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What is botulinum neurotoxin?

Botulinum neurotoxin is made from the bacterium Clostridium botulinum. It is a nerve blocker that binds to the muscle nerves. The neurotoxin prevents the release of acetylcholine, a neurotransmitter that tells your muscles to contract. When this signal is blocked, muscle spasms are significantly reduced or eliminated.

Botulinum neurotoxin is injected into specific muscles. It helps relax muscles and reduce excessive muscle contractions.

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