Dr. Jennifer H Perryman MD

One of the most commonly asked questions by many people is whether rosacea is contagious or not. Rosacea is a common skin inflammatory condition affecting nearly 14 million people of the United States alone. It causes redness and a pimple like rash on the face, especially over the forehead, cheeks...

The stratum corneum is the outermost epidermal layer of the skin, which consists of dead cells called corneocytes. It is the major barrier of the skin when it comes to chemical transfers. The main purpose of the stratum corneum is to protect the underlying tissues by forming a barrier. The...

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...

Yes, rosacea is one of the most common chronic skin conditions that affect nearly 16 million people in the United States alone and about 45 million worldwide. The exact cause of rosacea is not known, but there are several theories suggested by many experts regarding rosacea and its...

Petechiae are tiny dots that appear as red, brown, or purple in color beneath the skin. They are usually seen in clusters on the stomach, buttocks, arms, and legs. However, they may also appear inside the mouth or on the eyelids. Petechiae may indicate different conditions, which can range from...

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...