Delta Airlines states that each person has small pockets of air located throughout the sinus cavity. If those pockets become inflamed from a sinus infection it can lead to complications while flying. Flying with a sinus infection is not recommended by MedlinePlus and should be avoiding if possible.

Sinus infections can occur from virus, fungus or bacteria, and from inflammation caused by allergy or abnormal growths. Signs and symptoms of a maxillary sinus infection can appear suddenly and resolve on their own, or can become chronic and require treatment.

Vitamin C is beneficial to the body’s ability to grow and repair itself. The absorption of iron; the growth and repair of gums, teeth, blood vessels and bones; and a well-functioning immune system all rely on the dietary intake of vitamin C.

A sinus infection during pregnancy can make you miserable. The yellow or green nasal discharge, congestion, fever, headache, facial tenderness, cough and sore throat that are classic symptoms will make you want to take medication and make it all go away.

Sinusitis describes inflammation of lining of the sinuses, air-filled spaces in the facial bones around the nose and eyes. Thirty million cases of sinusitis are diagnosed annually in the U.S., according to the Centers for Disease Control and Prevention.

Mucinex, whose generic name is guaifenesin, loosens up phlegm or mucus in your chest and throat, making it easier to cough it out. The expectorant is used to treat congestion due to infection, allergies or colds.

According to the University of Maryland, most sinus infections are caused by bacteria, which are easily treated with prescribed antibiotics. In rare cases, a sinus infection may cause dangerous complications if not properly treated.