J01.41

Clinical Causes: Viral infections such as the common cold Bacterial infections that develop following a viral illness Allergic reactions that cause sinus swelling Structural issues like nasal polyps or a deviated nasal septum Environmental factors such as exposure to pollutants, smoke, or irritants A weakened immune response that makes infections more likely

Key Symptoms: Persistent or recurrent nasal congestion Facial pain or pressure, especially around the cheeks, forehead, or eyes Mucopurulent nasal discharge (thick nasal mucus that may be yellow or green) Reduced or lost sense of smell Headache that worsens with bending forward Fever, occasionally accompanied by chills Fatigue and general feelings of illness

Diagnosis Path: Diagnosis usually involves a thorough medical history and physical examination by a healthcare professional. The doctor may examine the nose, throat, and sinuses for signs of inflammation. Imaging tests such as a CT scan are often used to identify sinus inflammation, anatomical abnormalities, or blockages. In some cases, nasal endoscopy may also be performed to get a direct view of the nasal passages and sinuses. Laboratory tests, including nasal swabs or fluid cultures, can help determine if bacteria or viruses are involved.

Treatment Protocols: Decongestants to relieve nasal congestion and promote sinus drainage Nasal corticosteroids to reduce inflammation inside the sinuses Saline nasal sprays or rinses to help clear mucus Pain relievers such as acetaminophen or NSAIDs for discomfort Antibiotics, prescribed if a bacterial infection is diagnosed or suspected Treating underlying allergies with antihistamines or allergy medications Surgical interventions, like sinus drainage or correcting structural abnormalities (e.g., nasal polyps or deviated septum), if indicated Lifestyle adjustments, including avoiding known irritants and using a humidifier Adequate hydration and rest to support the immune system