|AHFS/Drugs.com||International Drug Names|
|Chemical and physical data|
|Molar mass||500.548 g·mol−1|
|3D model (JSmol)|
Tritoqualine, also known as hypostamine, is an inhibitor of the enzyme histidine decarboxylase and therefore an atypical antihistamine, used for the treatment of urticaria and allergic rhinitis with no known adverse effects.