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 immediately if any of the following side effects occur:

More common

  1. Difficulty in moving
  2. muscle pain or stiffness
  3. pain in the joints
  4. swollen, painful, or tender lymph glands in the armpit

Less common

  1. Black, tarry stools
  2. bloating or swelling of the face, arms, hands, lower legs, or feet
  3. chest pain
  4. chills
  5. cold sweats
  6. cough
  7. dizziness or lightheadedness
  8. dizziness, faintness, or lightheadedness when getting up from lying or sitting position
  9. eye or eyelid irritation, pain, redness, or swelling
  10. fast, pounding, or irregular heartbeat or pulse
  11. feeling of constant movement of self or surroundings
  12. fever
  13. painful or difficult urination
  14. rapid weight gain
  15. sensation of spinning
  16. shakiness in the legs, arms, hands, or feet
  17. sore throat
  18. sores, ulcers, or white spots on the lips or in the mouth
  19. swollen glands
  20. tingling of the hands or feet
  21. trembling or shaking of the hands or feet
  22. trouble breathing
  23. unusual bleeding or bruising
  24. unusual sleepiness
  25. unusual tiredness or weakness
  26. unusual weight gain or loss


  1. Agitation
  2. back pain
  3. bloody eye
  4. blurred vision
  5. change in consciousness
  6. confusion
  7. decreased awareness or responsiveness
  8. difficulty in standing or walking
  9. hallucinations
  10. headache
  11. irritability
  12. loss of bladder control
  13. loss of bowel control
  14. loss of consciousness
  15. mood or mental changes
  16. redness of the eye
  17. seizures
  18. stiff neck
  19. unusual dullness or feeling of sluggishness
  20. vomiting

Incidence not known

  1. Blistering, peeling, or loosening of the skin
  2. burning, dry, or itching eyes
  3. change in consciousness
  4. confusion about identity, place, and time
  5. dark urine
  6. diarrhea
  7. discharge, excessive tearing
  8. light-colored stools
  9. loss of consciousness
  10. red skin lesion often with a purple center
  11. sensitivity of the eye to light
  12. swelling of the eyelids
  13. tearing
  14. upper right abdominal or stomach pain
  15. yellow eyes and skin

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

Symptoms of overdose

  1. Confusion about identity, place, and time
  2. decreased awareness or responsiveness
  3. severe sleepiness

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:

Less common

  1. Constipation
  2. lack or loss of strength
  3. loss of appetite
  4. stomach pain
  5. swelling or puffiness of the face

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.