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

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

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

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

Psoriasis is a common skin disorder that produces thick red plaques covered with silvery scales.

Rosacea is a common disorder that mainly affects skin on the face. It causes redness on the nose, chin, cheeks, and forehead.

Vitiligo is a condition in which white patches develop on the skin. Any location on the body can be affected.

Leprosy is caused by a slow-growing type of bacteria called Mycobacteriumleprae (M. leprae).

A carbuncle is a red, swollen, and painful cluster of boils that are connected to each other under the skin.

A staph infection often begins with a little cut, which gets infected with bacteria.

Cellulitis is a common infection of the skin and the soft tissues underneath.

Birthmarks are colored skin spots that either are present at birth or develop shortly after birth. They can be different colors.

There are many skin lesions that are common and benign. These include moles, freckles, skin tags, and many more.

Whether you're newly diagnosed with chronic spontaneous urticaria or are already in treatment, learn how to make the most of your doctor appointment.