Patents and exclusivity from the FDA Orange Book (small-molecule drugs), refreshed from public FDA data. Generic launch timing is an estimate, not a guarantee.

📊 Medicare Part D spend CMS · PART D · 2026 (Q1)

Medicare Part D (outpatient prescription) spending for Quzyttir — the program that covers self-administered drugs. 1 manufacturer.
⚠️ Drug-level data: CMS publishes Part D spending by drug, not by NDC — these figures combine every manufacturer, strength and package size sold under the name Quzyttir. That’s a different level of aggregation than the Medicaid card above, which is specific to this exact 11-digit NDC (pack size included), so the two aren’t directly comparable.
Period
Total Part D spend
$402.6K
Claims incl. refills
69
Beneficiaries
17
Spend / beneficiary
$23,680.41
Spend / claim
$5,834.30
Trend by period
💵 About the dollar figures: spending is what Part D plans paid before confidential manufacturer rebates, so the program’s real net cost is lower. A blank patient count means fewer than 11 people — CMS hides counts that small to protect privacy. Source: CMS Medicare Quarterly Part D Spending by Drug (data.cms.gov), updated quarterly.

📦 Packaging — all sizes for this product

Package NDCDescription Marketing startStatus
70720-0100-10 You're viewing this 1 VIAL, GLASS in 1 CARTON (70720-100-10) / 1 mL in 1 VIAL, GLASS (70720-100-01) 2020-04-02 Active
70720-0100-25 25 VIAL, GLASS in 1 CARTON (70720-100-25) / 1 mL in 1 VIAL, GLASS (70720-100-01) 2019-11-13 Active

Pack size FAQ

What quantity is in NDC 70720-0100-10?
NDC 70720-0100-10 contains 1 vial — 1 vial, glass in 1 carton / 1 ml in 1 vial, glass.
What is the difference between NDC 70720-0100-10 and NDC 70720-0100-25?
Both are QUZYTTIR Cetirizine Hydrochloride 10 mg/mL Injection — the drug itself is identical. NDC 70720-0100-10 is the 1 vial package, while NDC 70720-0100-25 is the 25 vials package.
What NDC number is used to bill for this package of QUZYTTIR Cetirizine Hydrochloride 10 mg/mL Injection?
Bill NDC 70720-0100-10 — the 11-digit billing format is 70720010010. Pharmacy and medical claims use the 11-digit form; the FDA label may print a shorter form of the same code.

🧭 About this NDC listing & data coverage

Finished prescription product
What data is (and isn’t) available for this NDC — tap to expand
NDC identity (package / product / labeler codes) ✓ Available
Labeler ✓ Available
Product & package description ✓ Available
Marketing category & status ✓ Available
Active ingredient / dosage form / route ✓ Available
FDA label (SPL via DailyMed) ✓ Available
Package photos ✓ Available
Inactive ingredients (structured) ✓ Available
NADAC pharmacy acquisition price (CMS) — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey.
Orange Book / therapeutic-equivalence data ✓ Available
HCPCS J-code billing crosswalk ✓ Available
Medicaid utilization (CMS SDUD) — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold.
“Not published” reflects what the public FDA / CMS / NLM sources provide for this exact package code — it is a property of the data feeds, not a judgment about the product.

Questions about this listing

Why is there no price listed?
The pricing shown on our NDC pages comes from CMS NADAC, a voluntary survey of retail community pharmacy invoices. CMS does not publish a NADAC for every NDC — packages outside the retail survey (institutional and hospital products, bulk packages, discontinued items, and many OTC items) may never receive one. A missing price reflects the survey's scope, not this product's actual cost, and does not mean the product is free or unavailable.
Is the NDC printed on the package the same as the 11-digit billing NDC?
Yes, they identify this exact package in different formats. The FDA registers it as 70720-100-10, which is what is printed on the packaging and shown on DailyMed. Insurance claims use a fixed 11-digit 5-4-2 format, so the short segment is padded with a leading zero: 70720-0100-10, written without dashes as 70720010010. The Identity section at the top of this page lists every form of this code.
What do the three segments of this NDC mean?
In 70720-0100-10, the first segment (70720) is the labeler code FDA assigned to TerSera Therapeutics LLC; the middle segment (0100) identifies this specific product — its ingredient, strength, and dosage form; and the last segment (10) identifies this exact package size and type. Together they name one specific package of one specific product.
Is this package still being marketed?
Yes, per the latest FDA NDC Directory data on this page: this package is listed as actively marketed, with no marketing end date reported by TerSera Therapeutics LLC. Listing status can change — the directory data on this page refreshes weekly.
Does this product come in other package sizes?
Yes — the FDA directory lists 1 other package presentation of this same product, including 25 vials (70720-0100-25). Each has its own NDC and its own page — see the package list near the top of this page.
Who lists this product with the FDA?
TerSera Therapeutics LLC is the labeler of record for this NDC — the company under whose FDA-assigned code the package is listed. The labeler may be the manufacturer itself or a distributor marketing the product under its own code.
Do I need a prescription for this product?
This NDC is listed with FDA as a prescription product, so it is dispensed under a prescriber's order. Your pharmacist can tell you whether any over-the-counter forms of the same medication exist.
Does this product have a billing J-code?
Yes — this NDC cross-references HCPCS code J1201 for medical-claim billing (typically used when a product is administered in a clinical setting rather than dispensed at a retail pharmacy). See the Billing section on this page.
This page identifies an FDA-listed package (the NDC) and reports public regulatory and pricing data about the listing. It is reference information, not a medical recommendation — talk to your pharmacist or prescriber about your own medication.
Where does this data come from?
Listing facts (marketing category, packager status, marketing dates) from the FDA openFDA NDC Directory; label availability from DailyMed; pricing coverage from CMS NADAC; equivalence scope from the FDA Orange Book.

📄 Full prescribing information FDA SPL

The complete FDA label for this product — the official prescribing information, verbatim, section by section. Jump with a chip, search within the label, or expand everything.
🎯 Indications and Usage ⏱️ Dosage and Administration 💊 Dosage Forms and Strengths ⛔ Contraindications ⚠️ Warnings and Cautions 🤒 Adverse Reactions 🔄 Drug Interactions 👥 Use in Specific Populations 🤰 Pregnancy 🧒 Pediatric Use 🧓 Geriatric Use 🆘 Overdosage 🧬 Clinical Pharmacology 🧬 Mechanism of Action 📦 How Supplied / Storage and Handling 📦 Storage and Handling 📋 Description 💬 Information for Patients
🎯 Indications and Usage 101 words ▾

1 INDICATIONS AND USAGE QUZYTTIR ® is indicated for the treatment of acute urticaria in adults and children 6 months of age and older. QUZYTTIR ® is a histamine-1 (H 1 ) receptor antagonist indicated for the treatment of acute urticaria in adults and children 6 months of age and older ( 1 ) Limitations of Use : Not recommended in pediatric patients less than 6 years of age with impaired renal or hepatic function ( 1 ) Limitations of use: QUZYTTIR ® is not recommended in pediatric patients less than 6 years of age with impaired renal or hepatic function.

⏱️ Dosage and Administration 216 words ▾

2 DOSAGE AND ADMINISTRATION QUZYTTIR is a single use injectable product for intravenous administration only. The recommended dosage regimen is once every 24 hours as needed for treatment of acute urticaria. Administer QUZYTTIR as an intravenous push over a period of 1 to 2 minutes.

QUZYTTIR is not recommended in pediatric patients less than 6 years of age with impaired renal or hepatic function [see Pediatric Use ( 8.4 )]. If using as an antihistamine prior to infusion product administration, refer to infusion product prescribing information for instructions. For intravenous administration only ( 2 ) Recommended dosages: Adults and adolescents ≥ 12 years of age and older: 10 mg ( 2.1 ) Children 6 to 11 years: 5 mg or 10 mg ( 2.2 ) Children 6 months to 5 years: 2.5 mg ( 2.3 ) Recommended dosage regimen is once every 24 hours as needed for acute urticaria ( 2 )

2.1Adults and adolescents 12 years of age and older The recommended dosage is 10 mg administered by intravenous injection.

2.2Children 6 to 11 years of age The recommended dosage is 5 mg or 10 mg depending on symptom severity administered by intravenous injection.

2.3Children 6 months to 5 years of age The recommended dosage is 2.5 mg administered by intravenous injection.

💊 Dosage Forms and Strengths 63 words ▾

3 DOSAGE FORMS AND STRENGTHS QUZYTTIR is a sterile, clear, colorless, non-pyrogenic, isotonic aqueous solution of cetirizine hydrochloride for intravenous injection; supplied in 2 mL size amber glass vials for single use. Each 2 mL size amber glass vial contains 1 mL drug solution with 10 mg cetirizine hydrochloride (equivalent to 8.42 mg of cetirizine). Injection: 10 mg/mL cetirizine hydrochloride ( 3 )

⛔ Contraindications 41 words ▾

4 CONTRAINDICATIONS The use of QUZYTTIR is contraindicated in patients with a known hypersensitivity to cetirizine hydrochloride or any of its ingredients, levocetirizine, or hydroxyzine. Known hypersensitivity to cetirizine hydrochloride or any of its ingredients, levocetirizine, or hydroxyzine ( 4 )

⚠️ Warnings and Cautions 76 words ▾

5 WARNINGS AND PRECAUTIONS Somnolence/Sedation: Exercise caution when driving a car or operating potentially dangerous machinery ( 5.1 )

5.1Somnolence/Sedation In clinical trials with QUZYTTIR and cetirizine hydrochloride tablets, the occurrence of somnolence/sedation has been reported in some patients. Exercise due caution when driving a car or operating potentially dangerous machinery. Avoid concurrent use of QUZYTTIR with alcohol or other CNS depressants because additional reduction in alertness and additional impairment of CNS performance may occur.

🤒 Adverse Reactions ~2 min read ▾

6 ADVERSE REACTIONS The following clinically significant adverse reaction is described elsewhere in the labeling: Somnolence/Sedation [see Warnings and Precautions ( 5.1 )] The most common adverse reactions (incidence less than 1%) with QUZYTTIR are dysgeusia, headache, paresthesia, presyncope, dyspepsia, feeling hot, and hyperhidrosis. Most common adverse reactions (incidence equal to or greater than 2%) with use of oral cetirizine hydrochloride are somnolence, fatigue, dry mouth, pharyngitis, and dizziness. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, call TerSera Therapeutics LLC at 1-844-334-4035 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

6.1Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Oral cetirizine hydrochloride The following adverse reactions associated with the use of oral cetirizine hydrochloride were identified in clinical trials. In clinical trials in patients 12 years and older the most common adverse reactions to oral cetirizine hydrochloride occurring with a 2% or greater incidence and greater than placebo were somnolence (14%), fatigue (6%), dry mouth (5%), pharyngitis (2%), and dizziness (2%).

In clinical trials in children 6 to 11 years of age with oral cetirizine hydrochloride the most common adverse reactions occurring with a 2% or greater incidence and greater than placebo were headache, pharyngitis, abdominal pain, coughing, somnolence, diarrhea, epistaxis, bronchospasm, nausea, and vomiting. Somnolence appeared to be dose related. Adverse reactions reported in placebo-controlled trials with oral cetirizine hydrochloride in pediatric patients 2 to 5 years were qualitatively similar in nature and generally similar in frequency to those reported in trials with children 6 to 11 years of age.

In placebo-controlled trials of pediatric patients 6 to 24 months of age, the incidences of adverse experiences were similar in the oral cetirizine hydrochloride and placebo treatment groups in each trial. In a trial of 1 week duration in children 6 to 11 months of age patients who received oral cetirizine hydrochloride exhibited greater irritability/fussiness than patients on placebo. In a trial of 18 months duration in patients 12 months and older, insomnia occurred more frequently in patients who received oral cetirizine hydrochloride compared to patients who received placebo.

QUZYTTIR The safety data of QUZYTTIR was evaluated in a randomized, double-blind, single-dose, non-inferiority study comparing QUZYTTIR to intravenous diphenhydramine in 262 adults with acute urticaria. The adverse reactions with QUZYTTIR occurred at an incidence of less than 1% and include: dyspepsia, feeling hot, dysgeusia, headache, paresthesia, presyncope, and hyperhidrosis. An additional randomized, double-blind, single dose study was conducted in 33 adults which showed similar safety results.

Sedation Subject-rated sedation scores were assessed at baseline, 1 hr, and/or 2 hrs, and/or "Readiness for Discharge”. Sedation was rated on a 0 to 3 scale (0 = none, to 3 = severe) with lower sedation scores indicating less sedation. Subjects in the QUZYTTIR treatment group reported less sedation at all time points compared to subjects treated with diphenhydramine.

🔄 Drug Interactions 68 words ▾

7 DRUG INTERACTIONS No clinically significant drug interactions with oral cetirizine hydrochloride, the active ingredient in QUZYTTIR, have been found with theophylline at a low dose, azithromycin, pseudoephedrine, ketoconazole, or erythromycin. There was a small decrease in the clearance of oral cetirizine hydrochloride caused by a 400-mg dose of theophylline; it is possible that larger theophylline doses could have a greater effect [see Clinical Pharmacology ( 12.3 )].

👥 Use in Specific Populations ~3 min read ▾

8 USE IN SPECIFIC POPULATIONS

8.1Pregnancy Risk Summary There are no adequate and well-controlled studies in pregnant women with cetirizine hydrochloride the active ingredient in QUZYTTIR. In animal reproduction studies, there was no evidence of fetal harm with administration of cetirizine hydrochloride by the oral route to pregnant mice, rats, and rabbits, during the period of organogenesis, at doses that were 45 times and higher than the maximum recommended human dose (MRHD) in adults. In rats treated during late gestation and the lactation period, cetirizine hydrochloride had no effects on pup development at oral doses up to approximately 30 times the MRHD in adults.

In mice treated during late gestation and the lactation period, cetirizine hydrochloride administered by the oral route to the dams had no effects on pup development at a dose that was approximately 10 times the MRHD in adults; however, lower pup weight gain during lactation was observed at a dose that was 45 times the MRHD in adults (See Data ). The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes.

In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20% respectively. Data Animal Data : In embryofetal development studies conducted in mice, rats, and rabbits, cetirizine hydrochloride, administered during the period of organogenesis, was not teratogenic at doses up to 45, 220, and 260 times the MRHD, respectively (on a mg/m 2 basis with maternal oral doses up to 96, 225, and 135 mg/kg). In a prenatal and postnatal development (PPND) study conducted in mice, cetirizine hydrochloride was administered at oral doses up to 96 mg/kg/day from gestation day 15 through lactation day 21.

Cetirizine hydrochloride lowered pup body weight gain during lactation at an oral dose in dams that was approximately 45 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 96 mg/kg/day); however, there were no effects on pup weight gain at an oral dose in dams that was approximately 10 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 24 mg/kg/day). In a PPND study conducted in rats, cetirizine hydrochloride was administered at oral doses up to 180 mg/kg/day from gestation day 17 to lactation day 22.

Cetirizine hydrochloride did not have any adverse effects on rat dams or offspring development at doses up to approximately 30 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 30 mg/kg/day). Cetirizine hydrochloride caused excessive maternal toxicity at an oral dose in dams that was approximately 180 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 180 mg/kg/day).

8.2Lactation Risk Summary Cetirizine hydrochloride has been reported to be present in human breast milk. In mice and beagle dogs, studies indicated that cetirizine hydrochloride was excreted in milk ( See Data ). When a drug is present in animal milk, it is likely the drug will be present in human milk.

The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for QUZYTTIR and any potential adverse effects on the breastfed child from QUZYTTIR or from the underlying maternal condition. Data Animal Data : Cetirizine hydrochloride was detected in the milk of mice. No adverse developmental effects on pups were seen when cetirizine hydrochloride was administered orally to dams during lactation at a dose that was approximately 10 times the MRHD in adults [see Use in Specific Populations ( 8.1 )] .

Studies in beagle dogs indicated that approximately 3% of the dose of cetirizine hydrochloride was excreted in milk. The concentration of drug in animal milk does not necessarily predict the concentration of drug in human milk.

8.4 Pediatric Use The safety and efficacy of QUZYTTIR have be…

🤰 Pregnancy ~2 min read ▾

8.1Pregnancy Risk Summary There are no adequate and well-controlled studies in pregnant women with cetirizine hydrochloride the active ingredient in QUZYTTIR. In animal reproduction studies, there was no evidence of fetal harm with administration of cetirizine hydrochloride by the oral route to pregnant mice, rats, and rabbits, during the period of organogenesis, at doses that were 45 times and higher than the maximum recommended human dose (MRHD) in adults. In rats treated during late gestation and the lactation period, cetirizine hydrochloride had no effects on pup development at oral doses up to approximately 30 times the MRHD in adults.

In mice treated during late gestation and the lactation period, cetirizine hydrochloride administered by the oral route to the dams had no effects on pup development at a dose that was approximately 10 times the MRHD in adults; however, lower pup weight gain during lactation was observed at a dose that was 45 times the MRHD in adults (See Data ). The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes.

In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20% respectively. Data Animal Data : In embryofetal development studies conducted in mice, rats, and rabbits, cetirizine hydrochloride, administered during the period of organogenesis, was not teratogenic at doses up to 45, 220, and 260 times the MRHD, respectively (on a mg/m 2 basis with maternal oral doses up to 96, 225, and 135 mg/kg). In a prenatal and postnatal development (PPND) study conducted in mice, cetirizine hydrochloride was administered at oral doses up to 96 mg/kg/day from gestation day 15 through lactation day 21.

Cetirizine hydrochloride lowered pup body weight gain during lactation at an oral dose in dams that was approximately 45 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 96 mg/kg/day); however, there were no effects on pup weight gain at an oral dose in dams that was approximately 10 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 24 mg/kg/day). In a PPND study conducted in rats, cetirizine hydrochloride was administered at oral doses up to 180 mg/kg/day from gestation day 17 to lactation day 22.

Cetirizine hydrochloride did not have any adverse effects on rat dams or offspring development at doses up to approximately 30 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 30 mg/kg/day). Cetirizine hydrochloride caused excessive maternal toxicity at an oral dose in dams that was approximately 180 times the MRHD (on a mg/m 2 basis with a maternal oral dose of 180 mg/kg/day).

🧒 Pediatric Use ~2 min read ▾

8.4Pediatric Use The safety and efficacy of QUZYTTIR have been established in patients 6 months to 17 years of age. The efficacy of QUZYTTIR for the treatment of acute urticaria down to 6 months of age is based on extrapolation of the efficacy of QUZYTTIR in adults with acute urticaria [see Clinical Studies ( 14 )] and supported by pharmacokinetic data with oral cetirizine hydrochloride (the active ingredient in QUZYTTIR) in patients 6 months to 17 years of age. Based upon the known PK profile of oral cetirizine hydrochloride, the exposure of IV cetirizine hydrochloride in pediatric patients (6 months to 17 years of age) is expected to be similar to the exposure of IV cetirizine hydrochloride in adults at the labeled doses.

Extrapolation of efficacy is based on the likelihood that the disease course, pathophysiology and the drug's effect are similar between these two populations. The safety of QUZYTTIR in children 6 months to 17 years of age is supported by safety information from placebo-controlled clinical trials with oral cetirizine hydrochloride in patients 6 months of age and older [see Adverse Reactions ( 6 )]. QUZYTTIR demonstrates a higher C max compared to oral cetirizine hydrochloride in adults [see Clinical Pharmacology ( 12.3 )] .

As QUZYTTIR is indicated for an acute condition administered in a medically supervised setting, the safety for higher C max in children 6 months to less than 18 years of age is supported by the safety data from the clinical trial with IV cetirizine hydrochloride in adults [see Adverse Reactions ( 6 )] and available safety information from pediatric overdose cases. Because of the absence of pharmacokinetic and safety information for cetirizine hydrochloride in children below 6 years of age with impaired renal or hepatic function, the use of QUZYTTIR in this impaired patient population is not recommended [see Dosage And Administration ( 2 )].

The safety and efficacy of QUZYTTIR in patients less than 6 months of age has not been established.

🧓 Geriatric Use 118 words ▾

8.5Geriatric Use In clinical trials with QUZYTTIR, 18 patients were 65 years and older, and 6 patients were 75 years and older. No overall differences in safety were observed between these patients and younger patients, but greater sensitivity of some older individuals cannot be ruled out. In clinical trials with cetirizine hydrochloride oral tablets, 186 patients were 65 years and older, and 39 patients were 75 years and older.

No overall differences in safety were observed between these patients and younger patients. With regard to efficacy, the clinical trials with cetirizine hydrochloride oral tablets and QUZYTTIR did not include sufficient numbers of patients aged 65 years and older to determine whether they respond differently than younger patients.

🆘 Overdosage 181 words ▾

10 OVERDOSAGE Cases of adult and pediatric patients with overdoses of only oral cetirizine hydrochloride have been reported, some of which resulted in adverse reactions. Adult overdose cases involved patients 18 to 81 years of age receiving oral cetirizine hydrochloride doses of 70 mg to 800 mg (7 to 80 times the maximum recommended dosage of 10 mg/day in adults). The most commonly reported adverse reactions were somnolence and fatigue.

Other reported adverse reactions included tachycardia, abdominal pain, nausea, and vomiting. Pediatric overdose cases involved patients 18 months to 15 years of age receiving oral cetirizine hydrochloride doses of 90 mg to 300 mg (9 to 72 times the maximum age recommended dose). The adverse reactions reported included: somnolence, difficulty walking, agitation/irritability, hard to swallow/articulate clearly, tachycardia, vomiting, mydriasis, and elevated creatinine phosphokinase.

If overdose with QUZYTTIR occurs, treatment should be symptomatic or supportive, taking into account any concomitantly ingested medications. There is no known specific antidote to cetirizine hydrochloride. Cetirizine hydrochloride is not effectively removed by dialysis, and dialysis will be ineffective unless a dialyzable agent has been concomitantly ingested.

🧬 Clinical Pharmacology ~3 min read ▾

12 CLINICAL PHARMACOLOGY

12.1Mechanism of Action Cetirizine hydrochloride, a human metabolite of hydroxyzine, is an antihistamine; its principal effects are mediated via selective inhibition of peripheral H 1 -receptors. The antihistaminic activity of cetirizine hydrochloride has been clearly documented in a variety of animal and human models. In vivo and ex vivo animal models have shown negligible anticholinergic and antiserotonergic activity.

In clinical studies however, dry mouth was more common with cetirizine hydrochloride than with placebo. In vitro receptor binding studies have shown no measurable affinity for receptors other than H 1 receptors.

12.2Pharmacodynamics Studies in 69 adult normal volunteers (aged 20 to 61 years) showed that cetirizine hydrochloride oral tablets at doses of 5 and 10 mg strongly inhibited the skin wheal and flare caused by the intradermal injection of histamine. The onset of this activity after a single 10-mg oral dose occurred within 20 minutes in 50% of subjects and within one hour in 95% of subjects; this activity persisted for at least 24 hours. Cetirizine hydrochloride tablets at doses of 5 and 10 mg also strongly inhibited the wheal and flare caused by intradermal injection of histamine in 19 pediatric volunteers (aged 5 to 12 years) and the activity persisted for at least 24 hours.

In a 35-day study in children aged 5 to 12, no tolerance to the antihistaminic (suppression of wheal and flare response) effects of cetirizine hydrochloride oral tablets was found. In 10 infants 7 to 25 months of age who received 4 to 9 days of cetirizine hydrochloride in an oral solution (0.25 mg/kg bid), there was a 90% inhibition of histamine-induced (10 mg/mL) cutaneous wheal and 87% inhibition of the flare 12 hours after administration of the last dose. The clinical relevance of this suppression of histamine-induced wheal and flare response on skin testing is unknown.

The effects of intradermal injection of various other mediators or histamine releasers were also inhibited by oral cetirizine hydrochloride, as was response to a cold challenge in patients with cold-induced urticaria. In mildly asthmatic subjects, cetirizine hydrochloride oral tablets at 5 to 20 mg blocked bronchoconstriction due to nebulized histamine, with virtually total blockade after a 20-mg dose. In studies conducted for up to 12 hours following cutaneous antigen challenge, the late phase recruitment of eosinophils, neutrophils and basophils, components of the allergic inflammatory response, was inhibited by cetirizine hydrochloride oral tablets at a dose of 20 mg.

Cardiac Electrophysiology In four clinical studies in healthy adult males, no clinically significant mean increases in QTc were observed in subjects treated with cetirizine hydrochloride oral tablets. In the first study, a placebo-controlled crossover trial, cetirizine hydrochloride oral tablets were given at doses up to 60 mg per day, 6 times the maximum clinical dose, for 1 week, and no significant mean QTc prolongation occurred. In the second study, a crossover trial, cetirizine hydrochloride oral tablets 20 mg and erythromycin (500 mg every 8 hours) were given alone and in combination.

There was no significant effect on QTc with the combination or with cetirizine hydrochloride alone. In the third trial, also a crossover study, cetirizine hydrochloride oral tablet 20 mg and ketoconazole (400 mg per day) were given alone and in combination. Cetirizine caused a mean increase in QTc of 9.1 msec from baseline after 10 days of therapy.

Ketoconazole also increased QTc by 8.3 msec. The combination caused an increase of 17.4 msec, equal to the sum of the individual effects. Thus, there was no significant drug interaction on QTc with the combination of cetirizine and ketoconazole.

In the fourth study, a placebo-controlled parallel trial, cetirizine hydrochloride oral tablet 20 mg was given alone or in combination with azithromycin (500 mg as a single dose on the first day foll…

🧬 Mechanism of Action 91 words ▾

12.1Mechanism of Action Cetirizine hydrochloride, a human metabolite of hydroxyzine, is an antihistamine; its principal effects are mediated via selective inhibition of peripheral H 1 -receptors. The antihistaminic activity of cetirizine hydrochloride has been clearly documented in a variety of animal and human models. In vivo and ex vivo animal models have shown negligible anticholinergic and antiserotonergic activity.

In clinical studies however, dry mouth was more common with cetirizine hydrochloride than with placebo. In vitro receptor binding studies have shown no measurable affinity for receptors other than H 1 receptors.

📦 How Supplied / Storage and Handling 104 words ▾

16 HOW SUPPLIED/STORAGE AND HANDLING QUZYTTIR (cetirizine hydrochloride injection), 10 mg/mL, pH between 4.5 to 6.5, is supplied as a sterile, clear, colorless, non-pyrogenic isotonic aqueous solution in single-use 2 mL amber glass vials. The following packaging configuration is available: NDC 70720-100-01: 10 mg/mL cetirizine hydrochloride single-use vial NDC 70720-100-10: Carton containing 1 single-use vial (10 mg/mL cetirizine hydrochloride) NDC 70720-100-25: Carton containing 25 single-use vials (10 mg/mL cetirizine hydrochloride) Storage and Handling: QUZYTTIR (cetirizine hydrochloride injection) should be stored at 20°C to 25°C (68°F to 77°F), excursions permitted to 15° - 30°C (59° - 86°F) [see USP Controlled Room Temperature].

Discard unused portion.

📦 Storage and Handling 34 words ▾

Storage and Handling: QUZYTTIR (cetirizine hydrochloride injection) should be stored at 20°C to 25°C (68°F to 77°F), excursions permitted to 15° - 30°C (59° - 86°F) [see USP Controlled Room Temperature]. Discard unused portion.

📋 Description 174 words ▾

11 DESCRIPTION Cetirizine hydrochloride, the active component of QUZYTTIR, is a selective histamine-1 (H 1 ) receptor antagonist. The chemical name is (±) –[2-[4-[(4-chlorophenyl)phenylmethyl]-1- piperzinyl] ethoxy]acetic acid, dihydrochloride. Cetirizine hydrochloride is a racemic compound with an empirical formula of C 21 H 25 ClN 2 O 3 •2HCl.

The molecular weight is 461.82 and the chemical structure is shown below: Cetirizine hydrochloride is a white, crystalline powder and is water soluble. QUZYTTIR is a sterile, clear, colorless, non-pyrogenic, isotonic solution for intravenous injection. Each mL of QUZYTTIR injection contains 10 mg cetirizine hydrochloride (equivalent to cetirizine 8.42 mg) and 6.5 mg sodium chloride, USP to adjust solution tonicity, in water for injection, USP.

QUZYTTIR is supplied in 2 mL size amber glass vials for single use. Each 2 mL size amber glass vial contains 1 mL drug solution with 10 mg cetirizine hydrochloride (10 mg/mL). QUZYTTIR's pH is maintained between 4.5 to 6.5 with sodium hydroxide and/or hydrochloric acid as needed.

The osmolality of QUZYTTIR injection is between 255 to 340 mOsmol. Chemical Structure

💬 Information for Patients 99 words ▾

17 PATIENT COUNSELING INFORMATION Somnolence/Sedation Inform patients that somnolence has occurred with administration of QUZYTTIR. Instruct patients to exercise caution when driving a car or operating potentially dangerous machinery. Instruct patients to avoid use of alcohol or other CNS depressants after they have received treatment with QUZYTTIR because additional reduction in alertness and additional impairment of CNS performance might occur [see Warnings and Precautions ( 5.1 )].

QUZYTTIR ® is a trademark of TerSera Therapeutics LLC or its affiliates. Distributed by: TerSera Therapeutics LLC, Deerfield, IL 60015 ©2025 TerSera Therapeutics LLC U.S. Patent Numbers: 9,119,771; 8,263,581; 8,513,259; 8,314,083; 9,180,090

Source: FDA Structured Product Labeling, mirrored from DailyMed / openFDA. Prefer the government’s original formatting? View this label on DailyMed ↗
70720-0101-02 · TerSera →
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