Scopolamine hydrobromide trihydrate is a hydrate that is the trihydrate form of scopolamine hydrobromide. It has a role as a mydriatic agent, a muscarinic antagonist, an anaesthesia adjuvant, an antispasmodic drug and an antiemetic.

Thiocolchicoside is a muscle relaxant with anti-inflammatory and analgesic effects. It acts as a competitive GABAA receptor antagonist and also glycine receptor antagonist with similar potency and nicotinic acetylcholine receptors to a much lesser extent.

Cimetropium is a semi-synthetic belladonna alkaloid and derivative of scopolamine. It is a potent antimuscarinic and an effective antispasmodic drug. It is also endowed of a direct myolitic action which partially accounts for its antispasmodic activity. 

Methocarbamol is a medication used for short-term musculoskeletal pain. It may be used together with rest, physical therapy and pain medication. It is less preferred in low back pain. It has limited use for rheumatoid arthritis and cerebral palsy.