Dr. Paul E. Harrison M.D.

Immunotherapy, in general, is a treatment process that uses some medications to activate an individual's own immune system to effectively recognize and kill cancer cells. Immunotherapy for melanoma is based on the principle that a person’s own immune system is able to generate an immune response...

What is petechia?The definition of petechia falls under the category of hemorrhaging. A petechia, or more commonly used in Latin plural, petechiae, are microscopically small dots which appear beneath the skin surface in red, brown or purple color. We refer to them in plural because they are barely...

What is Ringworm? Ringworm is a fungal skin disease. The fungi live on the skin surface and skin follicle. They feed on dead skin tissue and hair. The most predominant fungus that can cause ringworm is Microsporum canis, which can affect the superficial layer of hair, nails, and skin. Medically,...

Heat rash is a condition of the skin that causes rashes. Heat rash is also referred to as miliaria or prickly heat. The condition is mostly caused excess sweating. This is mostly brought about by staying in areas with a lot of heat. Miliaria is known to affect most children. It affects all ages...

Dermal FillersDermal fillers are used to improve the appearance of scars that have recessed. Common substances that are used as fillers and injected into the scars include collagen, hyaluronic acid, and fat. However, in order to maintain this look, you need to have injections repeatedly unless you...

What is macerated skin?Maceration usually occurs when the skin comes in contact with moisture for a long period of time. Macerated skin appears white, wrinkly, and soggy. The skin also becomes soft, making it more susceptible to bacterial or fungal infections. In some cases, macerated skin can...