About drug antidotes:
Protamine sulfate neutralizes the anticoagulant activity of heparin
Naloxone is a specific antagonist of morphinomimetics
Prothrombin factors are the antidote for clopidogrel
N-acetyl-cysteine ​​is the antidote to acetylsalicylic acid
Flumazenil is an antagonist of benzodiazepines and related molecules