Botulinum Toxin Injection Therapy (BOTOX)
Botulinum toxin injection therapy (also known as "BOTOX therapy" or onabotulinumtoxinA) is used to treat dystonia - neuromuscular disorder that produces involuntary muscle contractions, or spasm - that affects muscles that control movement in the eyes, neck, face, limbs, voice box, or the smooth muscle in the bladder. The goal of the therapy is to reduce muscle spasm and pain.