Home › NDC Lookup › Ingredients › Orphenadrine Citrate › 63187-0632-30
Orphenadrine Citrate 100 mg Tablet, Extended Release, 30-count — NDC 63187-0632-30 package photo
Label image from the product's FDA listing (DailyMed) — may show a different pack size or an older label revision.

Orphenadrine Citrate 100 mg Tablet, Extended Release, 30-count — NDC 63187-632-30 (Billing 63187-0632-30)

by Proficient Rx LP · 30 TABLET, EXTENDED RELEASE in 1 BOTTLE

This is a package of 30 tablets of Orphenadrine Citrate 100 mg Tablet, Extended Release from Proficient Rx LP, marketed since Feb 2000 and currently FDA-listed. It is the main listing for this product, which comes in 3 package sizes.

NDC 63187-0632-30
🏷️ FDA NDC (as labeled) 63187-632-30 billing pads the product segment with a zero
This package
Contains30-count Pack sizes3 compare ↓
Also priced by: Part D plans $0.7752/unit — full pricing hub ↓
Main listing for product 63187-632 · Also comes in: 60 tablets 63187-632-60 90 tablets 63187-632-90
Rx only Generic On market Non-controlled ⇄ Compare with another NDC
🗂️ FDA directory synced Oct 8, 2026 · this listing last changed Oct 8, 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

NDC database record

One package, one record: these facts belong to NDC 63187-632-30 alone.

Record
FDA NDC Directory package listing · Human prescription drug
Code segments
63187 labeler · 632 product · 30 package
Package marketed since
Jan 1, 2016
Sample package
No — commercial package
Listing certified through
Dec 31, 2026
Barcode (UPC-A, from the NDC)
3 6318763230 4
FDA record last changed
Oct 8, 2026

Identity & classification

Regulatory identifiers FDA, NLM and CMS codes for this package

FDA NDC (as labeled) 63187-632-30
Product NDC 63187-632
11-digit billing NDC 63187063230
RxCUI 994521
UNII X0A40N8I4S
Application # ANDA040327
SPL Set ID 37e6a157-5d0d-4887-9a26-ed5521fb08e6
Established class (EPC) Muscle Relaxant
Physiologic effect Centrally-mediated Muscle Relaxation
DEA schedule Non-controlled
Marketing category ANDA
Marketing status On market
FDA listing status Listed (active directory)
Marketing start 2000-02-15
Route ORAL
Dosage form TABLET, EXTENDED RELEASE
Substance ORPHENADRINE CITRATE
TE code (Orange Book) AB · RLD · RS

Drug-database identifiers Medi-Span GPI and First Databank GCN / HICL / AHFS classification

GPI-14 75100080107410
GPI class Orphenadrine Citrate ER
GCN Seq No 004595
GCN 17670
HICL code 001906
Ingredient (HICL) Orphenadrine Citrate
HIC1 code H
Therapeutic class — broad (HIC1) Nervous System (Except Autonomic)
HIC2 code H6
Therapeutic class — intermediate (HIC2) Drugs Acting Principally On The Midbrain
HIC3 code H6H
Therapeutic class — specific (HIC3) Skeletal Muscle Relaxants
AHFS code 12:20.10.00
AHFS class Indirect-Acting Skeletal Muscle Relaxant
FDB label name ORPHENADRINE ER 100 MG TABLET
FDB brand name Orphenadrine Citrate Er
Legend status F — Federal legend — prescription drug or device
Quick answers
  • GSN (GCN sequence number): 004595
  • GCN: 17670
  • GPI-14 (Medi-Span): 75100080107410
  • HICL (First Databank): 001906
  • AHFS class code: 12:20.10.00
  • RxCUI (RxNorm): 994521
Why two NDCs? The FDA registers this code as 63187-632-30 — 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 → 63187-0632-30. 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 Muscle Relaxant class.

Pharmacologic class Muscle Relaxant
Drug family (ATC) Ethers chemically close to antihistamines, Ethers, chemically close to antihistamines
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.

Clinical

Label name ORPHENADRINE ER 100 MG TABLET Ingredient Orphenadrine Citrate
📗 Our plain-language guide HelloPharmacist
  • It's a common assumption, but orphenadrine actually doesn't directly relax tense muscles. Researchers believe its benefit comes from pain-relieving properties — so it helps you fee...
  • What exactly does orphenadrine do — does it just relax my muscles?
  • Take one extended-release tablet in the morning and one in the evening — that's twice a day. Try to stick to the same times each day. If you're unsure whether to take it with food...
  • How should I take the extended-release tablet?
📖 Read our full Orphenadrine guide →

Supplement & herbal interactions

🌿 Drug–supplement interaction checker →
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.

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 · Q2 2026 $0.7752 $23.26 / 30 tablets
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.

Packaging — all sizes for this product

Package NDCDescription Marketing startMarketing endStatus
63187-0632-30 You're viewing this Main listing 30 TABLET, EXTENDED RELEASE in 1 BOTTLE 2016-01-01 — Active
63187-0632-60 63187-632-60 60 TABLET, EXTENDED RELEASE in 1 BOTTLE 2016-01-01 — Active
63187-0632-90 63187-632-90 90 TABLET, EXTENDED RELEASE in 1 BOTTLE 2016-01-01 — Active

You're viewing the smallest of 3 pack sizes for this product.

Pack size FAQ

What quantity is in this package?
This is a 30-count package — 30 tablet, extended release in 1 bottle.
How does this package differ from NDC 63187-0632-60?
Both are Orphenadrine Citrate 100 mg Tablet, Extended Release — the drug itself is identical. This page's package is the 30-count one, while NDC 63187-0632-60 is the 60 tablets package.
What NDC number is used to bill for this package of Orphenadrine Citrate 100 mg Tablet, Extended Release?
Use the 11-digit billing form listed in the identifiers section of this page. Pharmacy and medical claims use the 11-digit form; the FDA label may print a shorter form of the same code.

Therapeutic equivalents

ProductLabelerPackNADAC/unitTEStatusPrice vs. this
Orphenadrine Citrate 100 mg 00185-0022-01 Sandoz 100 tablets $0.454 AB Availability likely —
Orphenadrine Citrate 100 mg 43386-0480-24 Lupin 100 tablets $0.454 AB Availability likely —
Orphenadrine Citrate 100 mg 43063-0407-14 PD-Rx 14 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 49999-0046-14 Lake 14 tablets — AB Discontinued —
Orphenadrine Citrate 100 mg 50090-0169-00 A-S 20 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 60760-0810-30 St. 30 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 63187-0122-20 Proficient 20 tablets — AB FDA listed —
Orphenadrine Citrate 100 mgthis 63187-0632-30 Proficient 30 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 63629-1564-00 Bryant 56 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 66267-0158-20 NuCare 20 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 67296-1077-01 RedPharm 10 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 68788-9138-01 Preferred 100 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 70518-4506-00 REMEDYREPACK 14 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 72162-2020-01 Bryant 100 tablets — AB FDA listed —
Orphenadrine Citrate ER 100 mg 80425-0117-01 Advanced 30 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 80425-0340-01 Advanced 30 tablets — AB FDA listed —
Orphenadrine Citrate 100 mg 82868-0040-14 Northwind 14 tablets — AB FDA listed —
About this product: this is a generic version of the medicine. FDA equivalence ratings are shown when available, and other versions are listed above, least expensive first.
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

🏛️
2000
On the market since
Feb 2000
📍
2026
Currently FDA-listed
26 years listed
🔓
·
Generic on the market
this product is a generic
✅This is a generic drug

This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.

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.

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.

🧪 Avoiding an ingredient? See Orphenadrine inactive ingredients by manufacturer: every current product's list side by side, so you can ask your pharmacy for the version that does not list it.

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

  • UNII 776XM7047L
    Calcium stearate is a white powder derived from stearic acid and calcium. It works as a lubricant and glidant to help the medicine flow smoothly during manufacturing and prevent ingredients from sticking to equipment.
  • UNII 7Z8S9VYZ4B
    Ethylcellulose is a plant-derived thickener and film-former made by chemically modifying cellulose. It's used as a binder to hold tablet ingredients together, a coating to control how quickly medicine is released, or a thickener in liquid formulations.
  • UNII EWQ57Q8I5X
    Lactose monohydrate is a natural sugar derived from milk. It serves as a filler and binder in tablets and capsules, helping create the proper size, texture, and consistency of the medicine.

3 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.

Manufacturer & labeler

LabelerProficient Rx LP
Application holderSANDOZ INC
FDA applicationANDA040327 (ANDA)
Labeler code63187
First marketedFeb 2000
Product typeHuman Prescription Drug
Portfolio1,729 products on file

More NDCs from Proficient Rx LP labeler code 63187

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.

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 ⛔ Contraindications ⚠️ Warnings 🤒 Adverse Reactions 🤰 Pregnancy 🧒 Pediatric Use 🆘 Overdosage 📦 How Supplied / Storage and Handling 📋 Description ⚠️ Precautions 🔒 Drug Abuse and Dependence 📄 Package Label / Principal Display Panel
🎯 Indications and Usage 58 words ▾

INDICATIONS Orphenadrine citrate is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute painful musculo skeletal conditions. The mode of action of the drug has not been clearly identified, but may be related to its analgesic properties. Orphenadrine citrate does not directly relax tense skeletal muscles in man.

⏱️ Dosage and Administration 16 words ▾

DOSAGE AND ADMINISTRATION Adults-Two tablets per day; one in the morning and one in the evening.

⛔ Contraindications 38 words ▾

CONTRAINDICATIONS Contraindicated in patients with glaucoma, pyloric or duodenal obstruction, stenosing peptic ulcers, prostatic hypertrophy or obstruction of the bladder neck, cardio-spasm (megaesophagus) and myasthenia gravis. Contraindicated in patients who have demonstrated a previous hypersensitivity to the drug.

⚠️ Warnings 45 words ▾

WARNINGS Some patients may experience transient episodes of light-headedness, dizziness or syncope. Orphenadrine citrate extended-release tablets may impair the ability of the patient to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle; ambulatory patients should therefore be cautioned accordingly.

🤒 Adverse Reactions 130 words ▾

ADVERSE REACTIONS Adverse reactions of orphenadrine citrate extended-release tablets are mainly due to the mild anti-cholinergic action of orphenadrine citrate extended-release tablets and are usually associated with higher dosage. Dryness of the mouth is usually the first adverse effect to appear. When the daily dose is increased, possible adverse effects include tachycardia, palpitation, urinary hesitancy or retention, blurred vision, dilatation of pupils, increased ocular tension, weakness, nausea, vomiting, headache, dizziness, constipation, drowsiness, hypersensitivity reactions, pruritus, hallucinations, agitation, tremor, gastric irritation and rarely urticaria and other dermatoses.

Infrequently, an elderly patient may experience some degree of mental confusion. These adverse reactions can usually be eliminated by reduction in dosage. Very rare cases of aplastic anemia associated with the use of orphenadrine tablets have been reported.

No causal relationship has been established.

🤰 Pregnancy 56 words ▾

PREGNANCY Pregnancy Category C Animal reproduction studies have not been conducted with orphenadrine citrate extended-release tablets. It is also not known whether orphenadrine citrate extended-release tablets can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Orphenadrine citrate extended-release tablets should be given to a pregnant woman only if clearly needed.

🧒 Pediatric Use 12 words ▾

PEDIATRIC USE Safety and effectiveness in pediatric patients have not been established.

🆘 Overdosage 72 words ▾

OVERDOSAGE Orphenadrine citrate extended-release tablets are toxic when overdosed and typically induces anti-cholinergic effects.[3] In a review of orphenadrine toxicity, the minimum lethal dose was found to be 2 to 3 grams for adults; however, the range of toxicity is variable and unpredictable.[4] Treatment for orphenadrine citrate extended-release tablets overdose is evacuation of stomach contents (when necessary), charcoal at repeated doses, intensive monitoring and appropriate supportive treatment of any emergent anti-cholinergic effects.[5]

📦 How Supplied / Storage and Handling 120 words ▾

HOW SUPPLIED Orphenadrine Citrate Extended-Release Tablets, 100 mg, white, round-shaped tablets debossed “E” over “22” on one side and plain on the other side and supplied as: NDC 63187-632-30 bottles of 30 NDC 63187-632-60 bottles of 60 NDC 63187-632-90 bottles of 90 Store at 20° to 25°C (68° to 77°F)[see USP Controlled Room Temperature]. Dispense in tight, light-resistant containers as defined in the USP, with a child-resistant closure as required. KEEP TIGHTLY CLOSED.

KEEP THIS AND ALL MEDICATION OUT OF THE REACH OF CHILDREN. To report SUSPECTED ADVERSE REACTIONS, contact Sandoz Inc. at 1-800-525-8747 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. Sandoz Inc.

Princeton, NJ 08540 OS8870 Rev. 09/09 MF0022REV09/09 MG #14534 Repackaged by: Proficient Rx LP Thousand Oaks, CA 91320

📋 Description 89 words ▾

DESCRIPTION Orphenadrine citrate is the citrate salt of orphenadrine: (2-dimethyl-aminoethyl 2-methylbenzhydryl ether citrate). It occurs as a white, crystalline powder having a bitter taste. It is practically odorless; sparingly soluble in water, slightly soluble in alcohol and has a molecular weight of 461.51.

The molecular formula C 18 H 23 NO • C 6 H 8 O 7 is represented by the following structural formula: Each orphenadrine citrate extended-release tablet contains 100 mg orphenadrine citrate. Orphenadrine citrate extended-release tablets also contain: calcium stearate, ethylcellulose and lactose monohydrate. Chemical Structure

⚠️ Precautions 97 words ▾

PRECAUTIONS Confusion, anxiety and tremors have been reported in few patients receiving propoxyphene and orphenadrine concomitantly. As these symptoms may be simply due to an additive effect, reduction of dosage and/or discontinuation of one or both agents is recommended in such cases. Orphenadrine citrate extended-release tablets should be used with caution in patients with tachycardia, cardiac decompensation, coronary insufficiency, cardiac arrhythmias.

Safety of continuous long-term therapy with orphenadrine citrate extended-release tablets has not been established. Therefore, if orphenadrine citrate extended-release tablets are prescribed for prolonged use, periodic monitoring of blood, urine and liver function values is recommended.

🔒 Drug Abuse and Dependence 27 words ▾

DRUG ABUSE AND DEPENDENCE Orphenadrine citrate extended-release tablets have been chronically abused for their euphoric effects.[1] The mood elevating effects may occur at therapeutic doses of orphenadrine.[2]

📄 Package Label / Principal Display Panel 24 words ▾

Orphenadrine Citrate Extended-Release Tablets, 100 mg x 100 Tablets - Label NDC 63187-632-30 Orphenadrine Citrate Extended-Release Tablets 100 mg Rx only 30 Tablets 63187-632-30

Source: FDA Structured Product Labeling, mirrored from DailyMed / openFDA. Prefer the government’s original formatting? View this label on DailyMed ↗

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

Medicare Part D (outpatient prescription) spending for Orphenadrine Citrate — the program that covers self-administered drugs. 3 manufacturers.
⚠️ 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 Orphenadrine Citrate. 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
$43.5K
Claims incl. refills
881
Beneficiaries
744
Spend / beneficiary
$58.44
Spend / claim
$49.36
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.

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 — 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 form printed on the packaging and shown on DailyMed is the one the FDA registered. Insurance claims use a fixed 11-digit 5-4-2 format, so the short segment is padded with a leading zero and the dashes are dropped. The Identity section at the top of this page lists each form of this code.
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 Proficient Rx LP. 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 60 tablets (63187-0632-60), 90 tablets (63187-0632-90). 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?
Proficient Rx LP 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.
← 63187-0631-10 · Proficient 63187-0633-30 · Proficient →
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.