This is the list for fictional poisons. Fictional poisons are the toxins that are used to hurt or kill on an individual scale.
Fictional chemical weapons
This is the list of fictional chemical weapons. Fictional chemical weapons are toxins that are used on large scale, by either military, paramilitary or terrorist organizations.
While real-world mutagens produce genetic alterations, or mutations, fictional substances often produce sudden, visible changes in the morphology of organisms. The list below therefore includes fictional substances that produce such effects, as well as more plausible mutagens.