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

More common—for cervical dystonia

  1. Difficulty with swallowing
  2. muscle or bone pain
  3. muscle weakness
  4. pain in the neck

More common—for blepharospasm

  1. Dry eyes

Rare—for glabellar lines

  1. Itching, pain, redness, or swelling at the injection site
  2. pain in the face
  3. swelling of the eyelids

Incidence not known

  1. Changes in patterns and rhythms of speech
  2. fast heartbeat
  3. fever
  4. hives
  5. hoarseness
  6. irritation
  7. itching
  8. joint pain, stiffness, or swelling
  9. muscle spasm
  10. pain at the injection site
  11. rash
  12. redness of the skin
  13. shortness of breath
  14. slurred speech
  15. swelling of the eyes or eyelids
  16. swelling of the face, lips, hands, or feet
  17. tightness in the chest
  18. trouble with speaking
  19. troubled breathing or swallowing
  20. wheezing

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—for cervical dystonia

  1. Chills
  2. cough
  3. lower back or side pain
  4. painful or difficult urination

More common—for blepharospasm

  1. Blurred vision
  2. diarrhea
  3. drooping upper eyelids
  4. dry mouth
  5. headache

Less common—for blepharospasm

  1. Difficult or labored breathing
  2. muscle aches
  3. sneezing
  4. sore throat
  5. stuffy or runny nose
  6. unusual tiredness or weakness

Rare—for glabellar lines

  1. Drooping of the eyelids
  2. increased blinking
  3. twitching of the eyelids

Incidence not known

  1. Difficulty with moving
  2. joint pain
  3. muscle aching or cramping
  4. muscle pains or stiffness
  5. nausea
  6. painful blisters on the trunk of the body
  7. swollen joints

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.