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. Abnormal or decreased touch sensation
  2. inability to move the eyes
  3. inability to sit still
  4. increase in body movements
  5. increased blinking or spasms of the eyelid
  6. lip smacking or puckering
  7. need to keep moving
  8. puffing of the cheeks
  9. rapid or worm-like movements of the tongue
  10. restlessness
  11. shakiness in the legs, arms, hands, or feet
  12. sticking out of tongue
  13. trembling or shaking of the hands or feet
  14. trouble with breathing, speaking, or swallowing
  15. twitching, twisting, uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
  16. uncontrolled chewing movements
  17. uncontrolled twisting movements of the neck, trunk, arms, or legs
  18. unusual facial expressions
  19. weakness of the arms and legs

Less common

  1. Blurred vision
  2. dizziness
  3. headache
  4. nervousness
  5. pounding in the ears
  6. slow or fast heartbeat


  1. Black, tarry stools
  2. bleeding gums
  3. blood in the urine or stools
  4. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  5. changes in patterns and rhythms of speech
  6. coma
  7. confusion
  8. convulsions
  9. decreased urine output
  10. fast, pounding, or irregular heartbeat or pulse
  11. increased thirst
  12. muscle pain or cramps
  13. nausea or vomiting
  14. pale skin
  15. pinpoint red spots on the skin
  16. slurred speech
  17. swelling of the face, ankles, or hands
  18. troubled breathing with exertion
  19. unusual bleeding or bruising
  20. unusual tiredness or weakness

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. sleepiness or unusual drowsiness
  3. trouble sleeping
  4. unusually deep sleep
  5. unusually long duration of sleep

Less common

  1. Acid or sour stomach
  2. belching
  3. depression
  4. difficulty with moving
  5. dry mouth
  6. fear or nervousness
  7. heartburn
  8. increased appetite
  9. increased watering of the mouth
  10. increased weight
  11. indigestion
  12. irritability
  13. muscle pain or stiffness
  14. pain in the arms or legs
  15. pain in the joints
  16. stomach discomfort, upset, or pain
  17. toothache

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.