Dr. Brian T Johnson MD PL

What is nodular melanoma?Nodular melanoma is one of the five subgroups of melanoma. It usually develops in the cells of the skin that produce the pigment called melanin, which gives the skin its color. Approximately 15 percent of melanoma cases are nodular melanoma and is the most aggressive...

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...

Cellulitis is a bacterial infection, which usually occurs in the deep layers of the skin. The infection happens when bacteria enter the skin through open cuts and wounds. The infected area usually feels warm to touch, painful, red, and swollen.The most common part of the body affected by cellulitis...

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 are freckles?Freckles are flat and circular spots that are beige or brown in color. Their size is usually comparable to the size of the head of a small nail. People who have red hair and a fair complexion often have freckles because of the MC1R variant gene, which is responsible for the...

Many people think that only women suffer from yeast infections, but men can get them too, though it is much less common. This infection in men can be very painful and unpleasant.It is important to be aware of the symptoms and causes, as this can help in diagnosing and treating the infection in time...