Dr. Craig D Urban M.D.

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...

Eczema is the collective name of a number of skin diseases. In general, it manifests as spots on the skin that can swell with a clear liquid. It is often confused with an allergic reaction, although it is, in fact, a skin irritation. Many people are well aware that eczema cannot be transmitted from...

Chickenpox, also known as varicella, is a very common condition that occurs in most individuals either during their childhood or in adulthood. It is not a very serious condition, however depending upon the age and intensity with which it occurs, it could result in a lot of discomfort for the...

Cold sores, also called oral herpes, are highly contagious fluid-filled blisters on the lips and around the mouth. In most cases, cold sores are not that serious, but they can be life-threatening for people who have a weakened immune system such as people with AIDS. On the other hand, canker sores,...

What is albinism?Albinism is a group of genetic disorders that cause little or no production of the natural pigment called melanin. The color of your skin, hair, and eyes depend on the type and amount of melanin produced by your body. Most individuals with albinism have sun sensitivity, which makes...

The cause or severity of insect bites or stings can be determined by the symptoms. Most bug bite symptoms cause itchy or painful red bumps. Other insect bites can cause welts or blisters. The following are some clues of common insect bites:...