Oxymetazoline

**Semantic type:** Pharmacologic Substance

**Definition:** An imidazole derivative with direct acting sympathomimetic activity. Oxymetazoline binds to and activates alpha-2 adrenergic receptors. Upon nasal or ocular administration, oxymetazoline constricts the arterioles in the nose and eye, resulting in decreased nasal and conjunctival congestion, respectively.

**Synonyms:** - OXYMETAZOLINE