Donnatal is a proprietary combination medication for the treatment of intestinal cramping due to various causes, often administered as part of a GI Cocktail. It is classed as an anticholinergic antispasmodic drug. Donnatal is marketed by PBM Pharmaceuticals. It is available as tablets, capsules, extended release tablets and elixir. Active ingredients are listed as: phenobarbital, hyoscyamine, atropine and scopolamine. The latter three ingredients being found in plants of the datura variety, a deliriant sometimes used recreationally, though the experience is often considered unpleasant.