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:

Incidence not known

  1. Anxiety
  2. black, tarry stools
  3. bleeding gums
  4. blindness
  5. blistering, peeling, loosening of the skin
  6. blood in the urine or stools
  7. blurred vision or other vision changes
  8. change in how colors look
  9. chest discomfort, pain, or tightness
  10. chills
  11. cold sweats
  12. confusion
  13. cough or hoarseness
  14. dark urine
  15. decreased urination
  16. defective color vision
  17. diarrhea
  18. difficulty seeing at night
  19. dilated neck veins
  20. dizziness or fainting
  21. fast, pounding, uneven heartbeat
  22. feeling that others are watching you or controlling your behavior
  23. feeling that others can hear your thoughts
  24. feeling, seeing, or hearing things that are not there
  25. fever
  26. headache
  27. inability to move the eyes
  28. increased blinking or spasms of the eyelid
  29. increased hunger
  30. joint or muscle pain
  31. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, and sex organs
  32. loss of hearing
  33. lower back or side pain
  34. nervousness
  35. nightmares
  36. noisy breathing
  37. painful or difficult urination
  38. pale skin
  39. palpitations
  40. pinpoint red spots on the skin
  41. red irritated eyes
  42. red skin lesions, often with a purple center
  43. seizures
  44. severe mood or mental changes
  45. shakiness
  46. slurred speech
  47. sore throat
  48. sores, ulcers, or white spots on the lips or in the mouth
  49. sticking out of the tongue
  50. stomach pain
  51. swelling of the eye
  52. swelling of the face, fingers, feet, or lower legs
  53. swollen or painful glands
  54. trouble with breathing, speaking, or swallowing
  55. uncontrolled twisting movements of the neck, trunk, arms, or legs
  56. unusual behavior
  57. unusual bleeding or bruising
  58. unusual facial expressions
  59. unusual tiredness or weakness
  60. weight gain
  61. yellow eyes or skin

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

Symptoms of overdose

  1. Drowsiness
  2. dry mouth
  3. increased thirst
  4. loss of appetite
  5. mood changes
  6. no pulse or blood pressure
  7. numbness or tingling in the hands, feet, or lips
  8. unconsciousness

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:

Incidence not known

  1. Continuing ringing or buzzing or other unexplained noise in the ears
  2. darkening of the skin
  3. feeling of constant movement of self or surroundings
  4. hair loss or thinning of the hair
  5. increased sensitivity of the skin to sunlight
  6. irritability
  7. loss of appetite
  8. nausea
  9. redness or other discoloration of the skin
  10. sensation of spinning
  11. severe sunburn
  12. shakiness and unsteady walk
  13. uncontrolled eye movements
  14. unsteadiness, trembling, or other problems with muscle control or coordination
  15. vomiting
  16. weight loss

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: Sept. 01, 2023