Antidotes are agents that negate the effect of a poison or toxin. Antidotes mediate its effect either by preventing the absorption of the toxin, by binding and neutralizing the poison, antagonizing its end-organ effect, or by inhibition of conversion of the toxin to more toxic metabolites.

What can neutralize poison?

activated charcoal – sometimes used to treat someone who's been poisoned; the charcoal binds to the poison and stops it being further absorbed into the blood. antidotes – these are substances that either prevent the poison from working or reverse its effects. sedatives – may be given if the person is agitated.

Do Bezoars actually cure poison?

Paré administered the bezoar stone to the cook, but it had no effect, and the cook died in agony seven hours after taking the poison, proving that contrary to popular belief, the bezoar could not cure all poisons.