Sinusitis is an inflammation of the paranasal sinuses. Sinusitis can stem from an upper respiratory infection caused by a variety of bacteria. As a result, nasal mucous membranes swell and block the ostium of the paranasal sinus. A painful pressure occurs from an...
Acute inflammation of the throat or pharyngitis can be related to the common cold, influenza, or a more serious condition such as mononucleosis. The Epstein-Barr virus of mononucleosis or the streptococcus bacteria in the condition of scarlet fever or tonsillitis can...
Influenza, commonly known as the flu, is one of the most persistent and debilitating diseases. It mainly occurs in various forms as a yearly epidemic, causing severe illness among the populace. Influenza is caused by myoviruses classified as type A, B, and C. Type A...
Hay fever or pollinosis, is an acute seasonal allergic reaction to the air-borne pollens. Hay fever can occur during the spring as a reaction to the tree pollens such as oak, elm, maple, alder, birch and cottonwood. During the summer grass and weed pollens are the...
Infectious mononucleosis is an acute viral disease that effects mostly young adults and children. Infectious mononucleosis, commonly called “mono”, is caused by the Epstein-Barr virus (EBV), a member of the herpes group. It has a major impact on athletes...