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CME ARTICLE
Year : 2010  |  Volume : 55  |  Issue : 1  |  Page : 8-14

Botulinum toxin


1 Department of Dermatology and STD, Pt. J.N.M. Medical College and Assoc. Dr. B.R.A.M. Hospital, Raipur - 492 001, India
2 Department of Surgery, Pt. J.N.M. Medical College and Assoc. Dr. B.R.A.M. Hospital, Raipur - 492 001, India

Correspondence Address:
P K Nigam
Prof. and Head, Department of Dermatology and STD, Pt. J.N.M. Medical College and Assoc. Dr. B.R.A.M. Hospital, Raipur - 492 001, (C.G.)
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5154.60343

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Botulinum toxin, one of the most poisonous biological substances known, is a neurotoxin produced by the bacterium Clostridium botulinum. C. botulinum elaborates eight antigenically distinguishable exotoxins (A, B, C 1 , C 2 , D, E, F and G). All serotypes interfere with neural transmission by blocking the release of acetylcholine, the principal neurotransmitter at the neuromuscular junction, causing muscle paralysis. The weakness induced by injection with botulinum toxin A usually lasts about three months. Botulinum toxins now play a very significant role in the management of a wide variety of medical conditions, especially strabismus and focal dystonias, hemifacial spasm, and various spastic movement disorders, headaches, hypersalivation, hyperhidrosis, and some chronic conditions that respond only partially to medical treatment. The list of possible new indications is rapidly expanding. The cosmetological applications include correction of lines, creases and wrinkling all over the face, chin, neck, and chest to dermatological applications such as hyperhidrosis. Injections with botulinum toxin are generally well tolerated and side effects are few. A precise knowledge and understanding of the functional anatomy of the mimetic muscles is absolutely necessary to correctly use botulinum toxins in clinical practice.


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