remedy

https://doi.org/10.1351/goldbook.16042
Anything, such as a medicine or therapy, that relieves pain, cures disease, or corrects a disorder.
Source:
PAC, 2007, 79, 1153. (Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)) on page 1298 [Terms] [Paper]