Sinusitis is an inflammation of the tissues in your sinuses (spaces in your forehead, cheeks and nose usually filled with air). It causes facial pain, a stuffy or runny nose, and sometimes a fever …

Aug 29, 2023 · Overview Acute sinusitis causes the spaces inside the nose, known as sinuses, to become inflamed and swollen. Acute sinusitis makes it hard for the sinuses to drain. Mucus …

Jan 28, 2025 · A sinus infection occurs when your nasal cavities become swollen, infected, or inflamed. Learn about the symptoms and how to treat them.

These are the most common symptoms of sinusitis: Runny nose that lasts longer than 7 to 10 days. The discharge is often thick green or yellow, but can also be clear. The symptoms of …

Nov 22, 2025 · Sinusitis, also known as a sinus infection, can cause symptoms such as facial pain, congestion, and headache. Learn about the causes, duration, and treatment options for …

Jun 29, 2025 · Sinusitis (inflamed sinuses) is sometimes caused by an infection, but there are several types (such as chronic or recurrent). Find all the symptoms.

Jul 16, 2025 · Sinus infections can cause facial pain and pressure, headaches, congestion, and discolored mucus. People may find it difficult to determine if their symptoms are caused by a …

Dec 7, 2025 · Common sinus infection symptoms include post-nasal drip, nasal congestion, and facial pain. Most sinus infections improve within 4-5 days without antibiotics. Seek medical …

Dec 11, 2025 · Acute sinus infections often start with allergies or a viral infection. Recurrent sinus infections occur when you have multiple sinus infections over a year. Complications of sinus …

Sinusitis is most often caused by a viral, fungal or bacterial infection. But certain conditions place you at increased risk, such as: Infections. Any infection that causes inflammation in the …