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

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,

Folliculitis is an inflammation of one or more hair follicles. It appears as a rash or white-headed pimples or pustules near a hair follicle. It can occur anywhere on the body, but typically affects hairy areas, such as the neck or groin. Follicles can be damaged from repeated friction (such as rubbing

It is estimated that about one-third of people with diabetes will have a skin disorder at some time in their lives caused by the disease. Diabetics are more susceptible to bacterial and fungal infections; allergic reactions to medications, insect bites or foods; dry itchy skin as a result of poor blood

A particular type of skin infection (cellulitis) that is characterized by blisters; skin that is red, swollen, warm and/or painful to the touch; or by lesions with raised borders that most frequently appear on the face or legs. It also appears as sores on the cheeks and bridge of the nose. It is usually

Chicken pox is a common illness, particularly among children. It is characterized by itchy red spots or blisters all over the body. Chicken pox is caused by the Herpes Varicella Zoster virus. It is highly contagious, but most cases are not dangerous. Chicken pox can be passed on from two to three days

Cellulitis is a common bacterial skin infection that is caused by either Staphylococcus or Streptococcus bacteria. Both of these bacteria occur naturally on the skin. A break or cut in the skin causes the bacteria to enter the body, which leads to an active infection. Cellulitis most often occurs from: cracking

Candidiasis is the medical term for yeast infections in the body. There are three forms of candidiasis that relate specifically to the skin: Oral Candidiasis (Oral Thrush). This infection is characterized by lacy, white patches on top of reddened areas that occur on the tongue, throat or elsewhere