Dr. Dana Collier Holl M.D.

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...

Stretch marks are pink or purple streaks that appear on the skin, especially in the abdomen, thighs, upper arms, and back. This is very common in pregnant women, but may also be seen in people who gain weight, or a sudden growth during puberty. The color of the marks may gradually fade to white or...

Body wraps, often referred to as body cocoons or body masks, are popular spa treatments heralded to have several uses depending on the material used for wrapping. A number of natural materials, like rosemary, clay, chocolate, eucalyptus, and honey, are used for the wrapping process. Different...

Heat rash is a skin condition that is known to happen as a result of excess sweating. It is usually caused by a blockage of the sweat ducts. There are a number of things that can lead to the blocking of the sweat ducts. As these ducts are blocked, there is little evaporation of the sweat, which...

Acne is a common condition which could affect almost everyone at some point. In many cases it can be managed easily and in other cases it can be lifelong problem.Acne treatment aims to clear spots as much as possible and most importantly, to prevent scarring. Several treatments are available for...

According to a new study, excessive sweating can be reduced by using microfused ultrasound that is targeted at the sweat glands. Mark Nestor, MD, PhD, a dermatologist and voluntary associate professor of dermatology at the University of Miami Miller School of Medicine, says “this technique can...