Benactyzine hydrochloride is primarily used in the field of medicine as an anticholinergic agent. It functions by blocking the action of acetylcholine, a neurotransmitter in the nervous system. This property makes it effective in treating certain gastrointestinal disorders, such as irritable bowel syndrome, by reducing spasms and motility in the digestive tract. Additionally, it has been explored for its potential use in managing symptoms of anxiety and depression, although its application in psychiatry is less common today. The compound’s ability to modulate the central nervous system also contributes to its use in research settings for studying cholinergic pathways and their role in various physiological and pathological processes.