Side Effects

Información sobre medicamentos proporcionada por: 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:

More common

  1. Black, tarry stools
  2. blood in the urine or stools
  3. chills
  4. cough
  5. fever
  6. hoarseness
  7. lower back or side pain
  8. painful or difficult urination
  9. pale skin
  10. pinpoint red spots on the skin
  11. sore throat
  12. ulcers, sores, or white spots in the mouth
  13. unusual bleeding or bruising
  14. unusual tiredness or weakness

Less common

  1. Blackening of the fingernails and toenails
  2. troubled breathing with exertion


  1. Confusion
  2. dizziness
  3. headache
  4. joint pain
  5. seeing, hearing, or feeling things that are not there
  6. seizures
  7. swelling of the feet or lower legs

Incidence not known

  1. Bleeding under the skin
  2. blisters on the skin
  3. bluish or pale color on the skin of the fingers or toes
  4. coldness of the fingers or toes
  5. crater-like lesions on the skin
  6. drowsiness
  7. fast heartbeat
  8. hives, itching, skin rash
  9. irritation
  10. itching, pain, redness, or swelling on the leg
  11. joint stiffness or swelling
  12. loss of appetite
  13. muscle spasms (tetany) or twitching seizures
  14. nausea
  15. numbness or tingling of the fingers or toes
  16. pain in the fingers or toes
  17. sore on the leg
  18. swelling of the eyelids, face, lips, hands, or feet
  19. tightness in the chest
  20. trembling
  21. troubled breathing or swallowing
  22. vomiting
  23. weight loss

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. Diarrhea

Less common

  1. Constipation
  2. redness of skin at the place of radiation
  3. weight gain

Incidence not known

  1. Absent, missed, or irregular menstrual periods
  2. bluish-brownish bands on the nails
  3. hair loss or thinning of hair
  4. indigestion
  5. passing of gas
  6. stomach pain, fullness, or discomfort
  7. stopping of menstrual bleeding

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.