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 or nurse immediately if any of the following side effects occur:

More common

  1. Blurred vision
  2. chest pain or discomfort
  3. confusion
  4. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  5. shortness of breath
  6. slow or irregular heartbeat
  7. sweating
  8. unusual tiredness or weakness

Less common

  1. Bloating or swelling of the face, arms, hands, lower legs, or feet
  2. cough
  3. decreased urine output
  4. difficult or labored breathing
  5. dilated neck veins
  6. disturbed color perception
  7. double vision
  8. extreme fatigue
  9. fast, pounding, or racing heartbeat or pulse
  10. halos around lights
  11. irregular breathing
  12. loss of vision
  13. mental confusion
  14. night blindness
  15. noisy breathing
  16. overbright appearance of lights
  17. pain, tension, and weakness upon walking that subsides during periods of rest
  18. paleness or cold feeling in the fingertips and toes
  19. rapid weight gain
  20. seeing, hearing, or feeling things that are not there
  21. short-term memory loss
  22. swelling of the face, fingers, feet, or lower legs
  23. tightness in the chest
  24. tingling of the hands or feet
  25. tingling or pain in the fingers or toes when exposed to cold
  26. troubled breathing
  27. tunnel vision
  28. unusual weight gain or loss


  1. Bluish color skin of the fingers or toes
  2. chills
  3. clay-colored stools
  4. continuing loss of appetite
  5. continuing or severe abdominal or stomach pain
  6. continuing or severe nausea and vomiting
  7. dark urine
  8. difficulty with moving
  9. fever
  10. general tiredness and weakness
  11. headache
  12. hoarseness
  13. increased frequency of urination
  14. itching skin
  15. light-colored stools
  16. lower back or side pain
  17. muscle pain or stiffness
  18. numbness of the fingers or toes
  19. pain, swelling, or redness in the joints
  20. painful or difficult urination
  21. rash
  22. sore throat
  23. sores, ulcers, or white spots on the lips or in the mouth
  24. unpleasant breath odor
  25. unusual bleeding or bruising
  26. upper right abdominal or stomach pain
  27. vomiting of blood
  28. weakness
  29. yellow eyes and skin

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

Symptoms of overdose

  1. Bluish color of the fingernails, lips, skin, palms, or nail beds
  2. change in consciousness
  3. loss of consciousness
  4. no blood pressure or pulse
  5. stopping of heart
  6. unconsciousness
  7. very drowsy or sleepy

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. Belching
  2. bloated
  3. decreased interest in sexual intercourse
  4. difficulty having a bowel movement (stool)
  5. discouragement
  6. dry mouth
  7. excess air or gas in the stomach or intestines
  8. feeling of constant movement of self or surroundings
  9. feeling of indigestion
  10. feeling sad or empty
  11. full feeling
  12. inability to have or keep an erection
  13. irritability
  14. loss in sexual ability, desire, drive, or performance
  15. loss of interest or pleasure
  16. nightmares
  17. pain in the chest below the breastbone
  18. passing gas
  19. redness or other discoloration of the skin
  20. sensation of spinning
  21. tiredness
  22. trouble concentrating
  23. trouble sleeping


  1. Bone pain
  2. continuing ringing or buzzing or other unexplained noise in the ears
  3. hearing loss
  4. increased sensitivity of the skin to sunlight
  5. pain of penis on erection
  6. 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.