acamprosate

noun

acam·​pro·​sate ə-ˈkam-prə-ˌsāt 

variants or acamprosate calcium

: a drug C₁₀H₂₀N₂O₈S₂Ca that is taken orally as a tablet to maintain abstinence from alcohol during the treatment of alcohol dependence

Acamprosate works well only if patients stop drinking before treatment.

—Temma Ehrenfeld, Newsweek