When suffering from genital herpes, you can apply Acyclovir. Acyclovir ointment is used clinically to treat genital herpes, herpes simplex, and herpes zoster. The drug is a purine nucleoside antiviral drug, the main mechanism of action is to interfere with the replication of viral DNA, the herpes virus cytomegalovirus has an inhibitory effect on the birth of herpes virus cytomegalovirus, locally applied to the glans foreskin. Acyclovir ointment in the use of the process may appear rash, hives, etc., and some people will have abnormal liver and kidney function, jaundice and hepatitis, the use of intravenous infusion can also cause phlebitis. The use of this drug must be prohibited in pregnant women to avoid the impact on the fetus. The use of acyclovir should be under the guidance of a doctor, symptomatic medication, to avoid adverse reactions.