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Cold Sores What Causes Cold Sores? Cold sores are caused by a virus known as herpes simplex one, or HSV-1. When a person is first infected with the cold sore virus, it may cause no symptoms at all. This initial infection usually happens during childhood. The infection could cause a slight fever or generalized feeling …
Chickenpox Vaccine Can Prevent Spread of Chickenpox Chickenpox (its medical name is varicella) is a common and contagious disease caused by the varicella-zoster virus. (In later life, a second exposure to this same virus can cause a painful skin condition known as herpes zoster or shingles.) Chickenpox is usually mild, but can have serious consequences. …
Cellulitis Antibiotics Will Treat Infected Skin Cellulitis is an inflammation of the skin and connective tissue under the skin. It usually appears after a break in the skin allows bacteria to enter the body. A serious infection may then result from this bacterial invasion. Once infected, the tissues surrounding the infected area become swollen. The …
Cataracts A cataract is an area of cloudiness in the lens of the eye, and the result is that light is blocked from entering the eye. Cataracts grow slowly over time and will cause progressive vision loss. Cataracts most often develop in people over 50; about 70% of those 75 and older have cataracts that …
Cataracts Cloudy Lens A cataract is a condition in which the lens of the eye becomes opaque or cloudy, making vision difficult. Cataracts are painless and usually cause a slow, gradual loss of vision in the affected eye. Cataracts are common in elderly persons, but they may also be caused by some drugs, especially corticosteroids. …
Carpal Tunnel Syndrome A Painful Nerve Ailment The carpal tunnel is a passageway that permits entry of the median nerve from the wrist into the hand. Carpal tunnel syndrome is a painful ailment that occurs when tendons in the tunnel swell and compress the median nerve, thus causing loss of nerve function in the fingers …
Coronary Artery Bypass Surgery Blood Flow Bypasses Diseased Arteries One of the most common major operations performed each year in the United States is coronary artery bypass graft (CABG) surgery. This surgery is indicated for patients with serious coronary artery disease that has caused the arteries that supply blood to the heart muscle (coronary arteries) …
Bursitis Joint Damage Must Be Avoided Bursitis and tendonitis are two painful injuries that often result from overuse of a joint or tendon, leading to inflammation, swelling and tenderness in the injured area. These conditions usually require a doctor’s examination to make certain there is no infection present. Drug therapy consists of oral anti-inflammatory drugs …
Treating Burn Wounds Infection Can Be a Problem More than two million major burn accidents occur each year in the U.S. Burns are classified by their severity. Most first degree burns can be treated at home; second and third degree burns smaller than three inches in diameter may often be treated at home. All third …
Bronchitis Mucus Blocks Airways Bronchitis is an inflammation of the lining of the large airways in the lungs. The airways include the trachea and bronchioles (the “tracheobronchial tree”). In acute bronchitis, inflammation is usually the result of an infection in the respiratory tract, caused by a cold or flu virus, or, less often, bacteria. Chronic …