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. Bladder pain
  2. bloating
  3. bloody or cloudy urine
  4. decreased frequency or amount of urine
  5. difficult, burning, or painful urination
  6. discharge with a strong odor from the penis
  7. frequent urge to urinate
  8. increased thirst
  9. increased urge to urinate during the night
  10. indigestion
  11. itching of the vagina or outside of the genitals
  12. loss of appetite
  13. lower back or side pain
  14. nausea
  15. pain during sexual intercourse
  16. pain in the skin around the penis
  17. problems in urination or increase in amount of urine
  18. redness, itching, or swelling of the penis
  19. swelling of the face, fingers, or lower legs
  20. thick, white vaginal discharge with mild or no odor
  21. trouble breathing
  22. unusual tiredness or weakness
  23. vomiting
  24. waking to urinate at night
  25. 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. flushing, redness of the skin
  12. headache
  13. hives or welts, itching skin, rash
  14. increased hunger
  15. itching skin
  16. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
  17. nightmares
  18. redness of the skin
  19. seizures
  20. shakiness
  21. slurred speech
  22. unusually warm skin

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. fruit-like breath odor
  6. increased urination
  7. loss of consciousness
  8. numbness or tingling in the hands, feet, or lips
  9. pain, tenderness, redness, or swelling of the area between the anus and genitals
  10. stomach pain
  11. sweating
  12. unexplained weight loss
  13. weakness or heaviness of the legs
  14. 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. Difficulty having a bowel movement
  2. falls
  3. lack or loss of strength
  4. 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.