Dermatology is a branch of medicine that focuses on the study, diagnosis, treatment and prevention of diseases and problems related to the skin, hair, nails and mucous membranes. Dermatologists are physicians who specialize in the field of dermatology and are trained to treat a wide range of dermatological conditions, from benign ailments to serious skin diseases. Here are some of the main functions of dermatology:

• Diagnosis of skin diseases: Dermatologists are trained to diagnose a wide variety of skin diseases, including infections, allergies, autoimmune diseases, skin cancers, genetic diseases and inflammatory conditions such as eczema and psoriasis.
• Treatment of skin conditions: Once a diagnosis has been made, dermatologists can recommend and administer appropriate treatments to treat skin conditions. This may include the use of topical medications, antibiotics, corticosteroids, photodynamic therapies, laser treatments, dermatological surgery and other procedures.
• Prevention and management of skin diseases: Dermatologists also play an important role in the prevention of skin diseases, providing advice on skin care, sun protection, healthy lifestyle habits and measures to prevent skin infections.
• Dermatological surgery: Some dermatologists specialize in dermatological surgery, performing surgical procedures to remove skin tumors, cysts, warts, suspicious moles and other skin lesions.