Drug results: 3
| picrotoxin | A noncompetitive antagonist at GABA-A receptors and thus a convulsant. Picrotoxin blocks the GAMMA-AMINOBUTYRIC ACID-activated chloride ionophore. Although it is most often used as a research tool, it has been used as a CNS stimulant and an antidote in poisoning by CNS depressants, especially the barbiturates. | |
| nefiracetam | antagonizes amnestic effects of picrotoxin or bicuculline; structure given in first source |
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| picrotin | the less toxic component of picrotoxin lacking GABA activity |
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