Side Effects

Drug information provided by: 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:

Less common

  1. Blurred vision
  2. confusion
  3. decreased urination
  4. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  5. dry mouth
  6. fast, slow, or irregular heartbeat
  7. muscle cramps or pain
  8. numbness, tingling, pain, or weakness in the hands or feet
  9. rapid breathing
  10. seizures
  11. sunken eyes
  12. sweating
  13. thirst
  14. trembling
  15. unusual tiredness or weakness
  16. weakness and heaviness of the legs
  17. wrinkled skin


  1. Black, tarry stools
  2. bloating
  3. burning, crawling, itching, numbness, prickling, "pins and needles" , or tingling feelings
  4. chest pain
  5. chills
  6. constipation
  7. cough or hoarseness
  8. darkened urine
  9. diarrhea
  10. dizziness or lightheadedness
  11. feeling of constant movement of self or surroundings
  12. fever
  13. headache
  14. indigestion
  15. loss of appetite
  16. lower back or side pain
  17. nausea
  18. painful or difficult urination
  19. pains in the stomach or side, possibly radiating to the back
  20. persistent non-healing sore
  21. pink growth
  22. reddish patch or irritated area
  23. sensation of spinning
  24. shiny bump
  25. sore throat
  26. sores, ulcers, or white spots on the lips or in the mouth
  27. swollen glands
  28. trouble breathing
  29. unusual bleeding or bruising
  30. vomiting
  31. white, yellow or waxy scar-like area
  32. yellow eyes or skin

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. Cough
  2. decreased interest in sexual intercourse
  3. excessive muscle tone
  4. feeling of constant movement of self or surroundings
  5. inability to have or keep an erection
  6. loss in sexual ability, desire, drive, or performance
  7. muscle stiffness
  8. muscle tension or tightness
  9. sensation of spinning
  10. sleepiness or unusual drowsiness


  1. Blistering, peeling, loosening of the skin
  2. diarrhea
  3. hives or welts, itching, skin rash
  4. increased sensitivity of skin to sunlight
  5. joint or muscle pain
  6. pinpoint red or purple spots on the skin
  7. redness of the skin
  8. redness or other discoloration of the skin
  9. red irritated eyes
  10. red skin lesions, often with a purple center
  11. severe sunburn

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.