Myobloc

What is this medication?

Myobloc is a prescription injection containing rimabotulinumtoxinB, which belongs to a class of medications known as neuromuscular blocking agents. It is primarily used to treat adults with cervical dystonia, a neurological condition characterized by severe involuntary muscle contractions in the neck and shoulder area. These spasms often cause the head to twist or tilt into painful, abnormal positions. By interfering with the nerve signals that trigger muscle movements, Myobloc helps to relax the targeted muscles and provide relief from associated pain and physical discomfort.

Beyond its use for muscle spasms, Myobloc is also approved to treat chronic sialorrhea, commonly referred to as excessive drooling, in adult patients. When utilized for this condition, the medication is injected directly into the salivary glands to decrease the overproduction of saliva. The treatment is administered by a qualified healthcare professional, and the effects are localized to the specific area where the injection is given. Since the clinical benefits are temporary, most patients require ongoing maintenance treatments every few months to manage their symptoms effectively.