In its broadest definition, Dermatology is the diagnosis and treatment of skin diseases. The practice involves the branch of medicine that is concerned with the physiology and pathology of the skin. The medical field devoted to the study and treatment of disorders and diseases of the skin is a constantly evolving and changing specialty.

Dermatology also embodies a diverse specialty encompassing disorders and diseases of the skin, mucous membrane, hair and nails and a number of sexually transmitted diseases. Dermatologists deal with a wide variety of diseases including acne, warts, multiple inflammatory dermatoses, skin cancers, autoimmune diseases, occupational dermatoses and contact dermatitis. The treatment ranges from performing a wide variety of surgical procedures (eg, excisions, sclerotherapy, laser surgery, liposuction, hair transplants and tissue augmentation therapies) to the care of normal skin, prevention of skin diseases and cancers and treatment of photoaging skin.