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:

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. increased erection
  15. nausea
  16. nervousness
  17. pain or discomfort in the arms, jaw, back, or neck
  18. pounding in the ears
  19. slow or fast heartbeat
  20. spontaneous penile erection
  21. sweating
  22. unusual tiredness or weakness
  23. vomiting


  1. Painful or prolonged erection of the penis

Incidence not known

  1. Blindness
  2. blistering, peeling, or loosening of the skin
  3. cough
  4. cracks in the skin
  5. decrease or change in vision
  6. diarrhea
  7. difficulty with speaking
  8. double vision
  9. fast, irregular, pounding, or racing heartbeat or pulse
  10. headache, severe and throbbing
  11. hives or welts, itching, skin rash
  12. inability to move the arms, legs, or facial muscles
  13. inability to speak
  14. joint or muscle pain
  15. loss of heat from the body
  16. numbness or tingling of the face, hands, or feet
  17. red skin lesions, often with a purple center
  18. red, irritated eyes
  19. red, swollen skin
  20. redness of the skin
  21. redness or soreness of the eyes
  22. scaly skin
  23. slow speech
  24. sores, ulcers, or white spots in the mouth or on the lips
  25. stomach pain
  26. sudden cardiac death
  27. 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. Belching
  2. heartburn
  3. indigestion
  4. 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. lack or loss of strength
  18. loose stools
  19. muscle aching or cramping
  20. muscle stiffness
  21. nasal congestion
  22. neck pain
  23. pain
  24. pain in the arms or legs
  25. pain or burning in the throat
  26. redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid
  27. reduced sensitivity to touch
  28. runny nose
  29. sensation of spinning
  30. sleepiness or unusual drowsiness
  31. stomach upset
  32. swelling of the eyelids
  33. swelling or puffiness of the eyes or face
  34. swollen joints
  35. tearing
  36. tender, swollen glands in the neck
  37. tenderness in the stomach area
  38. trouble with sleeping
  39. upper abdominal or stomach pain
  40. voice changes
  41. 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.