baclofen

noun

1. (uncountable)A particular drug used to control spasms. It is a derivative of gamma-aminobutyric acid (GABA). It is primarily used to treat spasticity and is in the early stages of use for the treatment of alcoholism.

   “And most neurologists are in the habit of prescribing antispasticity drugs like tizanidine and baclofen, which are oral and inexpensive, but which cause drowsiness and weaken every muscle in the body, not just the target ones.”