Pyridostigmine Bromide

Pyridostigmine Bromide

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Side Effects & Adverse Reactions

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Legal Issues

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FDA Safety Alerts

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Manufacturer Warnings

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FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.


Pyridostigmine bromide is indicated for pretreatment against the lethal effects of Soman nerve agent poisoning. Pyridostigmine is intended for use in conjunction with protective garments, including a mask. At the first sign of nerve agent poisoning, pyridostigmine should be stopped, and atropine and pralidoxime therapy started immediately.

The evidence for the effectiveness of pyridostigmine as pretreatment against Soman-induced toxicity was derived from animal studies alone [see Nonclinical Toxicology (13.2)].



There is currently no drug history available for this drug.

Other Information

Pyridostigmine bromide is an orally active, reversible cholinesterase inhibitor. Its chemical name is: 3-hydroxy-1-methylpyridinium bromide dimethylcarbamate.

CAS registration number is 101-26-8.

Pyridostigmine bromide has a molecular formula of C9H13BrN202, a molecular weight of 261.12, and the following molecular structure:

Chemical Structure

Pyridostigmine bromide tablets, USP contain 30 mg pyridostigmine bromide for oral administration. The inactive ingredients included in the tablet formula are: lactose anhydrous, colloidal silicon dioxide, and stearic acid.

Pyridostigmine Bromide Manufacturers

  • Valeant Canada Limited
    Pyridostigmine Bromide Tablet [Valeant Canada Limited]
  • Kaiser Foundation Hospitals
    Pyridostigmine Bromide Tablet [Kaiser Foundation Hospitals]
  • Remedyrepack Inc.
    Pyridostigmine Bromide Tablet [Remedyrepack Inc. ]
  • Remedyrepack Inc.
    Pyridostigmine Bromide Tablet [Remedyrepack Inc. ]
  • Corepharma, Llc
    Pyridostigmine Bromide Tablet [Corepharma, Llc]
  • American Health Packaging
    Pyridostigmine Bromide Tablet [American Health Packaging]
  • Oceanside Pharmaceuticals
    Pyridostigmine Bromide Tablet [Oceanside Pharmaceuticals]
  • Global Pharmaceuticals, Division Of Impax Laboratories Inc.
    Pyridostigmine Bromide Tablet [Global Pharmaceuticals, Division Of Impax Laboratories Inc.]
  • Oceanside Pharmaceuticals
    Pyridostigmine Bromide Tablet, Extended Release [Oceanside Pharmaceuticals]

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