Antimyasthenics (Systemic)

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Symptoms of overdose

Blurred vision; clumsiness or unsteadiness; confusion; convulsions (seizures); diarrhea (severe); increase in bronchial secretions or watering of mouth (excessive); increasing muscle weakness (especially in the arms, neck, shoulders, and tongue); muscle cramps or twitching; nausea or vomiting (severe); shortness of breath, troubled breathing, wheezing, or tightness in chest; slow heartbeat; slurred speech; stomach cramps or pain (severe); unusual irritability, nervousness, restlessness, or fear; unusual tiredness or weakness

Also, check with your doctor as soon as possible if any of the following side effects occur:

Rare

Redness, swelling, or pain at place of injection (for pyridostigmine injection only); skin rash (does not apply to ambenonium)

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Diarrhea; increased sweating; increased watering of mouth; nausea or vomiting; stomach cramps or pain

Less common

Frequent urge to urinate; increase in bronchial secretions; unusually small pupils; unusual watering of eyes

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.