A sinus infection, also known as sinusitis, occurs when the tissues lining the sinuses become inflamed or swollen. It often follows a common cold or allergy episode and can cause uncomfortable symptoms like facial pain, nasal congestion, headaches, and pressure around the eyes or cheeks. Understanding what causes sinus infections and how to prevent them after a cold can help you protect your respiratory health and avoid unnecessary discomfort. If you’re experiencing symptoms of ...
