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:

Less common

  1. Decreased interest in sexual intercourse
  2. delayed or inability to have an orgasm
  3. inability to have or keep an erection
  4. loss in sexual ability, desire, drive, or performance
  5. not able to have an orgasm


  1. Coma
  2. confusion
  3. decreased urine output
  4. dizziness
  5. fast or irregular heartbeat
  6. headache
  7. increased thirst
  8. muscle pain or cramps
  9. nausea or vomiting
  10. seizures
  11. swelling of the face, ankles, or hands
  12. trouble breathing
  13. unusual tiredness or weakness

Incidence not known

  1. Bigger, dilated, or enlarged pupils (black part of the eye)
  2. black, tarry stools
  3. bloating
  4. blood in the urine
  5. bloody nose
  6. burning while urinating
  7. changes in skin color
  8. chest pain, discomfort, or tightness
  9. chills
  10. constipation
  11. cough
  12. dark-colored urine
  13. eye pain and blurred vision
  14. fainting
  15. fever
  16. heavier menstrual periods
  17. hives, itching, skin rash
  18. increased sensitivity of the eyes to light
  19. indigestion
  20. irregular or slow heart rate
  21. pain, redness, or swelling in the arm or leg
  22. pain or discomfort in the arms, jaw, back or neck
  23. pains in the stomach, side, or abdomen, possibly radiating to the back
  24. painful or difficult urination
  25. palpitations
  26. puffiness or swelling of the eyelids or around the eyes, face, lips
  27. sore throat
  28. sores, ulcers, or white spots on the lips or in the mouth
  29. stomach pain, continuing
  30. sweating
  31. swelling of the breasts or unusual milk production
  32. swelling of the foot or leg
  33. swollen or painful glands
  34. unusual bleeding or bruising
  35. vomiting of blood or material that looks like coffee grounds
  36. 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:

More common

  1. Diarrhea
  2. dry mouth
  3. heartburn
  4. sleepiness or unusual drowsiness
  5. trouble sleeping

Less common

  1. Bloated or full feeling
  2. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  3. decreased appetite
  4. excess air or gas in the stomach or bowels
  5. general feeling of discomfort or illness
  6. increased sweating
  7. joint pain
  8. muscle aches and pains
  9. pain in the neck or shoulders
  10. pain or tenderness around the eyes and cheekbones
  11. passing gas
  12. runny nose
  13. shivering
  14. sneezing
  15. stuffy nose
  16. tooth problems
  17. unusual dreams
  18. unusual drowsiness, dullness, tiredness, weakness or feeling of sluggishness
  19. yawning

Incidence not known

  1. Blistering, peeling, loosening of the skin
  2. change in walking and balance
  3. clumsiness or unsteadiness
  4. decrease in smell
  5. hair loss or thinning of the hair
  6. increased sensitivity of skin to sunlight
  7. lack or loss of strength
  8. loss of sense of smell
  9. red irritated eyes
  10. red skin lesions, often with a purple center
  11. redness or other discoloration of the skin
  12. 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.

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