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. Abdominal or stomach pain
  2. anxiety
  3. black, tarry stools
  4. bleeding gums
  5. blood in the urine or stools
  6. blurred vision
  7. body aches or pain
  8. chest pain
  9. chills
  10. cloudy urine
  11. cold sweats
  12. coma
  13. confusion
  14. congestion
  15. cool, pale skin
  16. cough
  17. depression
  18. diarrhea
  19. dry mouth
  20. dryness or soreness of the throat
  21. eye pain
  22. fast heartbeat
  23. fever
  24. flushed, dry skin
  25. fruit-like breath odor
  26. general feeling of illness
  27. headache
  28. hoarseness
  29. increased hunger
  30. increased thirst
  31. increased urination
  32. lower back or side pain
  33. nausea
  34. nervousness
  35. nightmares
  36. painful or difficult urination
  37. pale skin
  38. pinpoint red spots on the skin
  39. pus in the urine
  40. runny nose
  41. seizures
  42. shakiness
  43. shortness of breath
  44. slurred speech
  45. sore throat
  46. sores, ulcers, or white spots on the lips or in the mouth
  47. sweating
  48. swollen glands
  49. tender, swollen glands in the neck
  50. trouble with swallowing
  51. troubled breathing with exertion
  52. unexplained weight loss
  53. unusual bleeding or bruising
  54. unusual tiredness or weakness
  55. voice changes
  56. vomiting


  1. Burning while urinating
  2. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  3. change in color vision
  4. continuing ringing or buzzing or other unexplained noise in the ears
  5. convulsions
  6. decrease in frequency of urination
  7. decrease in urine volume
  8. decreased hearing or any change in hearing
  9. difficult or painful urination
  10. difficulty in passing urine (dribbling)
  11. difficulty seeing at night
  12. difficulty with moving
  13. discouragement
  14. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  15. false or unusual sense of well-being
  16. fast, irregular, pounding, or racing heartbeat or pulse
  17. fear or nervousness
  18. feeling of constant movement of self or surroundings
  19. feeling of warmth or heat
  20. feeling sad or empty
  21. flushing or redness of the skin, especially on the face and neck
  22. hearing loss
  23. hives or welts
  24. increased need to urinate
  25. increased sensitivity of the eyes to sunlight
  26. increased sweating
  27. irritability
  28. itching
  29. joint pain
  30. lack of appetite
  31. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  32. loss of bladder control
  33. loss of interest or pleasure
  34. muscle aching or cramping
  35. muscle pains or stiffness
  36. muscle spasm or jerking of all extremities
  37. no blood pressure or pulse
  38. no breathing
  39. passing urine more often
  40. pounding in the ears
  41. redness, soreness, or itching skin
  42. seeing, hearing, or feeling things that are not there
  43. sensation of spinning
  44. shakiness in the legs, arms, hands, or feet
  45. skin rash
  46. slow or fast heartbeat
  47. sores, welting, or blisters
  48. stopping of the heart
  49. sudden loss of consciousness
  50. swelling
  51. swollen joints
  52. trembling or shaking of the hands or feet
  53. trouble concentrating
  54. trouble performing routine tasks
  55. trouble sleeping
  56. unconsciousness

Incidence not known

  1. Abdominal or stomach tenderness
  2. actions that are out of control
  3. back, leg, or stomach pains
  4. blistering, peeling, or loosening of the skin
  5. bloating
  6. blue lips and fingernails
  7. burning, dry, or itching eyes
  8. changes in behavior
  9. confusion about identity, place, and time
  10. coughing that sometimes produces a pink frothy sputum
  11. coughing up blood
  12. cracks in the skin
  13. crying
  14. dark-colored urine
  15. darkening of the skin
  16. delusions of persecution, mistrust, suspiciousness, and/or combativeness
  17. depersonalization
  18. diarrhea, watery and severe, which may also be bloody
  19. difficulty with breathing, chewing, or talking
  20. difficulty with speaking
  21. difficulty with swallowing
  22. discharge or excessive tearing
  23. double vision
  24. drooling
  25. drooping eyelids
  26. dysphoria
  27. euphoria
  28. feeling of discomfort
  29. general body swelling
  30. heartburn
  31. high fever
  32. hyperventilation
  33. increased blood pressure
  34. increased menstrual flow or vaginal bleeding
  35. increased sensitivity of the skin to sunlight
  36. increased sweating
  37. indigestion
  38. inflammation of the joints
  39. irregular heartbeats
  40. irregular or slow heart rate
  41. itching of the vagina or outside the genitals
  42. loss of ability to use or understand speech or language
  43. loss of appetite
  44. loss of balance control
  45. loss of heat from the body
  46. mental depression
  47. mood or mental changes
  48. muscle weakness
  49. noisy breathing
  50. nosebleeds
  51. numbness of the hands
  52. pain during sexual intercourse
  53. pain in the ankles or knees
  54. pain, inflammation, or swelling in the calves, shoulders, or hands
  55. painful, red lumps under the skin, mostly on the legs
  56. paralysis
  57. prolonged bleeding from cuts
  58. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  59. quick to react or overreact emotionally
  60. rapidly changing moods
  61. rash
  62. red or black, tarry stools
  63. red or dark brown urine
  64. red skin lesions, often with a purple center
  65. red, irritated eyes
  66. red, swollen skin
  67. redness or other discoloration of the skin
  68. redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid
  69. restlessness
  70. scaly skin
  71. severe abdominal pain, cramping, or burning
  72. severe sunburn
  73. severe tiredness
  74. shaking
  75. shuffling walk
  76. stiffness of the limbs
  77. stomach pain, continuing
  78. swelling of the face, fingers, or lower legs
  79. swollen lymph glands
  80. talking, feeling, and acting with excitement
  81. thick, white, curd-like vaginal discharge without odor or with mild odor
  82. thoughts of killing oneself
  83. twisting movements of the body
  84. uncontrolled eye movements
  85. uncontrolled movements, especially of the face, neck, and back
  86. unexplained bleeding or bruising
  87. unpleasant breath odor
  88. unsteadiness or awkwardness
  89. unusual behavior, such as disorientation to time or place, failure to recognize people, hyperactivity, or restlessness, especially in children using 2% cyclopentolate
  90. unusual weight loss
  91. upper right abdominal pain
  92. vomiting of blood or material that looks like coffee grounds
  93. weakness in the arms, hands, legs, or feet
  94. weight gain
  95. wheezing
  96. yellowing of the eyes or skin

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. Sleeplessness
  2. unable to sleep

Less common

  1. Change in taste
  2. excess air or gas in the stomach or intestines
  3. full feeling
  4. loss of taste
  5. passing gas
  6. runny nose

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.