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 or nurse immediately if any of the following side effects occur:

More common

  1. Aggressive behavior
  2. agitation
  3. anxiety
  4. changes in vision, including blurred vision
  5. difficulty concentrating
  6. difficulty speaking or swallowing
  7. inability to move the eyes
  8. increase in amount of urine
  9. loss of balance control
  10. mask-like face
  11. memory problems
  12. muscle spasms of the face, neck, and back
  13. problems with urination
  14. restlessness or need to keep moving (severe)
  15. shuffling walk
  16. skin rash or itching
  17. stiffness or weakness of the arms or legs
  18. tic-like or twitching movements
  19. trembling and shaking of the fingers and hands
  20. trouble sleeping
  21. twisting body movements

Less common

  1. Back pain
  2. chest pain
  3. speech or vision problems
  4. sudden weakness or numbness in the face, arms, or legs


  1. Confusion
  2. dizziness
  3. drowsiness
  4. extreme thirst
  5. fast, shallow breathing
  6. fast, weak heartbeat
  7. headache
  8. increased thirst
  9. lip smacking or puckering
  10. loss of appetite
  11. muscle cramps
  12. pale, clammy skin
  13. poor coordination
  14. prolonged, painful, inappropriate erection of the penis
  15. puffing of the cheeks
  16. rapid or worm-like movements of the tongue
  17. shivering
  18. talking, feeling, and acting with excitement and activity that cannot be controlled
  19. uncontrolled chewing movements
  20. uncontrolled twisting movements of neck, trunk, arms, or legs
  21. unusual bleeding or bruising
  22. unusual facial expressions or body positions

Incidence not known

  1. Abnormal growth filled with fluid or semisolid material
  2. accumulation of pus
  3. Black, tarry stools
  4. bleeding gums
  5. bloating
  6. blood in the urine or stools
  7. bluish lips or skin
  8. break in the skin, especially associated with blue-black discoloration, swelling, or drainage of fluid
  9. change in mental status
  10. chills
  11. clumsiness
  12. cold sweats
  13. collection of blood under the skin
  14. constipation
  15. cough
  16. dark urine
  17. decrease in the frequency of urination
  18. decreased awareness or responsiveness
  19. decreased urine output
  20. deep, dark purple bruise
  21. depression
  22. dry mouth
  23. fainting
  24. fast or irregular heartbeat
  25. fever
  26. flushed, dry skin
  27. fruit-like breath odor
  28. hives
  29. hostility
  30. increased hunger
  31. indigestion
  32. irregular heartbeat, recurrent
  33. irritability
  34. large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
  35. loss of consciousness
  36. low body temperature
  37. muscle ache, twitching, or weakness
  38. nausea
  39. nervousness
  40. nightmares
  41. painful urination
  42. pains in the stomach, side, or abdomen, possibly radiating to the back
  43. pinpoint red spots on the skin
  44. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  45. rapid weight gain
  46. seizures
  47. severe constipation
  48. severe sleepiness
  49. severe vomiting
  50. shakiness
  51. small lumps under the skin
  52. sores on the skin
  53. stomach pain
  54. swelling of the face, ankles, or hands
  55. swollen, red, tender area of infection
  56. tightness in the chest
  57. troubled breathing
  58. unexplained weight loss
  59. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
  60. vomiting
  61. weak or feeble pulse
  62. weight gain
  63. yellow 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. Diarrhea
  2. heartburn
  3. increased dream activity
  4. increased length of sleep
  5. sore throat
  6. stuffy or runny nose

Less common

  1. Absent, missed, or irregular menstrual periods
  2. bleeding, blistering, burning, discoloration of the skin, infection, inflammation, itching, lumps, numbness, pain, rash, redness, soreness, stinging, swelling, tenderness, tingling, or warmth at the injection site
  3. body aches or pain
  4. breast swelling or soreness
  5. dandruff
  6. darkening of skin color
  7. decreased interest in sexual intercourse
  8. dry skin
  9. ear congestion
  10. inability to have or keep an erection
  11. increase in body movements
  12. increased watering of the mouth
  13. joint pain
  14. loss in sexual ability, desire, drive, or performance
  15. loss of voice
  16. oily skin
  17. pain or tenderness around the eyes and cheekbones
  18. sneezing
  19. stopping of menstrual bleeding
  20. toothache
  21. unusual breast milk production
  22. weight loss

Incidence not known

  1. Acne
  2. change in taste
  3. enlargement of the penis or testes
  4. growth of pubic hair
  5. loss of hair
  6. loss of taste
  7. rapid increase in height
  8. sleepwalking
  9. thinning of hair

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.