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:

More common

  1. Bladder pain
  2. bloody or cloudy urine
  3. decreased frequency or amount of urine
  4. difficult, burning, or painful urination
  5. discharge with a strong odor from the penis
  6. frequent urge to urinate
  7. increased thirst
  8. itching of the vagina or outside of the genitals
  9. loss of appetite
  10. lower back or side pain
  11. nausea
  12. pain during sexual intercourse
  13. pain in the skin around the penis
  14. redness, itching, or swelling of the penis
  15. swelling of the face, fingers, or lower legs
  16. troubled breathing
  17. unusual tiredness or weakness
  18. vaginal discharge without odor or with mild odor
  19. vomiting
  20. weight gain

Less common

  1. Anxiety
  2. blurred vision
  3. chills
  4. cold sweats
  5. confusion
  6. cool, pale skin
  7. depression
  8. dizziness
  9. dry mouth
  10. fast or irregular heartbeat
  11. headache
  12. hives or welts, itching skin, rash
  13. increased hunger
  14. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
  15. nightmares
  16. redness of the skin
  17. seizures
  18. shakiness
  19. slurred speech

Incidence not known

  1. Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  2. fever
  3. flushed, dry skin
  4. frequent or painful urination
  5. frequent urge to urinate
  6. fruit-like breath odor
  7. increased urination
  8. loss of consciousness
  9. numbness or tingling in the hands, feet, or lips
  10. pain, tenderness, redness, or swelling of the area between the anus and genitals
  11. stomach pain
  12. sweating
  13. unexplained weight loss
  14. weakness or heaviness of the legs

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. Difficulty having a bowel movement
  2. lack or loss of strength
  3. pain or swelling in the arms or legs without an injury


  1. Increased sensitivity of the skin to sunlight
  2. redness or other discoloration of the skin
  3. 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.