Side Effects

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. Fast or irregular heartbeat
  2. fever

Less common

  1. Abnormal bleeding
  2. bloody or black tarry stools
  3. bruises or red spots on the skin
  4. fainting
  5. nausea, heartburn, or indigestion (severe or continuing)
  6. nosebleeds
  7. stiff neck
  8. stomach pain, cramping, or burning (severe)
  9. swelling of the tongue
  10. vomiting of blood or material that looks like coffee grounds

Incidence not known

  1. Bleeding gums
  2. bleeding tendency
  3. blistering, peeling, loosening of the skin
  4. blood in the urine or stools
  5. blurred vision
  6. chest pain
  7. chills
  8. clay-colored stools
  9. confusion
  10. cough or hoarseness
  11. coughing up blood
  12. dark urine
  13. diarrhea
  14. difficulty with breathing
  15. drowsiness
  16. fever with or without chills
  17. general feeling of tiredness or weakness
  18. headache, sudden and severe
  19. inability to speak
  20. itching of the eyes
  21. itching of the skin
  22. joint or muscle pain
  23. light-colored stools
  24. loss of appetite
  25. loss of consciousness
  26. lower back or side pain
  27. nausea and vomiting
  28. painful or difficult urination
  29. pinpoint red spots on the skin
  30. red skin lesions, often with a purple center
  31. red, irritated eyes
  32. seizures
  33. skin rash
  34. slurred speech
  35. sores, ulcers, or white spots on the lips or in the mouth
  36. stomach pain
  37. swollen glands
  38. temporary blindness
  39. unpleasant breath odor
  40. unusual bleeding or bruising
  41. unusual tiredness or weakness
  42. weakness in the arm or leg on one side of the body, sudden and severe
  43. weakness of part of the body
  44. yellow eyes or skin

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose

  1. Dizziness or lightheadedness when getting up suddenly from a lying or sitting position

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. Back pain
  2. dizziness
  3. gas
  4. headache
  5. increased cough
  6. pain or stiffness in the muscles
  7. pounding heartbeat
  8. runny or stuffy nose
  9. sore throat
  10. swelling of the arms or legs

Less common

  1. Bone pain
  2. burning feeling in the throat or chest
  3. difficulty with swallowing
  4. hives
  5. pain or stiffness in the joints
  6. ringing or buzzing in the ears
  7. swelling of the face, fingers, or lower legs

Incidence not known

  1. Bruising
  2. feeling of warmth
  3. pain
  4. redness of the face, neck, arms and occasionally, upper chest

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.