There are multiple causes of<unk> , which can be acute or chronic. Allergic rhinitis Allergic rhinitis (AR) is a common condition where exposure to allergens results in the release of inflammatory mediators, such as histamine, that causes sneezing, rhinorrhea, itchy eyes, and nasal congestion. The increased rhinorrhea and mucus production can result in<unk> . Non-allergic rhinitis Non-allergic rhinitis (NAR) is a condition in which there are symptoms of rhinitis, including rhinorrhea and nasal obstruction, but with negative skin and serum allergy testing results. It can be further categorized into: * Non-allergic rhinitis with eosinophilia (NARES) * Hormonal rhinitis (such as during pregnancy) * Medication-induced rhinitis * Atrophic rhinitis * Irritant and occupational rhinitis (including tobacco smoke, cleaning supplies, etc.) * Idiopathic nonallergic rhinitis Rhinosinusitis Rhinosinusitis is inflammation or infection of the sinus cavities. Acute rhinosinusitis has symptoms lasting less than four weeks, while chronic rhinosinusitis lasts greater than 12 weeks. This persistent irritation can lead to increased mucus production as a result of pro-inflammatory pathways, producing symptoms of<unk> .
Post-nasal drip
Nasal congestion
Burning mouth syndrome
Epiglottitis
Croup
Rhinosinusitis
Hajj Cough
Nasal polyp