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

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