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. 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

Rare

  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

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. Constipation
  2. cough
  3. diarrhea
  4. dry mouth
  5. headache
  6. heartburn
  7. increased dream activity
  8. increased length of sleep
  9. nausea
  10. sleepiness or unusual drowsiness
  11. sore throat
  12. stuffy or runny nose
  13. unusual tiredness or weakness
  14. weight gain

Less common

  1. Absent, missed, or irregular menstrual periods
  2. body aches or pain
  3. breast swelling or soreness
  4. chills
  5. dandruff
  6. darkening of skin color
  7. decreased interest in sexual intercourse
  8. dry skin
  9. ear congestion
  10. fever
  11. inability to have or keep an erection
  12. increase in body movements
  13. increased watering of the mouth
  14. joint pain
  15. loss in sexual ability, desire, drive, or performance
  16. loss of voice
  17. oily skin
  18. pain or tenderness around the eyes and cheekbones
  19. shortness of breath or troubled breathing
  20. sneezing
  21. stomach pain
  22. stopping of menstrual bleeding
  23. tightness of the chest or wheezing
  24. toothache
  25. unusual breast milk production
  26. vomiting
  27. weight loss

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.