Side Effects

Drug information provided by: IBM Micromedex

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:

More common

  1. Confusion
  2. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  3. drowsiness
  4. falling
  5. nausea
  6. seeing, hearing, or feeling things that are not there (hallucinations)
  7. sleepiness or unusual drowsiness
  8. swelling of the legs
  9. twisting, twitching, or other unusual body movements
  10. unusual tiredness or weakness
  11. worsening of parkinsonism

Less common

  1. Abdominal or stomach pain
  2. bloating or swelling of the face, arms, hands, lower legs, or feet
  3. blood in the urine
  4. blurred vision
  5. burning, pain, or difficulty in urinating
  6. chest pain
  7. chills
  8. cold sweats
  9. cough
  10. double vision or other eye or vision problems
  11. fainting
  12. fear or nervousness
  13. feeling of constant movement of self or surroundings
  14. high or low blood pressure
  15. irregular or pounding heartbeat
  16. loss of memory
  17. mental depression
  18. pain
  19. pain in the arms or legs
  20. pounding in the ears
  21. rapid weight gain
  22. sensation of spinning
  23. slow or fast heartbeat
  24. sore throat
  25. sweating
  26. tightness in chest
  27. tingling of the hands or feet
  28. tingling, numbness, or prickly feelings
  29. trouble in concentrating
  30. troubled breathing
  31. unusual weight gain or loss
  32. vomiting


  1. Anxiety
  2. buzzing or ringing in the ears
  3. changes in vision
  4. fever
  5. headache
  6. joint pain
  7. loss of bladder control
  8. muscle cramps, pain, or spasms
  9. nasal congestion
  10. runny nose
  11. sneezing
  12. trouble with swallowing
  13. unusual urges

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose

  1. Agitation
  2. grogginess
  3. increase in unusual body movements, especially of the face or mouth
  4. increased coughing
  5. increased sweating
  6. lack or loss of strength
  7. nightmares

Some 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. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

  1. Abnormal dreams
  2. acid or sour stomach
  3. back pain
  4. belching
  5. decrease in sexual desire or performance
  6. difficulty having a bowel movement (stool)
  7. dryness of mouth
  8. flushing
  9. general feeling of discomfort or illness
  10. heartburn or gas
  11. hot flashes
  12. indigestion
  13. loss of appetite
  14. tremor
  15. weight loss
  16. yawning

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

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.