Ketotifen

**Definition:** A cycloheptathiophene blocker of histamine H1 receptors and release of inflammatory mediators. It has been proposed for the treatment of asthma, rhinitis, skin allergies, and anaphylaxis.

**Tree numbers:** - D02.886.778.370 - D03.383.621.370 - D03.383.903.370

**Synonyms:** - 4,9-Dihydro-4-(1-methyl-4-piperidylidene)-10H-benzo(4,5)-cyclohepta(1,2-b)thiophen-10-one - Ketotifene - Ketotiphen - Ketotiphene