Skin disorders refer to any condition that affects the skin, hair or nails. These conditions can be caused by a variety of factors including genetics, environmental factors, infections and autoimmune diseases. Skin disorders can range from mild to severe and may include conditions such as acne, eczema, psoriasis, rosacea, dermatitis, warts or skin cancer. Treatment for these conditions varies depending on the severity of the condition but may involve medication, therapy, surgery or lifestyle changes.