R09.82

Clinical Causes: Allergic rhinitis (hay fever) Sinus infections (sinusitis) Common cold or influenza Environmental irritants (smoke, pollution, strong odors) Deviated nasal septum Nasal polyps Certain medications (antihistamines, birth control pills) Gastroesophageal reflux disease (GERD) Hormonal changes (pregnancy, menstruation)

Key Symptoms: A sensation of mucus constantly dripping down the back of the throat Frequent throat clearing Hoarseness or sore throat Coughing, especially at night Bad breath (halitosis) Nasal congestion or a blocked nose Postnasal discharge that may be visible or felt Sensation of a lump in the throat

Diagnosis Path: Diagnosis of postnasal drip typically involves a detailed medical history and physical examination. The healthcare provider may check for signs of allergies or sinus infections and inquire about exposure to irritants. Sometimes, visual inspection of the nasal passages using a nasal endoscope or imaging studies like CT scans are utilized to identify anatomical issues such as nasal polyps or a deviated septum. Allergy testing may also be recommended to determine specific triggers. No single test confirms postnasal drip; instead, diagnosis is based on symptoms, examination, and ruling out other conditions.

Treatment Protocols: Treatment approaches for postnasal drip aim to address the underlying cause and alleviate symptoms. Common strategies include: - **Allergy management**: Antihistamines, nasal corticosteroids, or allergy shots - **Decongestants**: To reduce nasal swelling and mucus production - **Saline nasal sprays or washes**: To rinse nasal passages and clear mucus - **Treating sinus infections**: Antibiotics if bacterial infection is diagnosed - **Managing reflux**: Lifestyle changes and medications to reduce stomach acid - **Avoiding irritants**: Reducing exposure to smoke, pollution, and strong odors - **Hydration**: Increasing fluid intake to thin mucus In some cases, medical procedures such as surgical correction of nasal structural problems might be recommended. Consistent follow-up with a healthcare provider ensures appropriate management and relief of symptoms.