a medicine used to prevent a poison or disease from having an effect

counteracting agent

a substance able to reduce the effects of poison

agent for negating the effect of an infection or poison

an action intended to reduce, remove, be a punishment for, another

cure, solution

an instance of being made healthy again

solution to problem, often health

(any kind of) medicine or ointment

cure

the scientific study of matter and energy (heat, light, force etc)

cure

a cure (for a disease etc); method used for putting something right

cure, solution