[Immunization against viral hepatitis: an obligatory recommendation in consults for sexually transmitted diseases].

Numerous international institutions recommend vaccination against hepatitis B for all non-immune patients that consult for a sexually transmitted disease. It is a simple and safe procedure, frequently forgotten in dermatological clinics. Hepatitis B vaccine is administered via intramuscular route in the deltoid in 3 doses (at months 0, 1 and 6). The vaccine against hepatitis A is indicated for non-immune homosexual men that have a sexually transmitted disease. There exists a combined vaccine A + B that facilitates the administration in these cases.