Category

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

Description Drug

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 using in surgery.

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

Oral
• Ambenonium
  • Tablets - USA
• Neostigmine
  • Tablets - USA and Canada
• Pyridostigmine
  • Syrup - USA
  • Tablets - USA and Canada
  • Extended-release tablets - USA and Canada

Parenteral
• Neostigmine
  • Injection - USA and Canada
• Pyridostigmine
  • Injection - USA and Canada

Brand Names

Some commonly using brand names are:

In the USA

• Mestinon
• Mestinon Timespans
• Mytelase Caplets
• Prostigmin
• Regonol

In Canada

• Mestinon
• Mestinon-SR
• Prostigmin
• Regonol

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