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:

More common

  1. Burning or stinging in the eye
  2. drainage from the eye
  3. redness, swelling, or itching of the eye and eyelid

Less common

  1. Blurred vision
  2. chest pain or discomfort
  3. confusion
  4. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  5. slow or irregular heartbeat
  6. sweating
  7. unusual tiredness or weakness


  1. Eye pain
  2. headache
  3. hives or welts, itching, or skin rash
  4. redness of the skin
  5. shakiness and unsteady walk
  6. tearing
  7. unsteadiness, trembling, or other problems with muscle control or coordination
  8. unusual drowsiness, dullness, or feeling of sluggishness

Incidence not determined

  1. Blistering, peeling, or loosening of the skin
  2. blue lips, fingernails, or skin
  3. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  4. chills
  5. cough
  6. decreased urine output
  7. diarrhea
  8. difficult or labored breathing
  9. difficulty in chewing, swallowing, or talking
  10. dilated neck veins
  11. disturbed color perception
  12. double vision
  13. drooping eyelids
  14. extreme tiredness or weakness
  15. fast, pounding, or racing heartbeat or pulse
  16. fever
  17. halos around lights
  18. hoarseness
  19. inability to speak
  20. irregular, fast or slow, or shallow breathing
  21. joint pain, stiffness, or swelling
  22. muscle pain or weakness
  23. night blindness
  24. no blood pressure or pulse
  25. noisy breathing
  26. overbright appearance of lights
  27. red skin lesions, often with a purple center
  28. seeing double
  29. seizures
  30. severe numbness, especially on one side of the face or body
  31. severe or sudden headache
  32. slurred speech
  33. sore throat
  34. sores, ulcers, or white spots in the mouth or on the lips
  35. stopping of the heart
  36. swelling of the eyelids, face, lips, hands, fingers, feet, or lower legs
  37. temporary blindness
  38. tightness in the chest
  39. tunnel vision
  40. unconsciousness
  41. weakness in the arm or leg on one side of the body, sudden and severe
  42. weight gain

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 determined

  1. Decreased interest in sexual intercourse
  2. discouragement
  3. feeling of having something in the eye
  4. feeling sad or empty
  5. inability to have or keep an erection
  6. irritability
  7. lack of appetite
  8. lack or loss of strength
  9. loss in sexual ability, desire, drive, or performance
  10. loss of interest or pleasure
  11. nausea
  12. stuffy nose
  13. trouble concentrating
  14. trouble sleeping

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.