Dr. Paul Aaron Possick MD

The skin is the largest organ of the body and is normally exposed to a number of things that can take away its natural glow.OverexposureThere was a general belief that it is normal to apply oil on one's skin at the start of sunbathing. Over a period of time, dermatologists warned us about the harm...

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...

Miliaria is the other name for heat rash. Once you have the condition, you will experience some symptoms where most of them appear on the skin. It is believed to affect most children but is an infection that affects all ages.For children, heat rash is caused by underdeveloped sweat ducts that are...

A cold sore is an infection caused by the herpes simplex virus or HSV. The type of HSV that causes cold sores is the HSV-1. It is a very common condition that affects people before their twenties. Many Americans are infected by the HSV-1 by the time they are 20 years old. Cold sores can be painful...

Acne is often treated as a common beauty problem, but the fact is that it is far beyond a superficial skin problem.Although it is a very common skin problem and is not dangerous, it can sometimes end up leaving unsightly scars that can take a toll on confidence and self esteem. Acne is one of the...

What is keratosis pilaris?Keratosis pilaris is a harmless skin condition that is often seen in children in adolescents. It is characterized by dry and tiny bumps on the skin, similar to a sandpaper texture. The small bumps usually appear on the face, arms, thighs, or buttocks. However, they are...