Viral and parasitic skin diseases are a broad category of skin conditions caused by infections from viruses and parasites. These conditions can range from common viral infections like warts, herpes simplex, and chickenpox, to parasitic infestations such as scabies and lice. Viruses such as the human papillomavirus (HPV) can cause warts, while the herpes simplex virus (HSV) is responsible for cold sores and genital herpes. Chickenpox and shingles, caused by the varicella-zoster virus, are also common viral skin conditions. Parasitic infections, like scabies, caused by the Sarcoptes scabiei mite, lead to intense itching and skin rashes. Lice infestations, particularly head lice, can also cause irritation and discomfort. The management of viral and parasitic skin diseases often involves antiviral treatments, topical medications, or systemic therapies, depending on the severity of the infection. Preventive measures, such as hygiene practices and vaccination, play an essential role in reducing the spread of these conditions. With proper diagnosis and treatment, most viral and parasitic skin diseases can be effectively managed, promoting faster recovery and preventing complications.