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A callus ( pl.: calluses) is an area of thickened and sometimes hardened skin that forms as a response to repeated friction, pressure, or other irritation. Since repeated contact is required, calluses are most often found on the feet and hands, but they may occur anywhere on the skin. Some degree of callus, such as on the bottom of the foot, is ...
Rash. A rash is a change of the skin that affects its color, appearance, or texture. A rash may be localized in one part of the body, or affect all the skin. Rashes may cause the skin to change color, itch, become warm, bumpy, chapped, dry, cracked or blistered, swell, and may be painful. The causes, and therefore treatments for rashes, vary ...
Herpes gladiatorumis one of the most infectious of herpes-caused diseases, and is transmissible by skin-to-skin contact. The disease was first described in the 1960s in the New England Journal of Medicine. It is caused by contagious infection with human herpes simplex virustype 1 (HSV-1),[1]which more commonly causes oral herpes (cold sores).
Acne. What it looks like: Acne causes red, discolored bumps on the skin, along with whiteheads, blackheads, and cysts. Other symptoms to note: Acne is the most common skin condition affecting ...
Ganglion cyst. A ganglion cyst is a fluid-filled bump associated with a joint or tendon sheath. [ 3] It most often occurs at the back of the wrist, followed by the front of the wrist. [ 3][ 4] The cause is unknown. [ 3] The underlying mechanism is believed to involve an outpouching of the synovial membrane. [ 4]
Prayer callus. A pilgrim with prayer bump photographed outside Masjid al-Haram. A prayer callus, prayer bump, zabiba or zebiba ( Arabic: زبيبة zabība, "raisin") is a callus on the forehead present in some devout praying Muslims, mainly in Egypt. [ 1] Owing to its societal significance it is also known as the "devout sign". [ 2]
Keratosis pilaris. Keratosis pilaris ( KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin[ 1]) is a common, autosomal - dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh -like bumps, with varying degrees of reddening or inflammation. [ 2]
Rosacea. Rosacea is a long-term skin condition that typically affects the face. [ 2][ 3] It results in redness, pimples, swelling, and small and superficial dilated blood vessels. [ 2] Often, the nose, cheeks, forehead, and chin are most involved. [ 3]