The American Rhinologic Society defines a sinus cyst, or nasal polyp, as small non-cancerous growths in the sinuses. Sinus cysts can cause minor to severe nasal obstruction leading to conditions such as chronic sinusitis or chronic post-nasal drip.

Sinus infections can be uncomfortable, and many people with this condition scramble to their local drugstore as quickly as possible to find relief. For breastfeeding mothers, treating a sinus infection is not so simple. Medications can not only affect the mother, but the nursing baby as well.

Clogged sinuses not only disrupt breathing, they also interfere with our enjoyment of food. Clogged sinuses also cause headaches and uncomfortable pressure behind the eyes. In addition to over-the-counter decongestants, there are several ways to clear and drain the sinuses and restore normal breathing.

Sinus congestion, or a stuffy nose, often accompanies sinusitis, but the former can occur for other reasons, such as a cold. Chronic sinusitis is more prevalent than heart disease or asthma and affects 37 million Americans every year, according to Mountain States Health Alliance.

Sinus pressure and nausea are common symptoms of a wide variety of illnesses and often occur together. Sinuses are moist air spaces in the skull, behind the face. The spaces may fill with fluid, causing pressure behind the eyes, cheekbones and nose.

Sinusitis, or a sinus infection, is a common medical condition that affects 10 million to 15 million people each year, notes the Merck Manual Home Health Handbook. Characterized by pain or pressure between the eyes and around the forehead and nose, the condition can last weeks or months.

Eating high-antioxidant, anti-inflammatory fruits can contribute to a healthy immune system and aid the body in fighting off infection. If you suffer from chronic sinus infections, avoid foods such as dairy, gluten, sugar and processed foods.

Changes in altitude from mountain climbing, diving and air travel can lead to headaches in the facial area. Obstruction by mucous, nasal polyps or abnormalities in the nasal passages may block the small air cavities inside the cheekbones, behind the bridge of nose and just over and behind the eyes.

When a baby contracts a cold, the linings of her nose and sinus cavities become swollen. Often, when the baby recovers from the cold, the swelling disappears.

A pilonidal cyst is a small pouch or sac in the skin that commonly forms on the tailbone at the top of the buttocks. These cysts can fill with debris such as dead hair which pushes through the skin, creating a sinus cavity that can easily become infected.

Smelly mucus in the nose may be a sign that you have a sinus infection, also called sinusitis. The American Academy of Otolaryngology -- Head and Neck Surgery reports that a history of thick drainage that's foul smelling and tasting is a symptom of chronic sinusitis.

Running isn’t the typical remedy that most people think of when it comes to helping to alleviate symptoms of a sinus infection, but running can help to temporarily relieve nasal congestion.