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You are here : 3-RX.com > Drugs & Medications > Detailed Drug Information (USP DI) > Antimyasthenics

Antimyasthenics (Systemic)

Description and Brand Names | Before Using | Proper Use | Side Effects

Category
  • Antidote, to nondepolarizing neuromuscular block - Neostigmine; Pyridostigmine
  • Antimyasthenic - Ambenonium; Neostigmine; Pyridostigmine
  • Cholinergic, cholinesterase inhibitor - Ambenonium; Neostigmine; Pyridostigmine
  • Diagnostic aid, myasthenia gravis - Neostigmine
Description

Antimyasthenics are given by mouth or by injection to treat myasthenia gravis. Neostigmine may also be given by injection as a test for myasthenia gravis. Sometimes neostigmine is given by injection to prevent or treat certain urinary tract or intestinal disorders. In addition, neostigmine or pyridostigmine may be given by injection as an antidote to certain types of muscle relaxants used in surgery.

These medicines are available only with your doctor's prescription in the following dosage forms:

    Oral
  • Ambenonium
    • Tablets (U.S.)
  • Neostigmine
    • Tablets (U.S. and Canada)
  • Pyridostigmine
    • Syrup (U.S.)
    • Tablets (U.S. and Canada)
    • Extended-release tablets (U.S. and Canada)
    Parenteral
  • Neostigmine
    • Injection (U.S. and Canada)
  • Pyridostigmine
    • Injection (U.S. and Canada)

Brand Names

Some commonly used brand names are:

In the U.S. -

  • Mestinon 3
  • Mestinon Timespans 3
  • Mytelase Caplets 1
  • Prostigmin 2
  • Regonol 3

In Canada -

  • Mestinon 3
  • Mestinon-SR 3
  • Prostigmin 2
  • Regonol 3

Note:

For quick reference, the following antimyasthenics are numbered to match the corresponding brand names.

This information applies to the following medicines:
1. Ambenonium (am-be-NOE-nee-um)†
2. Neostigmine (nee-oh-STIG-meen)‡
3. Pyridostigmine (peer-id-oh-STIG-meen)
† Not commercially available in Canada
‡ Generic name product may be available in the U.S.

   

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Antimyasthenics: Before Using



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