Oxyphenonium

**Definition:** A quaternary ammonium anticholinergic agent with peripheral side effects similar to those of ATROPINE. It is used as an adjunct in the treatment of gastric and duodenal ulcer, and to relieve visceral spasms. The drug has also been used in the form of eye drops for mydriatic effect.

**Tree numbers:** - D02.092.877.648 - D02.675.276.648

**Synonyms:** - Oxyphenon - Methacin - 2-((Cyclohexylhydroxyphenylacetyl)oxy)-N,N-diethyl-N-methylethanaminium - Metacin