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Aczone dapsone 75 mg/g Gel — NDC 16110-0526-90 package photo

Aczone dapsone 75 mg/g Gel

by Almirall, LLC · 1 BOTTLE, PUMP in 1 CARTON (16110-526-90) / 90 g in 1 BOTTLE, PUMP
NDC 16110-0526-90
🏷️ FDA NDC (as labeled) 16110-526-90 billing pads the product segment with a zero
This package
Contains90 g in 1 bottle, pump Pack sizes3 compare ↓
Also comes in: 30 g 16110-0526-30 60 g 16110-0526-60
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 Dapsone (different manufacturers) — 4 · tap to view
These affect other manufacturers’ products for the same ingredient — not necessarily the exact NDC on this page.
Class II · Dec 10, 2024 — Crystallization (VIONA PHARMACEUTICALS INC) · FDA recall D-0172-2025
Class II · Dec 10, 2024 — Crystallization (VIONA PHARMACEUTICALS INC) · FDA recall D-0171-2025
Class II · Oct 29, 2024 — Crystallization (VIONA PHARMACEUTICALS INC) · FDA recall D-0038-2025
Class II · Sep 24, 2024 — Crystallization (VIONA PHARMACEUTICALS INC) · FDA recall D-0011-2025
Each entry is an official FDA enforcement report — look up any recall number in the FDA recall database ↗

🆔 Identity & classification

FDA NDC (as labeled) 16110-526-90
Product NDC 16110-526
11-digit billing NDC 16110052690
NCPDP billing unit GM — per gram (weight)
RxCUI 1741905, 1741907
UNII 8W5C518302
Application # NDA207154
SPL Set ID 22058b7d-a578-4eaa-a476-ac982337f02a
Established class (EPC) Sulfone
Chemical class Sulfones
DEA schedule Non-controlled
Marketing category NDA
Marketing status On market
FDA listing status Listed (active directory)
Marketing start 2019-09-10
Route TOPICAL
Dosage form GEL
Substance DAPSONE
GPI-14 90051015004030
GPI class Aczone
GCN Seq No 075635
GCN 37634
HICL code 004177
Ingredient (HICL) Dapsone
HIC1 code L
Therapeutic class — broad (HIC1) Skin/Subcutaneous Tissue
HIC2 code L5
Therapeutic class — intermediate (HIC2) Keratolytics/Keratoplastics
HIC3 code L5H
Therapeutic class — specific (HIC3) Acne Agents,Topical
AHFS code 08:16.08.00
AHFS class Antileprosy Agents
FDB label name ACZONE 7.5% GEL PUMP
FDB brand name Aczone
Legend status F — Federal legend — prescription drug or device
TE code (Orange Book) AB · RLD · RS
Why two NDCs? The FDA registers this code as 16110-526-90 — 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 → 16110-0526-90. 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 Sulfone class.

Pharmacologic class Sulfone
Drug family (ATC) Other anti-acne preparations for topical use, Drugs for treatment of lepra
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

LabelerAlmirall, LLC
Application holderALMIRALL LLC
FDA applicationNDA207154 (NDA)
Labeler code16110
First marketedSep 2019
Product typeHuman Prescription Drug
Portfolio11 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 ACZONE 7.5% GEL PUMP Ingredient Dapsone
📖 What it is MedlinePlus · NLM

Dapsone topical is used to treat acne in children, teenagers, and adults. Dapsone is in a class of medications called sulfone antibiotics. It works by slowing or stopping the growth of bacteria and to decrease inflammation.

Read the full MedlinePlus article ↗
📗 Our plain-language guide HelloPharmacist
  • It depends on the form. The dapsone tablet is used to treat leprosy and a blistering, itchy skin condition called dermatitis herpetiformis. The topical gel — including Aczone Gel —...
  • Gently wash your face and pat it dry first. Then squeeze out about a pea-sized amount of Aczone Gel, 7.5% and apply a thin layer across your whole face once a day. You can also app...
  • With the gel, the most common ones are mild — some dryness, oiliness, peeling, or redness where you apply it. One thing to know: if you also use a benzoyl peroxide product, applyin...
  • What side effects should I watch out for?
📖 Read our full Dapsone guide →
7
Nutrient depletion considerations

Dapsone may be associated with lower levels of 7 nutrients — worth a chat with your pharmacist, not a cause for alarm.

🧪 Full Dapsone nutrient depletion report →
An association is not a deficiency. Educational only — don't start or stop anything without professional guidance.
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.

💊 What it looks like

Color White
One label can cover several strengths, so colors may be combined — always confirm a loose pill against the dispensed prescription label or a pharmacist.
Where does this data come from?
Physical description (imprint, shape, color, scoring, coating) from this product’s FDA Structured Product Labeling (SPL), mirrored from DailyMed / openFDA.

🧪 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.

Loading inactive ingredients from the official FDA label in the background. No external source is being called by this page request.
Where does this data come from?
Source: official FDA Structured Product Labeling (SPL) via DailyMed and the openFDA label index. Structured IACT rows and label-wide narrative are kept separate; availability and product-level specificity depend on the submitted label.

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 gPer 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.
ℹ️
No price is published for this exact package yet. CMS surveys NADAC per package size, so a different pack of the same drug often has one.
Try another pack size: 30 g 60 g
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.

🔁 Therapeutic equivalents

ProductLabelerPackNADAC/unitTEStatusPrice vs. this
Dapsone 75 mg/g 00378-4830-60 Mylan 1 bottle $0.729 AB Availability likely —
dapsone 75 mg/g 13668-0605-05 Torrent 1 bottle $0.729 AB Availability likely —
Dapsone 75 mg/g 16714-0975-01 NORTHSTAR 1 bottle $0.729 AB Availability likely —
Dapsone 75 mg/g 68308-0342-60 Mayne 1 bottle $0.729 AB Availability likely —
Dapsone 75 mg/g 69238-1627-06 Amneal 1 bottle $0.729 AB Availability likely —
Aczone 75 mg/gthis 16110-0526-90 Almirall, 1 bottle — AB FDA listed —
Dapsone 75 mg/g 46708-0663-30 Alembic 1 bottle — AB FDA listed —
Dapsone 75 mg/g 51672-1388-02 Sun 1 bottle — AB FDA listed —
Dapsone 75 mg/g 52817-0832-60 Trupharma, 1 tube — AB FDA listed —
Dapsone 75 mg/g 62332-0663-30 Alembic 1 bottle — AB FDA listed —
Dapsone 75 mg/g 70771-1538-02 Zydus 1 bottle — AB FDA listed —
Dapsone 75 mg/g 72578-0094-01 Viona 1 bottle — AB FDA listed —
About this product: this is the brand-name version. FDA-approved generic versions are listed, and recent pricing/market data suggests they may be available.
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

🏛️
2016
First FDA approval
Feb 2016
📍
2026
Currently FDA-listed
10 years listed
🛡️
2033
Latest patent/protection listed
not a guaranteed launch date
✅Generic appears available

FDA-approved generic versions are listed, and recent pricing/market data suggests they may be available — see Therapeutic equivalents.

🛡️ Latest patent/protection date listed: FDA patent/protection data lists protections through Nov 2033. This may affect when a full generic version becomes widely available, but it is not a guaranteed launch date.
📅 FDA approved Feb 24, 2016 AB TE-rated RLD RS ⏳ ~7.2 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 11273132 — drug product
2016 2018 2020 2022 2024 2026 2028 2030 2032 2034
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 (1)
PatentTypeUse codeExpires
US 11273132 ↗ Drug product — Nov 18, 2033
Common questions
Is there a generic version of ACZONE 7.5% GEL PUMP?
Yes — an FDA-approved generic equivalent is listed in the FDA Orange Book for ACZONE 7.5% GEL PUMP. See the alternatives section for substitutable, lower-cost products.
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 · 2025 (Q1-Q4)

Medicare Part D (outpatient prescription) spending for Aczone — 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 Aczone. 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.
Total Part D spend
$44.9K
Claims incl. refills
56
Beneficiaries
30
Spend / beneficiary
$1,497.09
Spend / claim
$802.01
💵 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.

🔬 Reported adverse events (FAERS)

Read carefully: FAERS reports are voluntary and unverified. Counts are not incidence, do not establish causation, are subject to reporting bias, and cannot be used to compare one drug to another. Shown for signal context only. Reports for Dapsone — the ingredient across all brands.

Top reported reactions

Nausea487
Methaemoglobinaemia481
Fatigue477
Pyrexia468
Diarrhoea424
Rash398
Dyspnoea387

Age at onset

Neonate10
Infant17
Child28
Adolescent57
Adult1,101
Elderly446

Reporter sex

10,640 reports
Male · 45%
Female · 54%
Unknown · 0%

Serious outcomes

Hospitalization3,830
Death934
Life-threatening655
Disabling210
Reports over time (by year) — tap or hover for the count & year
2019 2021 2023 2026 933 0
Most recent year is provisional (FAERS lags ~3 months).
Where does this data come from?
Adverse-event reports from the FDA Adverse Event Reporting System (FAERS) via openFDA. FAERS reports are voluntary and unverified — counts are not incidence and don’t establish causation.

📦 Packaging — all sizes for this product

Package NDCDescription Marketing startStatus
16110-0526-30 1 BOTTLE, PUMP in 1 CARTON (16110-526-30) / 30 g in 1 BOTTLE, PUMP 2019-09-10 Discontinued by firm
16110-0526-60 1 BOTTLE, PUMP in 1 CARTON (16110-526-60) / 60 g in 1 BOTTLE, PUMP 2019-09-10 Active
16110-0526-90 You're viewing this 1 BOTTLE, PUMP in 1 CARTON (16110-526-90) / 90 g in 1 BOTTLE, PUMP 2019-09-10 Active

Pack size FAQ

What quantity is in NDC 16110-0526-90?
NDC 16110-0526-90 is listed by the FDA — 1 bottle, pump in 1 carton / 90 g in 1 bottle, pump.
What NDC number is used to bill for this package of Aczone dapsone 75 mg/g Gel?
Bill NDC 16110-0526-90 — the 11-digit billing format is 16110052690. 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) — Not published for this NDC The labeler did not submit a structured excipient list, or no SPL is 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 — Not published for this NDC Most self-administered / retail products have no J-code — that is normal.
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 16110-526-90, 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: 16110-0526-90, written without dashes as 16110052690. 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 16110-0526-90, the first segment (16110) is the labeler code FDA assigned to Almirall, LLC; the middle segment (0526) identifies this specific product — its ingredient, strength, and dosage form; and the last segment (90) 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 Almirall, 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 2 other package presentations of this same product, including 1 bottle (16110-0526-30), 1 bottle (16110-0526-60). 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?
Almirall, 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.
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 🧬 Clinical Pharmacology 🧬 Mechanism of Action 📦 How Supplied / Storage and Handling 📦 Storage and Handling 📋 Description 💬 Information for Patients
🎯 Indications and Usage 52 words ▾

1 INDICATIONS AND USAGE ACZONE ® (dapsone) Gel, 7.5%, is indicated for the topical treatment of acne vulgaris in patients 9 years of age and older. ACZONE ® Gel, 7.5%, is a sulfone indicated for the topical treatment of acne vulgaris in patients 9 years of age and older ( 1 ).

⏱️ Dosage and Administration 151 words ▾

2 DOSAGE AND ADMINISTRATION For topical use only. Not for oral, ophthalmic, or intravaginal use. After the skin is gently washed and patted dry, apply approximately a pea-sized amount of ACZONE Gel, 7.5%, in a thin layer to the entire face once daily.

In addition, a thin layer may be applied to other affected areas once daily. Rub in ACZONE Gel, 7.5%, gently and completely. If there is no improvement after 12 weeks, treatment with ACZONE Gel, 7.5% should be reassessed.

Apply once daily ( 2 ). Apply approximately a pea-sized amount of ACZONE Gel, 7.5%, in a thin layer to the entire face. A thin layer can also be applied to other affected areas ( 2 ).

If there is no improvement after 12 weeks, treatment with ACZONE Gel, 7.5% should be reassessed ( 2 ). For topical use only. Not for oral, ophthalmic, or intravaginal use ( 2 ).

💊 Dosage Forms and Strengths 32 words ▾

3 DOSAGE FORMS AND STRENGTHS Gel, 7.5%. Each gram of ACZONE Gel, 7.5% contains 75 mg of dapsone in an off-white to yellow gel with suspended particles. Gel, 7.5% ( 3 ).

⛔ Contraindications 7 words ▾

4 CONTRAINDICATIONS None. None ( 4 ).

⚠️ Warnings and Cautions ~2 min read ▾

5 WARNINGS AND PRECAUTIONS Methemoglobinemia: Cases of methemoglobinemia have been reported. Discontinue ACZONE Gel if signs of methemoglobinemia occur ( 5.1 ). Hemolysis: Some patients with Glucose-6-phosphate Dehydrogenase (G6PD) deficiency using topical dapsone developed laboratory changes suggestive of hemolysis ( 5.1 )( 8.6 ).

5.1Hematological Effects Methemoglobinemia Cases of methemoglobinemia, with resultant hospitalization, have been reported postmarketing in association with twice daily dapsone gel, 5%, treatment. Patients with glucose-6-phosphate dehydrogenase deficiency or congenital or idiopathic methemoglobinemia are more susceptible to drug-induced methemoglobinemia. Avoid use of ACZONE Gel, 7.5% in those patients with congenital or idiopathic methemoglobinemia.

Signs and symptoms of methemoglobinemia may be delayed some hours after exposure. Initial signs and symptoms of methemoglobinemia are characterized by a slate grey cyanosis seen in e.g., buccal mucous membranes, lips, and nail beds. Advise patients to discontinue ACZONE Gel, 7.5% and seek immediate medical attention in the event of cyanosis.

Dapsone can cause elevated methemoglobin levels particularly in conjunction with methemoglobin-inducing agents [see Drug Interactions ( 7.4 )]. Hemolysis Oral dapsone treatment has produced dose-related hemolysis and hemolytic anemia. Individuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency are more prone to hemolysis with the use of certain drugs.

G6PD deficiency is most prevalent in populations of African, South Asian, Middle Eastern, and Mediterranean ancestry. In clinical trials, there was no evidence of clinically relevant hemolysis or hemolytic anemia in subjects treated with topical dapsone. Some subjects with G6PD deficiency using dapsone gel, 5 %, twice daily developed laboratory changes suggestive of hemolysis [see Use in Specific Populations ( 8.6 )].

Discontinue ACZONE Gel, 7.5%, if signs and symptoms suggestive of hemolytic anemia occur. Avoid use of ACZONE Gel, 7.5% in patients who are taking oral dapsone or antimalarial medications because of the potential for hemolytic reactions. Combination of ACZONE Gel, 7.5%, with trimethoprim/sulfamethoxazole (TMP/SMX) may increase the likelihood of hemolysis in patients with G6PD deficiency [see Drug Interactions ( 7.1 )] .

5.2Peripheral Neuropathy Peripheral neuropathy (motor loss and muscle weakness) has been reported with oral dapsone treatment. No events of peripheral neuropathy were observed in clinical trials with topical dapsone treatment.

5.3Skin Reactions Skin reactions (toxic epidermal necrolysis, erythema multiforme, morbilliform and scarlatiniform reactions, bullous and exfoliative dermatitis, erythema nodosum, and urticaria) have been reported with oral dapsone treatment. These types of skin reactions were not observed in clinical trials with topical dapsone treatment.

🤒 Adverse Reactions ~1 min read ▾

6 ADVERSE REACTIONS Most common (incidence ≥ 0.9%) adverse reactions are application site dryness and pruritus ( 6.1 ). To report SUSPECTED ADVERSE REACTIONS, contact Almirall at 1-866-665-2782 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .

6.1Clinical Studies 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. A total of 2161 subjects were treated with ACZONE Gel, 7.5%, for 12 weeks in 2 controlled clinical trials. The population ranged in age from 12 to 63 years, was 56% female, and 58% Caucasian.

Adverse drug reactions that were reported in at least 0.9% of subjects treated with ACZONE Gel, 7.5% appear in Table 1 below. Table 1. Adverse Reactions Occurring in at Least 0.9% of Subjects with Acne Vulgaris in 12-week Controlled Clinical Trials ACZONE Gel, 7.5% (N=2161) Vehicle (N=2175) Application Site Dryness 24 (1.1%) 21 (1.0%) Application Site Pruritus 20 (0.9%) 11 (0.5%)

6.2Experience with Oral Use of Dapsone Although not observed in the clinical trials with topical dapsone, serious adverse reactions have been reported with oral use of dapsone, including agranulocytosis, hemolytic anemia, peripheral neuropathy (motor loss and muscle weakness), and skin reactions (toxic epidermal necrolysis, erythema multiforme, morbilliform and scarlatiniform reactions, bullous and exfoliative dermatitis, erythema nodosum, and urticaria).

6.3Postmarketing Experience Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. The following adverse reactions have been identified during post-approval use of topical dapsone: methemoglobinemia, rash (including erythematous rash, application site rash) and swelling of face (including lip swelling, eye swelling).

🔄 Drug Interactions ~1 min read ▾

7 DRUG INTERACTIONS No formal drug-drug interaction studies were conducted with ACZONE Gel, 7.5%. Trimethoprim/sulfamethoxazole (TMP/SMX) increases the systemic level of dapsone and its metabolites ( 7.1 ). Topical benzoyl peroxide used at the same time as ACZONE Gel, 7.5% may result in temporary local yellow or orange skin discoloration ( 7.2 ).

7.1Trimethoprim-Sulfamethoxazole A drug-drug interaction study evaluated the effect of the use of dapsone gel, 5% in combination with double strength (160 mg/800 mg) trimethoprim-sulfamethoxazole (TMP/SMX). During co-administration, systemic levels of TMP and SMX were essentially unchanged, however, levels of dapsone and its metabolites increased in the presence of TMP/SMX. The systemic exposure from ACZONE Gel, 7.5% is expected to be about 1% of that from the 100 mg oral dose, even when co-administered with TMP/SMX.

7.2Topical Benzoyl Peroxide Topical application of dapsone gel followed by benzoyl peroxide in patients with acne vulgaris may result in a temporary local yellow or orange discoloration of the skin and facial hair.

7.3Drug Interactions with Oral Dapsone Certain concomitant medications (such as rifampin, anticonvulsants, St. John’s wort) may increase the formation of dapsone hydroxylamine, a metabolite of dapsone associated with hemolysis. With oral dapsone treatment, folic acid antagonists such as pyrimethamine have been noted to possibly increase the likelihood of hematologic reactions.

7.4Concomitant Use with Drugs that Induce Methemoglobinemia Concomitant use of ACZONE Gel, 7.5% with drugs that induce methemoglobinemia such as sulfonamides, acetaminophen, acetanilide, aniline dyes, benzocaine, chloroquine, dapsone, naphthalene, nitrates and nitrites, nitrofurantoin, nitroglycerin, nitroprusside, pamaquine, para‐aminosalicylic acid, phenacetin, phenobarbital, phenytoin, primaquine, and quinine may increase the risk for developing methemoglobinemia [see Warnings and Precautions ( 5.1 )] .

👥 Use in Specific Populations ~3 min read ▾

8 USE IN SPECIFIC POPULATIONS

8.1Pregnancy Risk Summary There are no available data on ACZONE Gel, 7.5%, use in pregnant women to inform a drug-associated risk for adverse developmental outcomes. The systemic absorption of ACZONE in humans following topical application is low relative to oral dapsone administration [see Clinical Pharmacology ( 12.3 )] . In animal reproduction studies, oral doses of dapsone administered to pregnant rats and rabbits during organogenesis that resulted in systemic exposures more than 400 times the systemic exposure at the maximum recommended human dose (MRHD) of ACZONE Gel, 7.5%, resulted in embryocidal effects.

When orally administered to rats from the onset of organogenesis through the end of lactation at systemic exposures approximately 500 times the exposure at the MRHD, dapsone resulted in increased stillbirths and decreased pup weight [see Data ] . The estimated background risks of major birth defects and miscarriage for the indicated population are unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.

Data Animal Data Dapsone has been shown to have an embryocidal effect in rats and rabbits when administered orally daily to females during organogenesis at dosages of 75 mg/kg/day and 150 mg/kg/day, respectively. These dosages resulted in systemic exposures that represented approximately 1407 times [rats] and 425 times [rabbits] the systemic exposure observed in human females as a result of use of the MRHD of ACZONE Gel, 7.5%, based on AUC comparisons. These effects were probably secondary to maternal toxicity.

Dapsone was assessed for effects on perinatal/postnatal pup development and postnatal maternal behavior and function in a study in which dapsone was orally administered to female rats daily beginning on the seventh day of gestation and continuing until the twenty-seventh day postpartum. Maternal toxicity (decreased body weight and food consumption) and developmental effects (increase in stillborn pups and decreased pup weight) were seen at a dapsone dose of 30 mg/kg/day (approximately 563 times the systemic exposure that is associated with the MRHD of ACZONE Gel, 7.5%, based on AUC comparisons).

No effects were observed on the viability, physical development, behavior, learning ability, or reproductive function of surviving pups.

8.2Lactation Risk Summary There is no information regarding the presence of topical dapsone in breastmilk, the effects on the breastfed infant or the effects on milk production. Orally administered dapsone appears in human milk and could result in hemolytic anemia and hyperbilirubinemia especially in infants with G6PD deficiency. Systemic absorption of dapsone following topical application is low relative to oral dapsone administration.

The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for ACZONE Gel, 7.5% and any potential adverse effects on the breastfed child from ACZONE Gel, 7.5% or from the underlying maternal condition.

8.4Pediatric Use The safety and effectiveness of ACZONE Gel, 7.5% for the topical treatment of acne vulgaris have been established in patients 9 years of age and older. Use of ACZONE Gel, 7.5% in patients 9 to 11 years of age for this indication is supported by evidence from adequate and well-controlled clinical trials in 1066 subjects 12 years of age and older and with additional pharmacokinetic and safety data in pediatric subjects 9 to 11 years of age from an open label study of 100 subjects with acne [see Adverse Reactions ( 6.1 ), and Clinical Pharmacology ( 12.3 )] .

The safety profile for ACZONE Gel, 7.5% in clinical trials was similar to the vehicle control group. Safety and effectiveness of ACZONE Gel, 7.5%, have not been established in pediatric patients below the age of 9 years.

8.5Geriatric Use Clinical trials of ACZONE Gel, 7.5% did no…

🤰 Pregnancy ~2 min read ▾

8.1Pregnancy Risk Summary There are no available data on ACZONE Gel, 7.5%, use in pregnant women to inform a drug-associated risk for adverse developmental outcomes. The systemic absorption of ACZONE in humans following topical application is low relative to oral dapsone administration [see Clinical Pharmacology ( 12.3 )] . In animal reproduction studies, oral doses of dapsone administered to pregnant rats and rabbits during organogenesis that resulted in systemic exposures more than 400 times the systemic exposure at the maximum recommended human dose (MRHD) of ACZONE Gel, 7.5%, resulted in embryocidal effects.

When orally administered to rats from the onset of organogenesis through the end of lactation at systemic exposures approximately 500 times the exposure at the MRHD, dapsone resulted in increased stillbirths and decreased pup weight [see Data ] . The estimated background risks of major birth defects and miscarriage for the indicated population are unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.

Data Animal Data Dapsone has been shown to have an embryocidal effect in rats and rabbits when administered orally daily to females during organogenesis at dosages of 75 mg/kg/day and 150 mg/kg/day, respectively. These dosages resulted in systemic exposures that represented approximately 1407 times [rats] and 425 times [rabbits] the systemic exposure observed in human females as a result of use of the MRHD of ACZONE Gel, 7.5%, based on AUC comparisons. These effects were probably secondary to maternal toxicity.

Dapsone was assessed for effects on perinatal/postnatal pup development and postnatal maternal behavior and function in a study in which dapsone was orally administered to female rats daily beginning on the seventh day of gestation and continuing until the twenty-seventh day postpartum. Maternal toxicity (decreased body weight and food consumption) and developmental effects (increase in stillborn pups and decreased pup weight) were seen at a dapsone dose of 30 mg/kg/day (approximately 563 times the systemic exposure that is associated with the MRHD of ACZONE Gel, 7.5%, based on AUC comparisons).

No effects were observed on the viability, physical development, behavior, learning ability, or reproductive function of surviving pups.

🧒 Pediatric Use 140 words ▾

8.4Pediatric Use The safety and effectiveness of ACZONE Gel, 7.5% for the topical treatment of acne vulgaris have been established in patients 9 years of age and older. Use of ACZONE Gel, 7.5% in patients 9 to 11 years of age for this indication is supported by evidence from adequate and well-controlled clinical trials in 1066 subjects 12 years of age and older and with additional pharmacokinetic and safety data in pediatric subjects 9 to 11 years of age from an open label study of 100 subjects with acne [see Adverse Reactions ( 6.1 ), and Clinical Pharmacology ( 12.3 )] .

The safety profile for ACZONE Gel, 7.5% in clinical trials was similar to the vehicle control group. Safety and effectiveness of ACZONE Gel, 7.5%, have not been established in pediatric patients below the age of 9 years.

🧓 Geriatric Use 30 words ▾

8.5Geriatric Use Clinical trials of ACZONE Gel, 7.5% did not include sufficient numbers of subjects aged 65 years and over to determine whether they respond differently from younger subjects.

🧬 Clinical Pharmacology ~2 min read ▾

12 CLINICAL PHARMACOLOGY

12.1Mechanism of Action The mechanism of action of dapsone gel in treating acne vulgaris is not known.

12.3Pharmacokinetics In a pharmacokinetic study, male and female subjects 16 years of age or older with acne vulgaris (N=19) applied 2 grams of ACZONE Gel, 7.5% to the face, upper chest, upper back and shoulders once daily for 28 days. Steady state for dapsone was reached within 7 days of dosing. On Day 28, the mean dapsone maximum plasma concentration (Cmax) and area under the concentration-time curve from 0 to 24 hours post dose (AUC 0-24h ) were 13.0 ± 6.8 ng/mL and 282 ± 146 ng·h/mL, respectively.

The systemic exposure from ACZONE Gel, 7.5% is expected to be about 1% of that from a 100 mg oral dose. Long-term safety studies were not conducted with ACZONE Gel, 7.5%, however, in a long-term clinical study of dapsone gel, 5% treatment (twice daily), periodic blood samples were collected up to 12 months to determine systemic exposure of dapsone and its metabolites in approximately 500 subjects. Based on the measurable dapsone concentrations from 408 subjects (M=192, F=216), obtained at Month 3, neither gender nor race appeared to affect the pharmacokinetics of dapsone.

Similarly, dapsone exposures were approximately the same between the age groups of 12-15 years (N=155) and those greater than or equal to 16 years (N=253). There was no evidence of increasing systemic exposure to dapsone over the study year in these subjects. In an open label safety and pharmacokinetic study in pediatric subjects 9 to 11 years of age with acne vulgaris, a subset of subjects (N = 16) received once daily topical application of approximately 2 grams of ACZONE Gel, 7.5%, to the entire face, shoulders, upper chest and upper back for 8 days.

On Day 8, the systemic concentrations were at or near steady state and the mean ± SD systemic concentration of dapsone at 10 hours post dose was 20 ± 12.5 ng/mL.

12.4Microbiology In Vivo Activity : No microbiology or immunology studies were conducted during ACZONE Gel, 7.5% clinical studies. Drug Resistance : No dapsone resistance studies were conducted during dapsone gel clinical studies therefore there are no data available as to whether dapsone treatment may have resulted in decreased susceptibility of Propionibacterium acnes , an organism associated with acne, or to other antimicrobials that may be used to treat acne. Therapeutic resistance to dapsone has been reported for Mycobacterium leprae , when patients have been treated with oral dapsone.

🧬 Mechanism of Action 18 words ▾

12.1Mechanism of Action The mechanism of action of dapsone gel in treating acne vulgaris is not known.

📦 How Supplied / Storage and Handling 77 words ▾

16 HOW SUPPLIED/STORAGE AND HANDLING ACZONE Gel is an off-white to yellow gel with suspended particles. It is supplied in an airless pump containing a polypropylene bottle with a high density polyethylene piston. ACZONE (dapsone) Gel, 7.5%, is supplied in the following sizes: NDC 16110-526-30 30 gram pump NDC 16110-526-60 60 gram pump NDC 16110-526-90 90 gram pump Storage : Store at 20°C-25°C (68°F-77°F), excursions permitted to 15°C-30°C (59°F-86°F) [see USP Controlled Room Temperature].

Protect from freezing.

📦 Storage and Handling 19 words ▾

Storage : Store at 20°C-25°C (68°F-77°F), excursions permitted to 15°C-30°C (59°F-86°F) [see USP Controlled Room Temperature]. Protect from freezing.

📋 Description 108 words ▾

11 DESCRIPTION ACZONE (dapsone) Gel, 7.5%, contains dapsone, a sulfone, in an aqueous gel base for topical dermatologic use. ACZONE Gel, 7.5% is an off-white to yellow gel with suspended particles. Chemically, dapsone has an empirical formula of C 12 H 12 N 2 O 2 S.

It is a white or slightly yellow-white, crystalline powder that has a molecular weight of 248.30. Dapsone’s chemical name is 4-[(4-aminobenzene) sulfonyl] aniline and its structural formula is: Each gram of ACZONE Gel, 7.5%, contains 75 mg of dapsone, USP, in a gel of diethylene glycol monoethyl ether, methylparaben, acrylamide/sodium acryloyldimethyl taurate copolymer, isohexadecane, polysorbate 80, and purified water. Chemical Structure

💬 Information for Patients 155 words ▾

17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labeling ( Patient Information ). Hematological Effects Inform patients that methemoglobinemia can occur with topical dapsone treatment. Advise patients to seek immediate medical attention if they develop cyanosis [see Warnings and Precautions ( 5.1 )] .

Inform patients who have G6PD deficiency that hemolytic anemia may occur with topical dapsone treatment. Advise patients to seek medical attention if they develop signs and symptoms suggestive of hemolytic anemia [see Warnings and Precautions ( 5.1 )] . Important Administration Instructions Advise patients to apply ACZONE Gel, 7.5%, once daily to the entire face [see Dosage and Administration ( 2 )] .

ACZONE Gel, 7.5% is for topical use only. Do not apply ACZONE Gel, 7.5% to eyes, mouth, or mucous membranes. Distributed by: Almirall, LLC.

Malvern, PA 19355 Aczone ® is a registered trademark of Almirall, LLC © 2019 Almirall, LLC. All rights reserved. Patented.

Source: FDA Structured Product Labeling, mirrored from DailyMed / openFDA. Prefer the government’s original formatting? View this label on DailyMed ↗
← 16110-0391-05 · Almirall, 16110-0587-24 · Almirall, →
For educational and professional reference only — not medical advice. Pricing reflects published NADAC and CMS ASP (free public data) and may differ from your acquisition cost; always verify before billing or dispensing.