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. Decreased interest in sexual intercourse
  2. failure to discharge semen (in men)
  3. inability to have or keep an erection
  4. loss in sexual ability, desire, drive, or performance

Less common or rare

  1. Aggressive reaction
  2. breast tenderness or enlargement
  3. confusion
  4. convulsions
  5. diarrhea
  6. drowsiness
  7. dryness of the mouth
  8. fast talking and excited feelings or actions that are out of control
  9. fever
  10. inability to sit still
  11. increase in body movements
  12. increased sweating
  13. increased thirst
  14. lack of energy
  15. loss of bladder control
  16. mood or behavior changes
  17. muscle spasm or jerking of all extremities
  18. nosebleeds
  19. overactive reflexes
  20. racing heartbeat
  21. red or purple spots on the skin
  22. restlessness
  23. shivering
  24. skin rash, hives, or itching
  25. sudden loss of consciousness
  26. unusual or sudden body or facial movements or postures
  27. unusual secretion of milk (in females)

Incidence not known

  1. Bleeding gums
  2. blindness
  3. blistering, peeling, or loosening of the skin
  4. bloating
  5. blood in the urine
  6. bloody, black, or tarry stools
  7. blue-yellow color blindness
  8. blurred vision
  9. chest pain, discomfort, or tightness
  10. chills
  11. clay-colored stools
  12. cough or hoarseness
  13. darkened urine
  14. decreased urine output
  15. decreased vision
  16. delayed or inability to have an orgasm
  17. depressed mood
  18. difficulty with breathing
  19. difficulty with speaking
  20. difficulty with swallowing
  21. drooling
  22. dry skin and hair
  23. eye pain
  24. fainting
  25. feeling cold
  26. feeling of discomfort
  27. feeling, seeing, or hearing things that are not there
  28. general feeling of discomfort, illness, tiredness, or weakness
  29. hair loss
  30. high fever
  31. high or low blood pressure
  32. hoarseness or husky voice
  33. hostility
  34. increased clotting times
  35. indigestion
  36. inflamed joints
  37. irritability
  38. joint or muscle pain
  39. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  40. lethargy
  41. lightheadedness
  42. loss of appetite
  43. loss of balance control
  44. loss of bladder control
  45. lower back or side pain
  46. muscle aches
  47. muscle cramps and stiffness
  48. muscle trembling, jerking, or stiffness
  49. muscle twitching
  50. painful or difficult urination
  51. pains in the stomach, side, or abdomen, possibly radiating to the back
  52. pale skin
  53. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  54. rapid weight gain
  55. rash
  56. red, irritated eyes
  57. red, sore, or itching skin
  58. right upper stomach pain and fullness
  59. severe mood or mental changes
  60. severe muscle stiffness
  61. shuffling walk
  62. sore throat
  63. sores, ulcers, or white spots in the mouth or on the lips
  64. sores, welting, or blisters
  65. stiffness of the limbs
  66. stomach pain
  67. sweating
  68. swelling of the face, ankles, or hands
  69. swollen or painful glands
  70. talking or acting with excitement you cannot control
  71. trouble breathing
  72. twisting movements of the body
  73. twitching
  74. uncontrolled movements, especially of the face, neck, and back
  75. unexplained bleeding or bruising
  76. unpleasant breath odor
  77. unusual behavior
  78. unusual tiredness or weakness
  79. vomiting of blood
  80. weight gain
  81. yellow eyes and 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. Acid or sour stomach
  2. belching
  3. decreased appetite or weight loss
  4. diarrhea or loose stools
  5. heartburn
  6. sleepiness or unusual drowsiness
  7. stomach cramps, gas, or pain
  8. trouble sleeping

Less common

  1. Agitation, anxiety, or nervousness
  2. bladder pain
  3. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  4. changes in vision
  5. cloudy urine
  6. constipation
  7. difficult, burning, or painful urination
  8. flushing or redness of the skin, with feeling of warmth or heat
  9. frequent urge to urinate
  10. increased appetite
  11. pain or tenderness around the eyes and cheekbones
  12. stuffy or runny nose

Incidence not known

  1. Flushed, dry skin
  2. fruit-like breath odor
  3. increased hunger
  4. increased urination
  5. redness or other discoloration of the skin
  6. severe sunburn
  7. swelling of the breasts (in women)
  8. unexplained weight loss
  9. unusual secretion of milk (in women)

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.

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Portions of this document last updated: Aug. 01, 2022

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