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Botulinum toxin A is a protein produced by the bacteria Clostridium botulinum, the same bacteria that causes botulism food poisoning. When injected into muscle in tiny amounts, botulinum A (Botox) can stop or reduce muscle spasm by blocking nerve signals to the muscle. This treatment has been used since the early 1990s to relieve severe muscle spasms around the eyes and in the neck, arms, legs, hands, and feet. Some people withcerebral palsyhave gained significant relief from severe muscle contraction with botulinum toxin injections.
Botulinum toxin A has been tried as a treatment for chroniclow back pain. Although this practice is experimental and not well tested, it has shown promise. For example, in one small study of 31 people with chronic low back pain, botulinum A injection was compared to saline injection into painful back muscles. Pain relief was reported by most people as lasting 3 to 4 months.footnote 1
The small size of the study makes it impossible to guarantee that botulinum toxin injection is an effective and safe treatment for you.
Talk to your doctor about the risks and benefits of this medicine and itsunlabeled use. Severe side effects have been reported.
CitationsWaseem Z, et al. (2011). Botulinum toxin injections for low-back pain and sciatica (Review). Cochrane Database of Systematic Reviews (1).
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineAdam Husney, MD - Family MedicineKathleen Romito, MD - Family MedicineSpecialist Medical ReviewerNancy E. Greenwald, MD - Physical Medicine and Rehabilitation
Current as ofNovember 29, 2017
Current as of: November 29, 2017
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Adam Husney, MD - Family Medicine & Kathleen Romito, MD - Family Medicine & Nancy E. Greenwald, MD - Physical Medicine and Rehabilitation
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