Polyvinylpyrrolidone-Sodium Hyaluronate Gel

**Semantic type:** Pharmacologic Substance

**Definition:** An oral bioadherent gel containing polyvinylpyrrolidone (PVP) and sodium hyaluronate with muco-protective activity. Upon oral application, this gel adheres to the mucosal surface of the mouth and throat, forming a thin layer that acts as a barrier to protect exposed and sensitized nerve endings from the painful stimuli associated with eating, drinking, and talking.

**Synonyms:** - Gelclair - Gelclair - polyvinylpyrrolidone-sodium hyaluronate gel