Conditions of the hair, skin, or nails are very common and almost everyone experiences symptoms of one or other dermatologic condition at some point in their life. In fact, approximately one in six of all visits to a general practitioner involves a problem of the skin. Some of the most common dermatologic conditions include:

• Acne: pimples on the skin due to inflammation of the sebaceous glands
• Dermatitis: red, swollen and sore skin caused by irritation or allergy
• Eczema: rough and inflamed skin that is itchy and may bleed
• Psoriasis: itchy, red, scaly patches on the skin
• Fungal infections: infection of the skin or nails caused by a fungus
• Warts: small hard growth on the skin caused by a virus
• Cold sore: inflamed blister near the mouth caused by herpes simplex virus
• Skin cancer: uncontrolled growth of skin cells