Baclofen

Baclofen also known as β-(4-chlorophenyl)-γ-aminobutyric acid (β-(4-chlorophenyl)-GABA) and sold under the brand name Lioresal among others is a central nervous system depressant used as a skeletal muscle relaxant. It is primarily used to treat spasticity. It is also used by compounding pharmacies in topical pain creams as a muscle relaxant.