Dermatological diseases are conditions that affect the skin, hair, and nails. Common examples include eczema, psoriasis, and acne. These diseases can result from various factors, including genetics, environmental influences, and infections. Symptoms may range from rashes and redness to itching and scaling. Diagnosis and treatment of dermatological diseases often involve dermatologists, specialists who focus on skin health. Treatments can include topical creams, oral medications, and lifestyle changes. Early intervention is important to manage symptoms and prevent complications, ensuring better skin health and overall well-being.