Clover Center Venereology specialist is able to recognize skin and sexually transmitted diseases though changes in the skin or mucous membranes. Doctors use probes to conduct a variety of tests so as to arrive at a precise diagnosis. Common skin disorders include dermatitis (inflammation), psoriasis (flaking) and fungal infections. Doctors also deal with skin allergies and is familiar with certain disorders of the blood vessels, such as varicose veins.