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. Clumsiness or unsteadiness
  2. continuous, uncontrolled, back-and-forth, or rolling eye movements

More common in children

  1. Aggressive behavior or other behavior problems
  2. anxiety
  3. concentration problems and change in school performance
  4. crying
  5. depression
  6. false sense of well-being
  7. hyperactivity or increase in body movements
  8. rapidly changing moods
  9. reacting too quickly, too emotional, or overreacting
  10. restlessness
  11. suspiciousness or distrust

Less common

  1. Black, tarry stools
  2. chest pain
  3. chills
  4. cough
  5. depression, irritability, or other mood or mental changes
  6. fever
  7. loss of memory
  8. pain or swelling in the arms or legs
  9. painful or difficult urination
  10. sore throat
  11. sores, ulcers, or white spots on the lips or in the mouth
  12. swollen glands
  13. unusual bleeding or bruising
  14. unusual tiredness or weakness

Incidence not known

  1. Blistering, peeling, or loosening of the skin
  2. clay-colored stools
  3. coma
  4. confusion
  5. dark urine
  6. decreased urine output
  7. diarrhea
  8. difficult or troubled breathing
  9. dizziness
  10. fast or irregular heartbeat
  11. headache
  12. increased thirst
  13. irregular, fast or slow, or shallow breathing
  14. itching or skin rash
  15. joint pain
  16. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  17. loss of appetite
  18. muscle ache or pain
  19. nausea
  20. pale or blue lips, fingernails, or skin
  21. red skin lesions, often with a purple center
  22. red, irritated eyes
  23. seizures
  24. stomach pain
  25. unpleasant breath odor
  26. vomiting of blood
  27. yellow eyes or skin

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. Blurred vision
  2. cold or flu-like symptoms
  3. delusions
  4. dementia
  5. hoarseness
  6. lack or loss of strength
  7. lower back or side pain
  8. swelling of the hands, feet, or lower legs
  9. trembling or shaking

Less common or rare

  1. Accidental injury
  2. appetite increased
  3. back pain
  4. body aches or pain
  5. burning, dry, or itching eyes
  6. change in vision
  7. change in walking and balance
  8. chest tightness
  9. clumsiness or unsteadiness
  10. congestion
  11. constipation
  12. cough producing mucus
  13. decrease in sexual desire or ability
  14. dryness of the mouth or throat
  15. earache
  16. excessive tearing
  17. eye discharge
  18. feeling faint, dizzy, or lightheadedness
  19. feeling of warmth or heat
  20. flushed, dry skin
  21. flushing or redness of the skin, especially on the face and neck
  22. frequent urination
  23. fruit-like breath odor
  24. impaired vision
  25. incoordination
  26. increased hunger
  27. increased sensitivity to pain
  28. increased sensitivity to touch
  29. increased thirst
  30. noise in the ears
  31. pain, redness, rash, swelling, or bleeding where the skin is rubbed off
  32. redness or swelling in the ear
  33. redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid
  34. runny nose
  35. sneezing
  36. sweating
  37. tender, swollen glands in the neck
  38. tingling in the hands and feet
  39. trouble sleeping
  40. trouble swallowing
  41. trouble thinking
  42. twitching
  43. unexplained weight loss
  44. voice changes
  45. vomiting
  46. weakness or loss of strength
  47. weight gain

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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Portions of this document last updated: July 01, 2024

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