[Diagnosis of major sexually transmitted infections in the doctor's office: ectoparasites and yeasts].

Ectoparasites, such as lice and itch mites (scabies) as well as yeasts, may be transmitted not only by sexual contact, but also by less intimate skin contact. The nits of the louse are visible to the naked eye, while Candida albicans is detected under the microscope or by culture.