Side Effects

Drug information provided by: 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. When this medicine is used for short periods of time, side effects usually are rare. However, when it is used for a long time and/or in high doses, side effects are more likely to occur and may be serious.

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:


  1. Black, tarry stools
  2. bleeding gums
  3. blistering, peeling, or loosening of the skin
  4. blood in the urine or stools
  5. blurred vision
  6. chest pain
  7. chills
  8. confusion
  9. cough
  10. diarrhea
  11. difficulty with swallowing
  12. dizziness
  13. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  14. fast heartbeat
  15. fever
  16. headache
  17. joint or muscle pain
  18. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  19. lower back or side pain
  20. painful or difficult urination
  21. pale skin
  22. pinpoint red spots on the skin
  23. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  24. red skin lesions, often with a purple center
  25. red, irritated eyes
  26. skin rash, hives, or itching
  27. sore throat
  28. sores, ulcers, or white spots on the lips or in the mouth
  29. sweating
  30. swollen or painful glands
  31. tightness in the chest
  32. unusual bleeding or bruising
  33. unusual tiredness or weakness

Incidence not known

  1. Blurred vision or any other change in vision
  2. change in near or distance vision
  3. continuing ringing or buzzing or other unexplained noise in the ears
  4. dark urine
  5. difficulty in focusing the eyes
  6. difficulty with speaking
  7. disturbed color perception
  8. double vision
  9. drooling
  10. general tiredness and weakness
  11. halos around lights
  12. hearing loss
  13. inability to move the eyes
  14. increased blinking or spasms of the eyelid
  15. light-colored stools
  16. loss of balance control
  17. muscle trembling, jerking, or stiffness
  18. muscular pain, tenderness, wasting, or weakness
  19. nausea and vomiting
  20. night blindness
  21. overbright appearance of lights
  22. restlessness
  23. shuffling walk
  24. sticking out of the tongue
  25. stiffness of the limbs
  26. trouble breathing
  27. tunnel vision
  28. twitching, twisting, or uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
  29. uncontrolled movements, especially of the face, neck, and back
  30. upper right abdominal or stomach pain
  31. yellow eyes and skin

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

Symptoms of overdose

  1. Chest discomfort
  2. cold clammy skin
  3. decreased urine
  4. drowsiness
  5. dry mouth
  6. fainting
  7. fast, slow, or irregular heartbeat
  8. fast, weak pulse
  9. increased thirst
  10. lightheadedness, dizziness or fainting
  11. loss of appetite
  12. muscle pain or cramps
  13. numbness or tingling in the hands, feet, or lips
  14. sweating

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. Change in hair color
  2. hair loss
  3. increased sensitivity of the skin to sunlight
  4. redness or other discoloration of the skin
  5. severe sunburn

Incidence not known

  1. Abdominal or stomach cramps
  2. weight loss

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.