Which compound is known for reversing poisoning caused by strychnine?

Curare is known for its role in reversing the effects of strychnine poisoning due to its action as a neuromuscular blocking agent. Strychnine is a potent neurotoxin that interferes with the inhibitory neurotransmitter glycine, leading to severe muscle contractions and spasms. Curare works by blocking neuromuscular transmission, which can help alleviate the severe muscle spasms caused by strychnine.

Curare is traditionally derived from plants used by indigenous peoples for hunting, and it acts primarily at the neuromuscular junction. In cases of strychnine poisoning, the administration of curare can mitigate the symptoms by preventing further excitatory signals from causing continuous muscle contraction.

While other compounds listed, such as brucine and cocaine, have their own effects and uses, they do not specifically serve the purpose of reversing strychnine toxicity in the same manner as curare does. Brucine is chemically related to strychnine and does not effectively counteract its poisoning effects; in fact, it can produce similar symptoms. Cocaine is a stimulant and has completely different mechanisms of action, which do not relate to muscle relaxation or poison reversal. Hyoscyamine is an anticholinergic