Myobloc: Uses and Side Effects

Myobloc (Myobloc), also called botulinum toxin type B, is made from the bacteria that causes botulism. Botulinum toxin blocks nerve activity in the muscles, causing a temporary reduction in muscle activity.

Myobloc is used to treat cervical dystonia (severe spasms in the neck muscles).


Side Effects

Common side effects may include:

  • pain or muscle weakness near where the medicine was injected;
  • headache, joint or back pain;
  • dry mouth, nausea, upset stomach;
  • fever, cough, sore throat, flu symptoms;
  • pain or stiffness in your neck; or
  • dizziness, drowsiness, anxiety.


Keyword: Myobloc.

* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.