Botulinum toxin is made from a type of bacteria. It is a toxin that affects nerves. An injection puts this toxin into muscle. There, it blocks the release of the chemical signal from the nerves to muscles. This will decrease the muscle contraction.

Botulinum toxin is used for cosmetic and medical reasons. The injection process is often called botox injection, although any brand of the botulinum toxin may be used.

The injection is FDA-approved to treat:

The injection has also been used to treat other conditions, such as:

  • Tension headaches
  • Achalasia —spasm of esophageal muscles causing difficulties in swallowing
  • Spasmodic dysphonia
  • Muscle spasms due to cerebral palsy
  • Spasticity associated with multiple sclerosis
  • Spasticity in leg and arm muscles due to brain injury/stroke
  • Focal limb dystonias
  • Incontinence due to bladder problems
  • Anal sphincter disorders
  • Peripheral nerve pain
  • Temporomandibular disorder (jaw disorder)
Strabismus
Lazy eye
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