Along with its needing effects, a drug 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 family doctor as soon as possible if any of the following side effects was happen
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
More common side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family 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
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.