Causes of a chronic cough, which persists for more than eight weeks, include air pollution, asthma or allergies, chronic obstructive pulmonary disease (COPD), and gastroesophageal reflux disease ...

Sinusitis can cause facial pressure, sinus headache, and other symptoms. Treatment may depend on the cause. A sinus infection, also known as sinusitis or rhinosinusitis, occurs when your nasal ...

Non-cancerous growths in the nasal passages or sinuses can obstruct airflow, causing chronic congestion and loss of smell. Surgical removal of these polyps improves nasal drainage and reduces ...