A remedy for all diseases, evils, or difficulties; a cure-all.
[Latin panaca, from Greek panakeia, from panaks, all-healing : pan-, pan- + akos, cure.]
Noun 1. panacea - hypothetical remedy for all ills or diseases; once sought by the alchemists
curative, cure, remedy - a medicine or therapy that cures disease or relieve pain
elixir - a substance believed to cure all ills
My panacea is a hot bath, for someone who doesn't take drugs this seems to work best for me.