Amantadine (Systemic)

Brand Names : Symmetrel, Endantadine, Gen-Amantadine

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:

Less common

Blurred vision; confusion (especially in elderly patients); difficult urination (especially in elderly patients); fainting; hallucinations (seeing, hearing, or feeling things that are not there); swelling of hands, feet, or lower legs

Rare

Convulsions (seizures); decreased vision or any change in vision; difficulty in coordination; fever, chills, or sore throat; increased blood pressure; increase in body movements; irritation and swelling of the eye; loss of memory; mental depression; severe mood or mental changes; skin rash; slurred speech; thoughts of suicide or attempts at suicide; unexplained shortness of breath

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

Agitation, anxiety, or nervousness; difficulty concentrating; dizziness or lightheadedness; headache; irritability; loss of appetite; nausea; purplish red, net-like, blotchy spots on skin; trouble in sleeping or nightmares

Less common or rare

Constipation; decrease in sexual desire; diarrhea; drowsiness; dryness of the mouth, nose, and throat; false sense of well-being; headache; vomiting; unusual tiredness or weakness

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