Cold Sores

Cold sores -- also called fever blisters -- are a painful infection caused by the herpes simplex virus (HSV).

Plantar Warts and Palmar Warts

Plantar warts and palmar warts are common, especially in children. These warts are named for where they appear on the body.

Blisters

A single blister is usually the result of friction or a minor burn, typically on the hands or feet.

Chafing

Chafing can occur anywhere on your body, but the thighs, groin, underarms, and nipples are particularly vulnerable.

Corns and Calluses

Corns and calluses can be annoying, but your body actually forms them to protect sensitive skin.

Sunburn

Here's what you need to know about how to keep your skin safe and where to find sunburn relief.

Ingrown Hair

Sometimes dead skin can clog up a hair follicle. That forces the hair inside it to grow sideways under the skin.

Muehrcke's Lines of the Fingernails

Muehrcke's lines appear as double white lines that run across the fingernails horizontally.

Gangrene

Gangrene is a condition that occurs when body tissue dies. It is caused by a loss of blood supply.

Rashes

A rash indicates an abnormal change in skin color or texture. Rashes are usually caused by skin inflammation.

Dermatitis

In most people, the early stages of dermatitis are characterized by red, dry, and itchy skin.

Bedbugs

Bedbugs are small, oval, brownish insects that live on the blood of animals or humans.

Pruritus

Pruritus simply means itching. It can be associated with a number of disorders.

Causes of Itching

You might have an itch that must be scratched. Or a tickle on your back that you can’t reach.

Scratching

An itch can be triggered by something outside your body, such as poison ivy, or by something on the inside, such as psoriasis.

Cysts and Skin Lumps

There are a number skin conditions that cause lumps and bumps to appear on the surface or just below the skin.

Hives

Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly.

Alopecia Areata

Alopecia is the medical term for baldness; there are various types of alopecia, including alopecia areata.

Intertrigo

Intertrigo is a fancy name for a rash that shows up between the folds of skin. It is a very common skin rash.

Lice

The thought of lice might give you the creepy crawlies -- and with good reason. When these tiny mites infect the scalp and skin.

Scabies

Scabies -- or human itch mites -- are eight-legged critters that burrow into the upper layer of your skin.

Poison Ivy, Oak, and Sumac

Poison ivy, poison oak, and poison sumac are plants that can cause a temporary rash when they come in contact with your skin.

Bruises

A bruise is a common skin injury that results in a discoloration of the skin.

Epidermoid and Sebaceous Cysts

Many people often call any small, painless lump under the skin "sebaceous cysts." But those are most often epidermoid cysts.

Scaly Skin

Does scaly skin have you itchy and uncomfortable? It may just be ordinary dry skin.

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