Skin conditions like acne, eczema, psoriasis and athlete’s foot can be embarrassing and uncomfortable. Thankfully, a dermatologist can provide relief. These doctors specialize in treating and preventing diseases of the skin, nails and hair. They are qualified to diagnose and treat melanomas and other types of skin cancer. Dermatologists can also help you look and feel your best with cosmetic procedures like botox, chemical peels and vein removal.