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pyridostigmine bromide 60 mg Tablet, 30-count — NDC 51407-0590-30 package photo
Label image from the product's FDA listing (DailyMed) — may show a different pack size or an older label revision.

pyridostigmine bromide 60 mg Tablet, 30-count — NDC 51407-590-30 (Billing 51407-0590-30)

by Golden State Medical Supply, Inc. · 30 TABLET in 1 BOTTLE

This is a package of 30 tablets of pyridostigmine bromide 60 mg Tablet from Golden State Medical Supply, Inc., marketed since Jun 2015 and currently FDA-listed. It is this product's only package size.

NDC 51407-0590-30
🏷️ FDA NDC (as labeled) 51407-590-30 billing pads the product segment with a zero
Rx only Generic On market Non-controlled ⇄ Compare with another NDC
🗂️ FDA directory synced Oct 1, 2026 · this listing last changed 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

Identity & classification

Regulatory identifiers FDA, NLM and CMS codes for this package

FDA NDC (as labeled) 51407-590-30
Product NDC 51407-590
11-digit billing NDC 51407059030
NCPDP billing unit EA — each (per item)
RxCUI 903857
UNII KVI301NA53
Application # ANDA205650
SPL Set ID 235c6c04-3c09-0cf8-e063-6394a90a1846
Established class (EPC) Cholinesterase Inhibitor
Mechanism of action Cholinesterase Inhibitors
DEA schedule Non-controlled
Marketing category ANDA
Marketing status On market
FDA listing status Listed (active directory)
Marketing start 2015-06-22
Route ORAL
Dosage form TABLET
Substance PYRIDOSTIGMINE BROMIDE
TE code (Orange Book) AB · RLD · RS

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

GCN Seq No 004764
GCN 18530
HICL code 001990
Ingredient (HICL) Pyridostigmine Bromide
HIC1 code J
Therapeutic class — broad (HIC1) Autonomic Nervous System
HIC2 code J1
Therapeutic class — intermediate (HIC2) Cholinergics
HIC3 code J1B
Therapeutic class — specific (HIC3) Cholinesterase Inhibitors
AHFS code 12:04.00.00
AHFS class Parasympathomimetic (Cholinergic Agents)
FDB label name PYRIDOSTIGMINE BR 60 MG TABLET
FDB brand name Pyridostigmine Bromide
Legend status F — Federal legend — prescription drug or device
Quick answers
  • GSN (GCN sequence number): 004764
  • GCN: 18530
  • HICL (First Databank): 001990
  • AHFS class code: 12:04.00.00
  • RxCUI (RxNorm): 903857
Why two NDCs? The FDA registers this code as 51407-590-30 — 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 → 51407-0590-30. 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 Cholinesterase Inhibitor class.

Pharmacologic class Cholinesterase Inhibitor
Drug family (ATC) Anticholinesterases
How it works Cholinesterase Inhibitors
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 PYRIDOSTIGMINE BR 60 MG TABLET Ingredient Pyridostigmine Bromide
📖 What it is MedlinePlus · NLM

Pyridostigmine is used to treat myasthenia gravis. Pyridostigmine is in a class called cholinergic agents. It works by increasing the amount of certain natural substances in the body to improve nerve and muscle activity.

Read the full MedlinePlus article ↗
📗 Our plain-language guide HelloPharmacist
  • It depends on the product. Mestinon and the oral solution treat myasthenia gravis. Regonol is a hospital injection that reverses muscle relaxants. Other tablets are for military us...
  • Take it exactly as prescribed. Oral products are swallowed, and doses are adjusted to your needs and spaced through the day. The military extended-release tablet must be taken with...
  • Stomach upset is most common, including diarrhea, cramps and nausea. Some people notice twitching, sweating or drooling. These come from extra acetylcholine activity, so tell your...
  • Get help right away for trouble breathing, severe dizziness, fainting, or growing muscle weakness. These can be signs of a serious reaction or too much medicine.
📖 Read our full Pyridostigmine guide →
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 $0.3682 $11.05 / 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
51407-0590-30 You're viewing this Main listing 30 TABLET in 1 BOTTLE 2024-09-25 — Active

Therapeutic equivalents

ProductLabelerPackNADAC/unitTEStatusPrice vs. this
Pyridostigmine Bromide 60 mg 68682-0302-10 Oceanside 100 tablets $0.197 AB Discontinued —
Pyridostigmine Bromide 60 mg 00115-3511-01 Amneal 100 tablets $0.249 AB Availability likely —
pyridostigmine bromide 60 mg 00904-6622-61 Major 100 tablets $0.249 AB Availability likely —
Pyridostigmine Bromide 60 mg 62559-0470-01 ANI 100 tablets $0.249 — Availability likely —
Pyridostigmine Bromide 60 mg 68084-0494-01 American 100 tablets $0.249 AB Availability likely —
Mestinon 60 mg 00187-3010-30 Bausch 100 tablets — AB FDA listed —
pyridostigmine bromide 60 mgthis 51407-0590-30 Golden 30 tablets — AB FDA listed —
Pyridostigmine Bromide 60 mg 58657-0811-01 Method 100 tablets — AB FDA listed —
pyridostigmine bromide 60 mg 65841-0819-01 Zydus 100 tablets — AB FDA listed —
pyridostigmine bromide 60 mg 68382-0659-01 Zydus 100 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

🏛️
2015
On the market since
Jun 2015
📍
2026
Currently FDA-listed
11 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.

What it looks like

Color white
ShapeRound
Imprint659
Size1 mm
ScoringScored — splits in 4
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.

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

  • UNII 3SY5LH9PMK
    Anhydrous lactose is a milk sugar with no water content. It acts as a filler and binder in tablets and capsules, adding bulk and helping ingredients stick together.
  • UNII 2165RE0K14
    A plant-based thickener made from cellulose that helps control how quickly the medicine dissolves and releases its active ingredient. It also binds ingredients together and improves the tablet's texture and handling during manufacturing.
  • UNII ETJ7Z6XBU4
    Silicon dioxide is a naturally occurring mineral used as a glidant and anti-caking agent. It helps powder ingredients flow smoothly and prevents clumping during manufacturing and storage.
  • UNII 4ELV7Z65AP
    Stearic acid is a fatty acid derived from plant or animal sources. It acts as a binder and lubricant in tablets and capsules, helping them hold together and flow smoothly during manufacturing.

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.

Manufacturer & labeler

LabelerGolden State Medical Supply, Inc.
Application holderZYDUS PHARMACEUTICALS USA INC
FDA applicationANDA205650 (ANDA)
Labeler code51407
First marketedJun 2015
Product typeHuman Prescription Drug
Portfolio671 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.

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 🧬 Clinical Pharmacology 📦 How Supplied / Storage and Handling 📋 Description
🎯 Indications and Usage 15 words ▾

INDICATIONS AND USAGE Pyridostigmine bromide tablets, USP are useful in the treatment of myasthenia gravis.

⏱️ Dosage and Administration 110 words ▾

DOSAGE AND ADMINISTRATION Pyridostigmine bromide tablets, USP is available as Conventional Tablets - each containing 60 mg pyridostigmine bromide. Dosage: The size and frequency of the dosage must be adjusted to the needs of the individual patient. Conventional Tablets - The average dose is ten 60 mg tablets, spaced to provide maximum relief when maximum strength is needed.

In severe cases as many as 25 tablets a day may be required, while in mild cases one to six tablets a day may suffice. Note: For information on a diagnostic test for myasthenia gravis, and for the evaluation and stabilization of therapy, please see product literature on Tensilon ®# (edrophonium chloride).

⛔ Contraindications 43 words ▾

CONTRAINDICATIONS Pyridostigmine bromide tablets, USP are contraindicated in mechanical intestinal or urinary obstruction, and particular caution should be used in its administration to patients with bronchial asthma. Care should be observed in the use of atropine for counteracting side effects, as discussed below.

⚠️ Warnings ~1 min read ▾

WARNINGS Although failure of patients to show clinical improvement may reflect underdosage, it can also be indicative of overdosage. As is true of all cholinergic drugs, overdosage of pyridostigmine bromide may result in cholinergic crisis, a state characterized by increasing muscle weakness which, through involvement of the muscles of respiration, may lead to death. Myasthenic crisis due to an increase in the severity of the disease is also accompanied by extreme muscle weakness, and thus may be difficult to distinguish from cholinergic crisis on a symptomatic basis.

Such differentiation is extremely important, since increases in doses of pyridostigmine bromide or other drugs of this class in the presence of cholinergic crisis or of a refractory or "insensitive" state could have grave consequences. Osserman and Genkins 1 indicate that the differential diagnosis of the two types of crisis may require the use of Tensilon ®# (edrophonium chloride) as well as clinical judgment. The treatment of the two conditions obviously differs radically.

Whereas the presence of myasthenic crisis suggests the need for more intensive anticholinesterase therapy, the diagnosis of cholinergic crisis, according to Osserman and Genkins, 1 calls for the prompt withdrawal of all drugs of this type. The immediate use of atropine in cholinergic crisis is also recommended. Atropine may also be used to abolish or obtund gastrointestinal side effects or other muscarinic reactions; but such use, by masking signs of overdosage, can lead to inadvertent induction of cholinergic crisis.

For detailed information on the management of patients with myasthenia gravis, the physician is referred to one of the excellent reviews such as those by Osserman and Genkins, 2 Grob 3 or Schwab. 4 , 5 Usage in Pregnancy: The safety of pyridostigmine bromide during pregnancy or lactation in humans has not been established. Therefore, use of pyridostigmine bromide in women who may become pregnant requires weighing the drug's potential benefits against its possible hazards to mother and child.

🤒 Adverse Reactions 108 words ▾

ADVERSE REACTIONS The side effects of pyridostigmine bromide are most commonly related to overdosage and generally are of two varieties, muscarinic and nicotinic. Among those in the former group are nausea, vomiting, diarrhea, abdominal cramps, increased peristalsis, increased salivation, increased bronchial secretions, miosis and diaphoresis. Nicotinic side effects are comprised chiefly of muscle cramps, fasciculation and weakness.

Muscarinic side effects can usually be counteracted by atropine, but for reasons shown in the preceding section the expedient is not without danger. As with any compound containing the bromide radical, a skin rash may be seen in an occasional patient. Such reactions usually subside promptly upon discontinuance of the medication.

🧬 Clinical Pharmacology 57 words ▾

CLINICAL PHARMACOLOGY Pyridostigmine bromide inhibits the destruction of acetylcholine by cholinesterase and thereby permits freer transmission of nerve impulses across the neuromuscular junction. Pyridostigmine is an analog of neostigmine (Prostigmin ®# ), but differs from it in certain clinically significant respects; for example, pyridostigmine is characterized by a longer duration of action and fewer gastrointestinal side effects.

📦 How Supplied / Storage and Handling 88 words ▾

HOW SUPPLIED Pyridostigmine Bromide Tablets USP, 60 mg having functional scoring. Pyridostigmine Bromide Tablets USP, 60 mg are white to off-white, round, flat, uncoated tablets with quadrisect breakline on one side and debossed with '659' on the other side and are supplied as follows: NDC 51407-590-30 in bottles of 30 tablets with child-resistant closure Storage Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature] . Dispense in original container.

IMPORTANT: These tablets are hygroscopic. Keep in a dry place with the silica gel enclosed.

📋 Description 91 words ▾

DESCRIPTION Pyridostigmine bromide tablets, USP are an orally active cholinesterase inhibitor. Chemically, pyridostigmine bromide is 3-hydroxy-1-methylpyridinium bromide dimethylcarbamate. Its structural formula is: Pyridostigmine bromide, USP is a white or almost white crystalline, deliquescent powder.

It is very soluble in water and in alcohol, slightly soluble in hexane, practically insoluble in ether. Each pyridostigmine bromide tablet, USP intended for oral administration contains 60 mg of pyridostigmine bromide, USP. In addition, each tablet contains the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, low substituted hydroxypropyl cellulose, silicon dioxide and stearic acid. figure

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 Pyridostigmine Bromide — the program that covers self-administered drugs. 9 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 Pyridostigmine Bromide. 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
$5.53M
Claims incl. refills
71.4K
Beneficiaries
45.1K
Spend / beneficiary
$122.42
Spend / claim
$77.39
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 Golden State Medical Supply, Inc.. Listing status can change — the directory data on this page refreshes weekly.
Who lists this product with the FDA?
Golden State Medical Supply, Inc. 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.
← 51407-0589-30 · Golden 51407-0591-01 · Golden →
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.