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. Fast heartbeat

Less common

  1. Chest pain
  2. fever
  3. joint pain
  4. skin rash or hives


  1. Black, tarry stools
  2. blood in the urine or stools
  3. blurred vision or other changes in vision
  4. crusting, dryness, or flaking of the skin
  5. muscle cramps
  6. pinpoint red spots on the skin
  7. scaling, severe redness, soreness, or swelling of the skin
  8. seizures
  9. uncontrolled vocal outbursts or tics (uncontrolled and repeated body movements)
  10. unusual bleeding or bruising

Incidence not known

  1. Agitation
  2. arm, back or jaw pain
  3. bleeding gums
  4. bloody nose
  5. chest discomfort
  6. chest tightness or heaviness
  7. chills
  8. confusion
  9. cough
  10. dark urine
  11. diarrhea
  12. difficulty with speaking
  13. difficulty with swallowing
  14. discouragement
  15. dizziness
  16. double vision
  17. drowsiness
  18. fainting
  19. fast, pounding, or irregular heartbeat or pulse
  20. feeling like surroundings are not real
  21. feeling sad or empty
  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. headache
  26. heavier menstrual periods
  27. inability to move the arms, legs, or facial muscles
  28. inability to speak
  29. irritability
  30. itching skin
  31. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
  32. loss of interest or pleasure
  33. mood swings
  34. muscle pain, stiffness, or spasms
  35. nausea
  36. nervousness
  37. numbness of the hands
  38. overactive reflexes
  39. painful or difficult urination
  40. pale skin
  41. paleness or cold feeling in the fingertips and toes
  42. poor coordination
  43. pounding in the ears
  44. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  45. red, irritated eyes
  46. red, swollen, or scaly skin
  47. redness, soreness, or itching skin
  48. restlessness
  49. right upper quadrant tenderness
  50. seeing, hearing, or feeling things that are not there
  51. severe or sudden headache
  52. shivering
  53. slow speech
  54. slowed growth in children
  55. sore throat
  56. sores, ulcers, or white spots on the lips or in the mouth
  57. stuffy or runny nose
  58. sudden loss of coordination
  59. sudden slurring of speech
  60. sweating
  61. swollen glands
  62. talking or acting with excitement you cannot control
  63. tingling or pain in the fingers or toes when exposed to cold temperatures
  64. trembling or shaking
  65. tremor
  66. trouble concentrating
  67. trouble sleeping
  68. troubled breathing with exertion
  69. twitching, twisting, or uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
  70. unusual behavior
  71. unusual tiredness or weakness
  72. weight loss
  73. yellow skin or eyes

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

Symptoms of overdose

  1. Agitation
  2. anxiety
  3. bigger, dilated, or enlarged pupils of the eyes
  4. confusion as to time, place, or person
  5. dark urine
  6. diarrhea
  7. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  8. dry eyes, mouth, nose, or throat
  9. false or unusual sense of well-being
  10. fast, slow, irregular, pounding, or racing heartbeat or pulse
  11. holding false beliefs that cannot be changed by fact
  12. increased sensitivity of the eyes to light
  13. loss of consciousness
  14. muscle pain, stiffness, or twitching
  15. nervousness
  16. overactive reflexes
  17. pounding in the ears
  18. rapid, shallow breathing
  19. sweating
  20. tremors
  21. unusual excitement, nervousness, or restlessness

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. Loss of appetite
  2. stomach pain

Less common

  1. Anger
  2. fear
  3. irritability
  4. scalp hair loss
  5. vomiting

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.