Dermatology is the branch of medicine concerned with the study, research, diagnosis, and management of diseases that affect the skin including membranes, nails and hair. There are several types of dermatologic conditions, including warts, cold sore, fungal infections, acne, psoriasis, eczema, dermatitis, etc. Various tests such as biopsy, culture, skin patch test, diascopy, dermoscopy, and Tzanck test are utilized for the diagnosis of skin diseases. A number of dermatological therapies can be used for the treatment of skin conditions. The most common type of treatment is topical medication, which is directly applied to the affected area in order to achieve the desired result. Some of the other treatment therapies include laser therapy, phototherapy, systemic medications, surgery, radiotherapy, dermahistopathology, surgery, photodynamic therapy, and immunotherapy. This book contains some path-breaking studies in the field of dermatology. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances in the diagnosis and treatment of skin diseases. This book is an essential guide for both academicians and those who wish to pursue this discipline further.