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:


  1. Black, tarry stools
  2. blistering, peeling, or loosening of the skin
  3. chest pain
  4. chills
  5. cough
  6. diarrhea
  7. fast, pounding, or irregular heartbeat or pulse
  8. fever
  9. itching
  10. joint or muscle pain
  11. painful or difficult urination
  12. red, irritated eyes
  13. red skin lesions, often with a purple center
  14. shakiness in the legs, arms, hands, or feet
  15. sore throat
  16. sores, ulcers, or white spots on the lips or in the mouth
  17. swelling or puffiness of the face
  18. swollen glands
  19. trembling or shaking of the hands or feet
  20. trouble breathing
  21. unusual bleeding or bruising
  22. unusual tiredness or weakness

Incidence not known

  1. Blistering, crusting, irritation, itching, or reddening of the skin
  2. blue-green to black skin discoloration
  3. bluish lips or skin
  4. blurred vision
  5. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  6. cold, clammy skin
  7. confusion
  8. cough
  9. cracked, dry, or scaly skin
  10. decrease in the frequency of urination
  11. decrease in urine volume
  12. depression
  13. difficult or troubled breathing
  14. difficulty in passing urine (dribbling)
  15. dizziness
  16. fainting
  17. fast or slow heartbeat
  18. fast, weak pulse
  19. flushed skin
  20. hardening or thickening of the skin
  21. headache
  22. increased sweating
  23. irregular, fast, slow, or shallow breathing
  24. lightheadedness
  25. nervousness
  26. pain, redness, or sloughing of the skin at the injection site
  27. pale or blue lips, fingernails, or skin
  28. pounding in the ears
  29. rapid breathing
  30. small lumps under the skin at the injection site
  31. stinging at the injection site
  32. sweating
  33. swelling of the lower legs or arms
  34. tightness in the chest
  35. very slow breathing
  36. 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:

More common

  1. False or unusual sense of well-being
  2. nausea
  3. vomiting


  1. Change in taste
  2. confusion about identity, place, and time
  3. constricted, pinpoint, or small pupils (black part of the eye)
  4. double vision
  5. seeing double seeing, hearing, or feeling things that are not there
  6. stomach cramps
  7. trouble sleeping
  8. uncontrolled eye movements

Incidence not known

  1. Continuing ringing or buzzing or other unexplained noise in the ears
  2. difficulty having a bowel movement (stool)
  3. difficulty in focusing the eyes
  4. disturbed dreams
  5. drowsiness
  6. dry mouth
  7. excitement
  8. hearing loss
  9. irritability
  10. relaxed and calm
  11. sleepiness
  12. trouble sleeping
  13. weakness

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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