Side Effects

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

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

Symptoms of overdose

  1. Agitation
  2. chest pain
  3. chills
  4. cold sweats
  5. confusion
  6. dizziness, faintness, or lightheadedness when getting up suddenly from lying or sitting position
  7. fast, irregular, pounding, or racing heartbeat or pulse
  8. grogginess
  9. increase in unusual body movements, especially of the face or mouth
  10. increased coughing
  11. increased sweating
  12. lack or loss of strength
  13. nightmares
  14. sleepiness or unusual drowsiness
  15. twitching, twisting, uncontrolled repetitive movements of tongue, lips, face, arms, or legs
  16. vomiting

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.

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