Liquor Bismuth Ammonium Citrate is ammoniocitrate of bismuth; an intestinal astringent. Belladonna (or deadly nightshade) as anticholinergic properties. Anticholinergics are used in the treatment of such things like stomach cramps (like those associated with irritable bowel syndrome) and incontinence (urinary leakage) in that it relaxes the smooth muscle of the bowels and bladder. Thymol is a phenolic compound with antiseptic and antibacterial properties. Menthol gives a sensation of coolness.