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:

Less common

  1. Confusion (mild)
  2. mental depression
  3. unusual excitement (mild)


  1. Bleeding or crusting sores on the lips
  2. chest pain or tightness
  3. fever with or without chills
  4. hive-like swellings on the eyelids, face, lips, or tongue
  5. hives, itching, or skin rash
  6. muscle cramps or pain
  7. red, thickened, or scaly skin
  8. seeing, hearing, or feeling things that are not there
  9. seizures
  10. sore throat
  11. sores, ulcers, or white spots in the mouth
  12. swollen or painful glands
  13. trouble breathing

Incidence not known

  1. Agitation
  2. anxiety
  3. blurred vision
  4. chills
  5. cold sweats
  6. coma
  7. cool, pale skin
  8. cough
  9. darkening of the skin
  10. diarrhea
  11. difficulty with swallowing
  12. dizziness
  13. fainting
  14. fast heartbeat
  15. fever
  16. headache
  17. increased hunger
  18. increased sensitivity to pain
  19. loss of appetite
  20. nausea
  21. nervousness
  22. nightmares
  23. overactive reflexes
  24. poor coordination
  25. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  26. restlessness
  27. shakiness
  28. shivering
  29. slurred speech
  30. talking or acting with excitement you cannot control
  31. trembling or shaking
  32. twitching
  33. unusual tiredness or weakness
  34. vomiting
  35. worsening of pain

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

Symptoms of overdose

  1. Anxiety (severe)
  2. cold and clammy skin
  3. confusion (severe)
  4. dizziness, lightheadedness, drowsiness, or weakness (severe)
  5. excitement (severe)
  6. increased sleepiness in babies (more than usual)
  7. increased sweating
  8. irritability (severe)
  9. limpness (in babies)
  10. nausea
  11. restlessness (severe)
  12. slow, fast, or irregular heartbeat
  13. slurred speech
  14. stomach cramps or pain
  15. swelling, pain, or tenderness in the upper abdomen or stomach area
  16. trembling or shaking of the hands or feet
  17. trouble sleeping (severe)
  18. unusually slow breathing
  19. 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:

More common

  1. Bloated or "gassy" feeling
  2. drowsiness (mild)

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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