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 as soon as possible if any of the following side effects occur:

More common

Confusion; dizziness; drowsiness; falling; lightheadedness or fainting, especially when standing up; nausea; seeing, hearing, or feeling things that are not there (hallucinations); swelling of legs; twisting, twitching, or other unusual body movements; unusual tiredness or weakness; worsening of parkinsonism

Less common

Abdominal pain; blood in urine; burning, pain, or difficulty in urinating; chest pain; cough; double vision or other eye or vision problems; fast heartbeat; high or low blood pressure; irregular or pounding heartbeat; loss of memory; mental depression; pain; pain in arms or legs; shortness of breath; sore throat; tightness in chest; tingling, numbness, or prickly feelings; trouble in concentrating; troubled breathing; vomiting; wheezing

Rare

Anxiety or nervousness; buzzing or ringing in ears; chills; cough; fever; headache; joint pain; loss of bladder control; muscle cramps, pain, or spasms; nasal congestion; runny nose; sneezing; trouble in swallowing

Symptoms of overdose

Agitation; chest pain; confusion; dizziness or lightheadedness, especially when standing up; drowsiness; grogginess; increase in unusual body movements, especially of the face or mouth; nausea; vomiting

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:

Less common

Abnormal dreams; constipation; decrease in sexual desire or performance; diarrhea; dryness of mouth; flushing; general feeling of discomfort or illness; headache; heartburn or gas; hot flashes; increased sweating; loss of appetite; tremor; weight loss; yawning

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