Dr. Yuchi C Chang M.D.

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

Blisters can occur for numerous reasons. Although they are not often serious, the appearance of blisters itself can be very off-putting. A blister is a fluid-filled bubble that develops under the skin. The watery liquid under the blister is often clear, which is called serum.When blisters break, the...

Ingrowing hairs are cyst like cavities that trap hair that grows abnormally into the skin instead of growing out of the follicle. They form almost anywhere in the body but are usually seen at sites where hair is removed through shaving, waxing or peeling. Their presence is visually distracting, the...

PurpuraPurpura refers to purple-colored spots that are usually seen on the skin, including mucous membranes and other organs. It is also called skin hemorrhages or blood spots.Purpura is usually recognized when there is pooling of blood under the skin due to ruptured small blood vessels. The size of...

Cold sores are inflamed fluid-filled blisters, which appear in clusters on and around the mouth or lips. They can be seen when a person has a weakened immune system during fever, cold, or any other disease. Usually, cold sores are not harmful and should heal on their own within two to four weeks...

Irritation and itching are two common symptoms of eczema. Whether diets are helpful to alleviate these symptoms is still not yet clear. Many studies that tried to associate diet and eczema have had contradictory results. Some studies show that eczema is related to food allergies, but many people...