Daily Natural Remedies Natural Lifestyle Tips. 10 Natural Remedies for a Sinus Infection. A sinus infection may often be mistaken for a bad cold but is a common health problem. In fact, sinusitis is an inflammation and congestion of the nasal passages. The condition may be triggered by a number of causes such as airborne allergens, dietary irritants, common pollutants, viruses, polyps, or even the overuse of nasal products in some cases.
1 Inflammation, such as from pressure on the bursa or from inflammatory conditions. This is the most common cause of olecranon bursitis.  A sudden injury, such as a blow to the elbow, causing bleeding or fluid buildup.
Olecranon bursitis. Olecranon bursitis (student's elbow) is an inflammation of the olecranon bursa at the proximal aspect of the posterior ulna. It can be caused by trauma, infection, prolonged pressure, or other conditions that may cause inflammation. The bursa becomes swollen and is often painful.