Sinuses are structures inside your face that are normally filled with air. Bacterial infections, viral infections and allergies can irritate them, causing them to get blocked and filled with fluid. This can …

Apr 17, 2024 · When you have a sinus infection, one or more of your sinuses becomes inflamed. Fluid builds up, which can cause congestion and runny nose.

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.

Dec 7, 2023 · One of the most common causes of nasal infections is viral infections.

Aug 29, 2023 · Acute sinusitis can make it hard to breathe through the nose. The area around the eyes and the face might feel swollen. There might be throbbing face pain or a headache. The common …

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 sinusitis in …

What Is Sinus Infection (Sinusitis)? Symptoms of sinus infection include pain in the forehead or between the eyes, toothache, feeling of fullness in the mid-face, stuffy nose, and congestion. The sinuses …

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 sinus …

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 care if your...

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 …