Dermatology is the medical science concerned with diagnosing and treating diseases of the skin, hair, and nails. There are various disorders, diseases, cancers, injuries, and cosmetic and ageing conditions that affect the skin, fat, hair, nails, and oral and genital membranes. Dermatology uses assessment, investigation, and testing techniques to diagnose these conditions. Treatments and therapies manage symptoms, reduce discomfort, and prevent further disease. They include topical and systemic medications, therapies, such as phototherapy, immunotherapy, laser therapy, photodynamic therapy and superficial radiotherapy, or procedural and cosmetic surgery.
Dermatology subspecialties include: Dermatopathology, Paediatric Dermatology, and Procedural Dermatology.