Side Effects

Drug information provided by: 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. difficult or labored breathing
  5. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  6. dry mouth
  7. fast, pounding, racing, or irregular heartbeat or pulse
  8. headache
  9. nervousness
  10. pounding in the ears
  11. rapid breathing
  12. sunken eyes
  13. sweating
  14. swelling of the hands, ankles, or feet
  15. thirst
  16. tightness in the chest
  17. unusual tiredness or weakness
  18. wrinkled skin


  1. Abdominal or stomach pain
  2. chest pain or discomfort
  3. chills
  4. cold sweats
  5. cough
  6. decrease in consciousness
  7. decrease in urine volume
  8. difficulty in passing urine (dribbling)
  9. difficulty with sleeping
  10. difficulty with swallowing
  11. disorientation
  12. drowsiness to profound coma
  13. fever
  14. hallucination
  15. hives, itching, or skin rash
  16. hyperventilation
  17. hoarseness
  18. irregular, slow, or shallow breathing
  19. irritability
  20. irritation
  21. joint pain, stiffness, or swelling
  22. lethargy
  23. painful urination
  24. pale or blue lips, fingernails, or skin
  25. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  26. redness of the skin
  27. restlessness
  28. severe constipation
  29. severe vomiting
  30. shaking
  31. trouble in holding or releasing urine

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

Symptoms of overdose

  1. Cold and clammy skin
  2. constricted, pinpoint, or small pupils (black part of the eye)
  3. decreased awareness or responsiveness
  4. low blood pressure or pulse
  5. muscle weakness
  6. severe sleepiness or unusual drowsiness
  7. very slow breathing

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. Difficulty having a bowel movement (stool)
  2. feeling of constant movement of self or surroundings
  3. increased sweating
  4. nausea or vomiting
  5. relaxed and calm
  6. sensation of spinning
  7. sleepiness

Less common

  1. Acid or sour stomach
  2. belching
  3. decreased appetite
  4. decreased weight
  5. diarrhea
  6. discouragement
  7. excess air or gas in the stomach or intestines
  8. feeling of warmth
  9. feeling sad or empty
  10. full or bloated feeling
  11. heartburn
  12. indigestion
  13. lack of appetite
  14. loss of interest or pleasure
  15. passing gas
  16. pressure in the stomach
  17. redness of the face, neck, arms, and occasionally, upper chest
  18. stomach discomfort or upset
  19. swelling of the abdominal or stomach area
  20. tiredness
  21. trouble concentrating


  1. Blistering, crusting, irritation, itching, or reddening of the skin
  2. cracked, dry, scaly skin
  3. difficulty with thinking or concentrating
  4. disturbed color perception
  5. double vision
  6. false or unusual sense of well-being
  7. feeling jittery
  8. halos around lights
  9. loss of vision
  10. mental depression
  11. night blindness
  12. nightmares or unusually vivid dreams
  13. overbright appearance of lights
  14. sudden sweating
  15. tunnel vision
  16. welts

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.