J01.90

Clinical Causes: Viral infections: Common cold viruses often lead to sinus inflammation. Bacterial infections: Secondary bacterial invasion may cause a more severe or prolonged sinusitis. Allergic reactions: Allergens such as pollen, dust, or pet dander can trigger sinus inflammation. Environmental irritants: Smoke, pollution, and chemical fumes can irritate sinus tissues. Structural issues: Deviated nasal septum or nasal polyps may obstruct normal sinus drainage.

Key Symptoms: Nasal congestion and stuffiness Facial pain or pressure around the cheeks, forehead, or between the eyes Headache, often localized to the affected sinus area Runny nose or nasal discharge, which may be thick and colored Reduced or lost sense of smell and taste Fever, in some cases Cough, especially worse at night Fatigue and general feeling of illness

Diagnosis Path: Healthcare providers typically evaluate symptoms and medical history, conducting a physical examination focused on the face, nose, and throat. They may use nasal endoscopy or imaging studies such as CT scans if needed to assess sinus blockage or inflammation. In cases where symptoms persist beyond 10 days or worsen after initial improvement, bacterial sinusitis is suspected. No specific laboratory tests are generally required unless other conditions are suspected.

Treatment Protocols: Treatment strategies aim to relieve symptoms and address underlying causes. Common approaches include: - **Pain relief:** Over-the-counter pain relievers such as acetaminophen or ibuprofen - **Nasal decongestants:** To reduce swelling and improve drainage - **Saline nasal sprays or rinses:** To clear nasal passages - **Rest and hydration:** To support immune response - **Antibiotics:** Prescribed only if a bacterial infection is suspected or confirmed (not routinely used for viral sinusitis) - **Allergy management:** Antihistamines or allergy treatments if allergies contribute to sinus issues Severe or persistent cases might require specialist interventions, including drainage procedures or steroids. It's important to follow healthcare advice tailored to individual circumstances.