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 or nurse immediately if any of the following side effects occur:

More common

  1. Blurred vision
  2. chest pain or discomfort
  3. confusion
  4. decreased urine output
  5. dilated neck veins
  6. dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
  7. extreme fatigue
  8. irregular breathing
  9. lightheadedness, dizziness, or fainting
  10. shortness of breath
  11. slow or irregular heartbeat
  12. sweating
  13. swelling of face, fingers, feet, or lower legs
  14. tightness in chest
  15. troubled breathing
  16. unusual tiredness or weakness
  17. weight gain
  18. wheezing


  1. Blisters, hives, or itching
  2. fever and chills
  3. general feeling of discomfort or illness
  4. hair loss
  5. headaches
  6. muscle or joint pain
  7. skin rash
  8. sore throat
  9. swollen glands

Incidence not determined

  1. Abdominal pain, usually after eating a meal
  2. abdominal tenderness
  3. black, tarry stools
  4. blood in urine
  5. bloody nose
  6. bloody stools
  7. body aches or pain
  8. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  9. congestion
  10. constipation
  11. cough
  12. decreased awareness or responsiveness
  13. diarrhea
  14. difficult or labored breathing
  15. dryness or soreness of throat
  16. general feeling of tiredness or weakness
  17. heavier menstrual periods
  18. hoarseness
  19. lower back or side pain
  20. mimicry of speech or movements
  21. mutism
  22. nausea
  23. negativism
  24. no blood pressure or pulse
  25. noisy breathing
  26. painful or difficult urination
  27. paleness or cold feeling in fingertips and toes
  28. peculiar postures or movements, mannerisms, or grimacing
  29. pinpoint red or purple spots on skin
  30. rectal bleeding
  31. reddened skin
  32. runny nose
  33. severe sleepiness
  34. sores on the skin
  35. sores, ulcers, or white spots on lips or in mouth
  36. stopping of heart
  37. tender, swollen glands in neck
  38. tingling or pain in fingers or toes when exposed to cold
  39. trouble in swallowing
  40. unconsciousness
  41. unusual bleeding or bruising
  42. voice changes
  43. vomiting

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:


  1. Decreased interest in sexual intercourse
  2. dry eyes
  3. inability to have or keep an erection
  4. loss in sexual ability, desire, drive, or performance
  5. pain of penis on erection
  6. skin irritation or rash, including rash that looks like psoriasis
  7. thinning of hair

Incidence not determined

  1. Confusion about identity, place, and time
  2. crying
  3. depersonalization
  4. disturbed color perception
  5. double vision
  6. dysphoria
  7. euphoria
  8. halos around lights
  9. loss of strength or energy
  10. loss of vision
  11. mental depression
  12. muscle weakness
  13. night blindness
  14. overbright appearance of lights
  15. paranoia
  16. quick to react or overreact emotionally
  17. rapidly changing moods
  18. seeing, hearing, or feeling things that are not there
  19. short-term memory loss
  20. sleeplessness
  21. trouble sleeping
  22. tunnel vision
  23. unable to sleep
  24. unusual drowsiness, dullness, or feeling of sluggishness
  25. vivid dreams

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.