Side Effects

Drug information provided by: 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:

More common

  1. Body aches or pain
  2. chills
  3. cough
  4. difficulty breathing
  5. discouragement
  6. dizziness
  7. ear congestion
  8. feeling sad or empty
  9. fever
  10. headache
  11. irritability
  12. lack of appetite
  13. loss of interest or pleasure
  14. loss of voice
  15. nasal congestion
  16. poor coordination
  17. runny nose
  18. shakiness and unsteady walk
  19. sleepiness or unusual drowsiness
  20. sneezing
  21. sore throat
  22. tiredness
  23. trouble concentrating
  24. trouble sleeping
  25. unsteadiness, trembling, or other problems with muscle control or coordination
  26. unusual tiredness or weakness

Less common

  1. Being forgetful
  2. bladder pain
  3. bloody or cloudy urine
  4. change in speech
  5. diarrhea
  6. difficult, burning, or painful urination
  7. frequent urge to urinate
  8. general feeling of discomfort or illness
  9. joint pain
  10. loss of appetite
  11. lower back or side pain
  12. mood or mental changes
  13. muscle aches and pains
  14. nausea
  15. nervousness
  16. problems in urination or increase in the amount of urine
  17. shivering
  18. slurred speech
  19. sore throat
  20. sweating
  21. trouble speaking
  22. vomiting


  1. Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  2. changes in skin color
  3. chest pain or discomfort
  4. cold sweats
  5. colds
  6. confusion
  7. cough or hoarseness
  8. difficulty with sleeping
  9. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  10. excessive dreaming
  11. excessive muscle tone
  12. excitement
  13. falling
  14. fast, irregular, pounding, or racing heartbeat or pulse
  15. feeling mad
  16. feeling of unreality
  17. flu-like symptoms
  18. headache, severe and throbbing
  19. lack of feeling or emotion
  20. lack or loss of self-control
  21. muscle stiffness
  22. muscle tension or tightness
  23. nightmares
  24. pain, inflammation, or swelling in the calves, shoulders, or hands
  25. pain or swelling in the arms or legs without any injury
  26. pain, tenderness, or swelling of the foot or leg
  27. partial or slight paralysis
  28. scaling
  29. sense of detachment from self or body
  30. shakiness in the legs, arms, hands, or feet
  31. skin rash
  32. swelling around the eyes
  33. swelling of the face, ankle, foot, or knees
  34. thoughts of killing oneself changes in behavior
  35. tightness in the chest
  36. trembling or shaking of the hands or feet
  37. uncaring
  38. vision changes

Incidence not known

  1. Abdominal pain or fullness
  2. anxiety
  3. black, tarry stools
  4. bleeding gums
  5. blood in the urine or stools
  6. change in consciousness
  7. chest congestion
  8. difficulty with coordination
  9. double vision
  10. drowsiness
  11. dry mouth
  12. feeling that others are watching you or controlling your behavior
  13. feeling that others can hear your thoughts
  14. feeling, seeing, or hearing things that are not there
  15. hyperventilation
  16. irregular, fast, slow, or shallow breathing
  17. irregular, twisting uncontrolled movement of the face, hands, arms, or legs
  18. loss of interest or pleasure
  19. loss of memory
  20. loss of strength or energy
  21. loss of voice
  22. muscle weakness
  23. pale or blue lips, fingernails, or skin
  24. pinpoint red spots on the skin
  25. problems with memory
  26. restlessness
  27. severe mood or mental changes
  28. sores, ulcers, or white spots on the lips or in the mouth
  29. swollen glands
  30. troubled breathing with exertion
  31. uncontrolled eye movements
  32. unusual behavior
  33. unusual bleeding or bruising
  34. unusual weakness
  35. vivid dreams
  36. weight loss or gain

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. Decreased interest in sexual intercourse
  2. difficulty with swallowing
  3. dryness or soreness of the throat
  4. heavy bleeding
  5. hives
  6. inability to have or keep an erection
  7. longer than usual time to ejaculation of semen
  8. loss in sexual ability, desire, drive, or performance
  9. pain or tenderness around the eyes and cheekbones
  10. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  11. voice changes


  1. Acid or sour stomach
  2. ankle, knee, or great toe joint pain
  3. belching
  4. bleeding after defecation
  5. blistering, burning, crusting, dryness, or flaking of the skin
  6. bloated
  7. blurred or loss of vision
  8. change in color perception
  9. cracks in the skin at the corners of the mouth
  10. decrease or change in vision
  11. difficulty moving
  12. double vision
  13. dryness of the eyes
  14. earache
  15. excess air or gas in stomach or intestines
  16. feeling of constant movement of self or surroundings
  17. feeling of warmth
  18. frequent bowel movements
  19. full feeling
  20. hair loss or thinning of the hair
  21. halos around lights
  22. heartburn
  23. increased watering of the mouth
  24. indigestion
  25. irregularities in menstruation
  26. itching in the genital or other skin areas
  27. itching, scaling, severe redness, soreness, or swelling of the skin
  28. joint stiffness or swelling
  29. leg or muscle cramps
  30. loss of taste
  31. night blindness
  32. nosebleeds
  33. overbright appearance of lights
  34. pain in the breasts or pelvic area
  35. pain in the leg, nape, or back
  36. passing gas
  37. red, sore eyes
  38. redness of the face, neck, arms, and occasionally, upper chest
  39. redness or swelling in the ear
  40. sensation of spinning
  41. smaller amount of semen ejaculated than usual
  42. sore on the edge of the eyelid
  43. soreness or redness around the fingernails and toenails
  44. stomach discomfort, upset, or pain
  45. thickening of the tongue
  46. thirst
  47. tooth disorder
  48. toothache
  49. tunnel vision
  50. twitching of the eyes
  51. uncomfortable swelling around the anus
  52. worsening of acne

Incidence not known

  1. Burning feeling in the chest or stomach
  2. difficulty having a bowel movement (stool)
  3. increased appetite
  4. increased hair growth, especially on the face
  5. increased in sexual ability, desire, drive, or performance
  6. increased interest in sexual intercourse
  7. sore gums
  8. tenderness in the stomach area

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.