Have you been dealing with a runny nose, headaches, muted hearing and postnasal drip? It could be sinusitis. Sinusitis occurs when inflammation or infection causes swelling in the tissues that line the paranasal sinuses. When these two pairs of air-filled cavities become inflamed, it can cause a lot of discomfort. Because a number of conditions share symptoms with sinusitis, it's important to see your health care provider for an accurate diagnosis and treatment plan. Click the link in our bio to learn more.