Side Effects

Información sobre medicamentos proporcionada por: 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:

Less common

  1. Chills
  2. cold sweats
  3. confusion
  4. difficult or labored breathing
  5. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  6. fever
  7. tightness in the chest
  8. twitching


  1. Bloating or swelling of the face, arms, hands, lower legs, or feet
  2. blood in the urine
  3. burning while urinating burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  4. chest pain
  5. cough
  6. decrease in the frequency of urination
  7. decreased urine output
  8. difficult or painful urination
  9. difficulty in passing urine (dribbling)
  10. difficulty with swallowing
  11. dizziness
  12. dry mouth
  13. fainting
  14. fast, irregular, pounding, or racing heartbeat or pulse
  15. feeling of warmth or heat
  16. flushing or redness of the skin, especially on the face and neck
  17. frequent urination
  18. headache
  19. hives, itching, or skin rash
  20. increase in heart rate
  21. increased thirst
  22. increased volume of pale, dilute urine
  23. lightheadedness
  24. muscle pain or cramps
  25. nausea
  26. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  27. rapid breathing
  28. rapid weight gain
  29. seizures
  30. severe constipation
  31. severe vomiting
  32. stomach pain
  33. sunken eyes
  34. sweating
  35. swollen, painful, or tender lymph glands in the neck, armpit, or groin
  36. thirst
  37. trembling or shaking of the hands or feet
  38. unusual tiredness or weakness
  39. unusual weight gain or loss
  40. vomiting
  41. wrinkled skin

Incidence not known

  1. Blurred vision
  2. choking
  3. clay-colored stools
  4. cold, clammy skin
  5. dark urine
  6. diarrhea
  7. fast, weak pulse
  8. gagging
  9. irregular, fast, slow, or shallow breathing
  10. loss of appetite
  11. loss of consciousness
  12. pale or blue lips, fingernails, or skin
  13. unpleasant breath odor
  14. very slow heartbeat
  15. yellow eyes or skin

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

Symptoms of overdose

  1. Change in consciousness
  2. chest pain or discomfort
  3. constricted, pinpoint, or small pupils (black part of the eye)
  4. decreased awareness or responsiveness
  5. extreme drowsiness
  6. loss of consciousness
  7. no muscle tone or movement
  8. severe sleepiness
  9. slow or irregular heartbeat

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
  2. drowsiness
  3. lack or loss of strength
  4. relaxed and calm feeling
  5. sleepiness or unusual drowsiness

Less common

  1. Abnormal dreams
  2. anxiety
  3. belching
  4. burning feeling in the chest or stomach
  5. false or unusual sense of well-being
  6. heartburn
  7. hiccups
  8. indigestion
  9. stomach discomfort or upset
  10. tenderness in the stomach area
  11. trouble sleeping
  12. weight loss


  1. Absent, missed, or irregular menstrual periods
  2. bad, unusual or unpleasant (after) taste
  3. bloated or full feeling
  4. body aches or pain
  5. change in taste
  6. change in walking and balance
  7. changes in vision
  8. clumsiness or unsteadiness
  9. congestion
  10. continuous ringing or buzzing or other unexplained noise in the ears
  11. crying
  12. decreased interest in sexual intercourse
  13. deep or fast breathing with dizziness
  14. delusions of persecution, mistrust, suspiciousness, or combativeness
  15. dental caries or tooth decay
  16. depression
  17. difficulty with speaking
  18. dry skin
  19. dryness or soreness of the throat
  20. excess air or gas in the stomach or bowels
  21. excessive muscle tone
  22. feeling of constant movement of self or surroundings
  23. feeling of unreality
  24. general feeling of discomfort or illness
  25. headache, severe and throbbing
  26. hearing loss
  27. hoarseness
  28. inability to have or keep an erection
  29. increase in body movements
  30. increased appetite
  31. increased cough
  32. irritability
  33. loss in sexual ability, desire, drive, or performance
  34. loss of heat from the body
  35. loss of memory
  36. loss of strength or energy
  37. muscle pain or weakness
  38. muscle stiffness, tension, or tightness
  39. neck pain
  40. numbness of the feet, hands, and around the mouth
  41. passing of gas
  42. problems with memory
  43. quick to react or overreact emotionally
  44. rapidly changing moods
  45. red, swollen skin
  46. restlessness
  47. runny nose
  48. scaly skin
  49. sensation of spinning
  50. sense of detachment from self or body
  51. severe sleepiness
  52. swelling or inflammation of the mouth
  53. voice changes

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.