Side Effects

Drug information provided by: 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. Arm, back, or jaw pain
  2. blurred vision
  3. chest pain or discomfort
  4. chest tightness or heaviness
  5. chills
  6. cold sweats
  7. confusion
  8. dizziness
  9. fainting
  10. faintness or lightheadedness when getting up suddenly from a lying or sitting position
  11. fast or irregular heartbeat
  12. headache
  13. hearing loss
  14. nausea
  15. nervousness
  16. pain or discomfort in the arms, jaw, back, or neck
  17. pounding in the ears
  18. shortness of breath
  19. slow or fast heartbeat
  20. sweating
  21. unusual tiredness or weakness
  22. vomiting


  1. Painful or prolonged erection of the penis

Incidence not known

  1. Abdominal or stomach pain
  2. blindness
  3. blistering, peeling, or loosening of the skin
  4. cough
  5. cracks in the skin
  6. decrease or change in vision
  7. diarrhea
  8. difficulty with speaking
  9. double vision
  10. fast, irregular, pounding, or racing heartbeat or pulse
  11. headache, severe and throbbing
  12. hives or welts
  13. inability to move the arms, legs, or facial muscles
  14. inability to speak
  15. itching
  16. joint or muscle pain
  17. loss of heat from the body
  18. numbness or tingling of the face, hands, or feet
  19. red irritated eyes
  20. red skin lesions, often with a purple center
  21. red, swollen skin
  22. redness of the skin
  23. redness or soreness of the eyes
  24. scaly skin
  25. skin rash
  26. slow speech
  27. sores, ulcers, or white spots in the mouth or on the lips
  28. sudden cardiac death
  29. swelling of the feet or lower legs

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. Acid or sour stomach
  2. belching
  3. heartburn
  4. indigestion
  5. stomach discomfort, upset, or pain

Less common

  1. Bloody nose
  2. body aches or pain
  3. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  4. burning, dry, or itching eyes
  5. burning feeling in the chest or stomach
  6. congestion
  7. difficulty with moving
  8. difficulty with swallowing
  9. dry mouth
  10. dryness or soreness of the throat
  11. excessive eye discharge
  12. eye pain
  13. feeling of constant movement of self or surroundings
  14. feeling of warmth, redness of the face, neck, arms and occasionally, upper chest
  15. fever
  16. hoarseness
  17. increased erection
  18. lack or loss of strength
  19. loose stools
  20. muscle aching or cramping
  21. muscle stiffness
  22. nasal congestion
  23. neck pain
  24. pain
  25. pain in the arms or legs
  26. pain or burning in the throat
  27. redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid
  28. reduced sensitivity to touch
  29. runny nose
  30. sensation of spinning
  31. sleepiness or unusual drowsiness
  32. sleeplessness
  33. spontaneous penile erection
  34. stomach upset
  35. swelling of the eyelids
  36. swelling or puffiness of the eyes or face
  37. swollen joints
  38. tearing
  39. tender, swollen glands in the neck
  40. tenderness in the stomach area
  41. trouble with sleeping
  42. unable to sleep
  43. upper abdominal or stomach pain
  44. voice changes
  45. watering of the eyes


  1. Changes in color vision

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.