Also known as seborrheic verruca, most people will develop at least one seborrheic keratosis during a lifetime. Fortunately, these lesions are benign and don’t become cancerous. They are characterized as brown, black or yellow growths that grow singly or in groups and are flat or slightly elevated.

Ringworm is a common fungal infection, especially among children, that appears on different parts of the body. It is characterized by ring-shaped, scaly and itchy patches of the skin. The patches may blister or ooze fluid. Ringworm is contagious and can be passed from person to person or through contact

Although less common, there are a few skin conditions related to pregnancy: PUPPP (Pruritic Uticarial Papules and Plaques of Pregnancy) This condition occurs in roughly one percent of pregnant women. It is characterized by itchy red bumps and hive-like rashes that usually appear on the belly or around

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,

Lyme disease is a bacterial illness and inflammatory disease that spreads through tick bites. Deer ticks house the spirochete bacterium (Borellia burgdorferi) in their stomachs. When one of these ticks bites the human skin, it may pass the bacteria into the body. These ticks tend to be attracted to creases

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,

Moles are brown or black growths, usually round or oval, that can appear anywhere on the skin. They can be rough or smooth, flat or raised, single or in multiples. They occur when cells that are responsible for skin pigmentation, known as melanocytes, grow in clusters instead of being spread out across

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

A skin inflammation that occurs in warm, moist folds of the body where two skin surfaces chafe against each other. It most commonly appears on the inner thighs, armpits, groin, the crease on the back of the neck, the bottom of breasts in women and below the belly in obese people. It can be caused by

Impetigo is a common skin infection usually found in children and infants. It is characterized as single or multiple blisters filled with pus, which pop easily and leave a reddish, raw-looking base and/or honey-colored crust. In most children, impetigo first appears near the nose and then spreads through

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

Granuloma is a generic term that refers to a small nodule. It can be any type of nodule, from benign to malignant. Granulomas occur throughout the body. Two types of granuloma apply expressly to the skin: Pyogenic Granuloma. Pyogenic granuloma looks like small, reddish bumps on the skin that tend to

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

A group of viral infections that cause sores on the mouth (oral herpes) or genitals (genital herpes).. There are two types of Herpes Simplex Virus: Herpes Simplex Virus Type 1 is the most common form of herpes that affects most people at least once during childhood. It is passed from person-to-person

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,