Search our A to Z of Skin to find out more about common skin conditions and problems, their symptoms, causes and how they are diagnosed and treated. You can search by both common and medical names, or by medicine or treatment name.

Both common and medical names have been included to help your search, as well as the names of medications and treatments. There are also a number of cosmetic topics which explain the latest treatments for cosmetic concerns related to the skin. Our thanks go to the many College dermatologists have contributed to the information on this site.

The information provided in the A-Z of Skin is a general guide only and does not replace individual medical advice. Please speak to your doctor for advice about your situation. The ACD is not liable for any consequences arising from relying on this information.

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  • Kaposi Sarcoma

    Kaposi Sarcoma (KS) is a type of disorganised growth of blood vessels. It was first described in 1872 by Moritz Kaposi.

  • Kawasaki’s disease

    Kawasaki’s disease is a rare form of vasculitis (inflammation of blood vessels). It can affect many parts of the body. The diagnosis is made when someone has a high fever and the typical changes in the skin, eyes, mouth and lymph nodes. It is a serious condition as it may affect the heart.

  • Keloids

    Keloids are a type of scar of the skin that has too much collagen and scar tissue formation. Keloids occur after injury to the skin and are more common on the upper chest, upper back and shoulders. People with coloured skin (skin of colour) have a higher risk of developing keloids. Keloids may be large and disfiguring and can cause significant distress.

  • Keratoacanthoma

    Keratoacanthoma is a skin tumour that develops on sun damaged skin. It is often difficult to distinguish it from a more aggressive lookalike, a squamous cell cancer (SCC).

  • Keratoderma climactericum

    There are many forms of keratoderma which is the term given to the development of harmless skin thickening on the soles, particularly the heels. Keratoderma climactericum refers to the form that occurs during the menopausal period.

  • Keratosis palmaris et plantaris

    Keratosis palmaris et plantaris also known as palmoplantar keratoderma, is the name given to a group of conditions where there is abnormal thickening of the skin on the palms of the hands and soles of the feet.

  • Keratosis pilaris

    Keratosis pilaris is a common but harmless condition that results in rough, bumpy spots on the upper arms and thighs. It is most common in adolescence but can also occur in children and adults. It occurs to some degree in approximately 50 to 80% of adolescents.

  • Keratosis Pilaris Rubra Faciei

    Keratosis pilaris is a common condition in which rough, bumpy spots appear on the skin. Keratosis pilaris rubra faciei is a subtype of keratosis pilaris characterised by rough, red bumps on the face, particularly on the cheeks.

  • Keto Rash