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:

More common

  1. Being forgetful
  2. changes in patterns and rhythms of speech
  3. clumsiness or unsteadiness
  4. difficulty with coordination
  5. discouragement
  6. drowsiness
  7. feeling sad or empty
  8. irritability
  9. lack of appetite
  10. lightheadedness
  11. loss of interest or pleasure
  12. relaxed and calm
  13. shakiness and unsteady walk
  14. sleepiness or unusual drowsiness
  15. slurred speech
  16. tiredness
  17. trouble concentrating
  18. trouble in speaking
  19. trouble performing routine tasks
  20. trouble sleeping
  21. unsteadiness, trembling, or other problems with muscle control or coordination
  22. unusual tiredness or weakness

Less common

  1. Abdominal or stomach pain
  2. blurred vision
  3. body aches or pain
  4. burning, crawling, itching, numbness, prickling, "pins and needles, or tingling feelings
  5. changes in behavior
  6. chills
  7. clay-colored stools
  8. confusion about identity, place, and time
  9. cough
  10. dark urine
  11. decrease in frequency of urination
  12. decrease in urine volume
  13. diarrhea
  14. difficult or labored breathing
  15. difficulty in moving
  16. difficulty in passing urine (dribbling)
  17. difficulty with concentration
  18. dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
  19. dry mouth
  20. ear congestion
  21. environment seems unreal
  22. fainting
  23. fear or nervousness
  24. feeling of unreality
  25. feeling warm
  26. fever
  27. general feeling of discomfort or illness
  28. headache
  29. hyperventilation
  30. inability to move eyes
  31. inability to sit still
  32. increased blinking or spasms of the eyelid
  33. irregular heartbeats
  34. itching
  35. joint pain
  36. lack or loss of self-control
  37. loss of bladder control
  38. loss of coordination
  39. loss of memory
  40. loss of voice
  41. mood or mental changes
  42. muscle aching or cramping
  43. muscle pain or stiffness
  44. muscle weakness
  45. nasal congestion
  46. nausea
  47. need to keep moving
  48. painful urination
  49. problems with memory
  50. rash
  51. restlessness
  52. runny nose
  53. seeing, hearing, or feeling things that are not there
  54. seizures
  55. sense of detachment from self or body
  56. shaking
  57. shivering
  58. shortness of breath
  59. sneezing
  60. sore throat
  61. sticking out of the tongue
  62. sweating
  63. swollen joints
  64. talkativeness
  65. tightness in the chest
  66. trouble in breathing, speaking, or swallowing
  67. trouble with balance
  68. twitching, twisting, or uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
  69. uncontrolled twisting movements of the neck, trunk, arms, or legs
  70. unpleasant breath odor
  71. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
  72. unusual facial expressions
  73. unusually deep sleep
  74. unusually long duration of sleep
  75. vomiting of blood
  76. wheezing
  77. yellow eyes or skin

Rare

  1. Actions that are out of control
  2. attack, assault, or force
  3. chest pain
  4. continuing ringing or buzzing or other unexplained noise in ears
  5. decreased awareness or responsiveness
  6. deep or fast breathing with dizziness
  7. ear pain
  8. false or unusual sense of well-being
  9. fast, irregular, pounding, or racing heartbeat or pulse
  10. feeling jittery
  11. feeling unusually cold
  12. generalized slowing of mental and physical activity
  13. hearing loss
  14. hoarseness
  15. lack of feeling or emotion
  16. loss of control of the legs
  17. loss of strength or energy
  18. nightmares
  19. numbness of the feet, hands, and around mouth
  20. severe sleepiness
  21. shakiness in the legs, arms, hands, or feet
  22. sleep talking
  23. sleeplessness
  24. swelling
  25. talking, feeling, and acting with excitement
  26. thoughts of killing oneself
  27. unable to sleep
  28. uncaring
  29. unusual weak feeling
  30. voice changes

Incidence not known

  1. General tiredness and weakness
  2. light-colored stools
  3. stomach pain, continuing
  4. upper right abdominal pain

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. Absent, missed, or irregular menstrual periods
  2. decreased appetite
  3. decreased interest in sexual intercourse
  4. decreased sexual performance or desire abnormal ejaculation
  5. difficulty having a bowel movement (stool)
  6. inability to have or keep an erection
  7. increased appetite
  8. increased in sexual ability, desire, drive, or performance
  9. increased interest in sexual intercourse
  10. increased weight
  11. loss in sexual ability, desire, drive, or performance
  12. stopping of menstrual bleeding
  13. watering of mouth
  14. weight loss

Less common

  1. Abdominal bloating and cramping
  2. blistering, crusting, irritation, itching, or reddening of the skin
  3. change in taste bad unusual or unpleasant (after) taste
  4. cracked, dry, or scaly skin
  5. cramps
  6. double vision
  7. feeling of warmth
  8. heavy bleeding
  9. menstrual changes
  10. pain
  11. pelvic pain
  12. redness of the face, neck, arms, and occasionally, upper chest
  13. seeing double
  14. sudden sweating
  15. unexplained runny nose or sneezing

Rare

  1. Acid or sour stomach
  2. belching
  3. bigger, dilated, or enlarged pupils (black part of eye)
  4. change in color vision
  5. difficulty seeing at night
  6. feeling of constant movement of self or surroundings
  7. feeling of relaxation
  8. heartburn
  9. hives or welts
  10. increased sensitivity of eyes to sunlight
  11. indigestion
  12. redness of skin
  13. runny nose
  14. sensation of spinning
  15. stomach discomfort, upset, or pain
  16. stuffy nose

Incidence not known

  1. Blistering, peeling, or loosening of the skin
  2. red, irritated eyes
  3. red skin lesions, often with a purple center
  4. sores, ulcers, or white spots in the mouth or on the lips
  5. swelling of the breasts or breast soreness in both females and males
  6. unexpected or excess milk flow from breasts

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.