Donnatal is a proprietary combination meication for the treatment of intestinal cramping due to various causes. It is classed as an anticholinergic antispasmodic drug. Donnatal is marketed by PBM Pharmaceuticals (a division of PBM Products) of Gordonsville, Virginia. It is available as tablets, capsules, extended release tablets and elixir. Active ingredients are listed as: phenobarbital, hyoscyamine, atropine and scopolamine.