Oxyphenonium bromide is an

antimuscarinic A muscarinic receptor antagonist (MRA) is a type of anticholinergic agent that blocks the activity of the muscarinic acetylcholine receptor. The muscarinic receptor is a protein involved in the transmission of signals through certain parts of th ...

drug. It is used to treat

gastric The stomach is a muscular, hollow organ in the gastrointestinal tract of humans and many other animals, including several invertebrates. The stomach has a dilated structure and functions as a vital organ in the digestive system. The stomach i ...

and duodenal ulcers and to relieve visceral spasms.

References

Muscarinic antagonists Quaternary ammonium compounds Bromides Tertiary alcohols Carboxylate esters {{gastrointestinal-drug-stub