Beperidium iodide is primarily used in medical settings as an anticholinergic agent. It is often employed to manage conditions related to excessive acetylcholine activity, such as gastrointestinal spasms, peptic ulcers, and certain types of poisoning. Additionally, it can be utilized in preoperative settings to reduce salivary and bronchial secretions, ensuring a safer and more controlled anesthesia process. Its ability to relax smooth muscles makes it valuable in treating urinary incontinence and other bladder-related disorders. In ophthalmology, it is sometimes used to dilate pupils during eye examinations or surgeries.