Oxymetazoline Hydrochloride

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** The hydrochloride salt form of oxymetazoline, an imidazole derivative with a direct acting sympathomimetic property. 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:** - Afrin - OXYMETAZOLINE HYDROCHLORIDE - Ocuclear - Visine L.R.