Atropine and Counterpoison

Atropine noun - A poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides.

Counterpoison and atropine are semantically related. In some cases you can use "Counterpoison" instead a noun "Atropine".

Counterpoison noun - A remedy that stops or controls the effects of a poison.

Atropine and counterpoison are semantically related. Sometimes you can replace term "Atropine" with "Counterpoison", this nouns are similar.