Acne is the most frequent skin condition in the United States. It is characterized by pimples that appear on the face, back, and chest. Every year, about 80% of adolescents have some form of acne and about 5% of adults experience acne. Acne is made up of two types of blemishes: Whiteheads/Blackheads,

Eczema is a general term used to describe an inflammation of the skin. In fact, eczema is a series of chronic skin conditions that produce itchy rashes; scaly, dry and leathery areas; skin redness; or inflammation around blisters. It can be located anywhere on the body, but most frequently appears in

Vitiligo refers to the development of white patches anywhere on the skin. With this condition, pigment-forming cells (known as melanocytes) are destroyed by the immune system causing the loss of pigmentation in the skin. Vitiligo usually develops between the ages of 10 and 40. It affects both men and

"Rash" is a general term for a wide variety of skin conditions. A rash refers to a change that affects the skin and usually appears as a red patch or small bumps or blisters on the skin. The majority of rashes are harmless and can be treated effectively with over-the-counter anti-itch creams, antihistamines

Psoriasis is a skin condition that creates red patches of skin with white, flaky scales. It most commonly occurs on the elbows, knees and trunk, but can appear anywhere on the body. The first episode usually strikes between the ages of 15 and 35. It is a chronic condition that will then cycle through

Rosacea is a chronic skin condition that causes facial redness, acne-like pimples, visible small blood vessels on the face, swelling and/or watery, irritated eyes. This inflammation of the face can affect the cheeks, nose, chin, forehead or eyelids. More than 14 million Americans suffer from rosacea.

Roughly 300,000 people in the United States suffer from scleroderma. This chronic connective tissue disease results from an over-production of collagen in the skin and other organs. Scleroderma usually appears in people between the ages of 25 and 55. Women get scleroderma more often than men. The disease

Pruritus refers to the sensation of itching on the skin. It can be caused by a wide range of skin conditions, including dry skin, infection, fungus, other skin diseases and, rarely, cancer. While anyone can experience pruritus, it is more commonly seen among the elderly, diabetics, people with suppressed

Poison ivy, poison oak and poison sumac are plants that produce an oil (urushiol) that causes an allergic reaction among humans. The inflammation is a reaction to contact with any part of the plant, which leads to burning, itching, redness and blisters. The inflammation is a form of contact dermatitis,

There are literally hundreds of different kinds of lumps, bumps and cysts associated with the skin. Fortunately, the vast majority of these are harmless and painless. The chart below provides a guide for some of the most common forms of skin lumps, bumps and cysts. Dermatofibromas Characteristics Red,

Also known as follicular keratosis, this is a hereditary skin disorder that causes goosebump-like lesions on the back of the arms, thighs or buttocks. The patches of bumps tend to get dry and itchy, particularly during the winter months. Keratosis pilaris occurs at any age. Because it is hereditary,

Also known as neurodermatitis or scratch dermatitis, this condition is caused by a chronic cycle of scratching and itching an area of skin that becomes rough or leathery. While it is not dangerous, Lichen Simplex Chronicus can be a difficult cycle to break because of the severity of the itchiness. It

Hives are characterized as itchy red, raised welts (also known as wheals) on the skin's surface that can spread or join together and form larger areas of raised lesions. They are generally triggered by exposure to an allergen or chemical irritant. They tend to appear suddenly and often disappear equally

Considered a severe form of acne, hidradenitis suppurativa is a chronic skin inflammation that usually occurs deep in the skin in areas of the body with sweat glands, such as the groin or armpits. It is characterized by a combination of blackheads and red lesions that break open and drain pus, which

Head lice are small parasitic insects that thrive in human hair by feeding on tiny amounts of blood from the scalp. An estimated six to 12 million infestations occur in the U.S. annually. It is particularly common among pre-school and elementary school children. Head lice do not transmit any diseases,

Birthmarks are abnormal skin colorations in spots that are either present at birth or appear shortly thereafter. They can be flat or slightly raised from the skin. They can be any number of colors, including red, brown, black, tan, pink, white or purple. Birthmarks are generally harmless. There are two