Post Nasal Drip: Clinical Meaning

Sinusitis

Sinusitis is inflammation of the sinuses, often following a cold or allergy. It causes facial pain, nasal congestion, thick nasal discharge, and reduced sense of smell. Acute sinusitis lasts up to 4 weeks; chronic sinusitis persists over 12 weeks.

Chronic Sinusitis

Chronic sinusitis is sinus inflammation lasting more than 12 weeks, causing nasal congestion, facial pressure, postnasal drip, and reduced sense of smell. It is subdivided into forms with and without nasal polyps; treatment includes nasal steroids, saline irrigation, and sometimes surgery.