Hesperian Health Guides
Acyclovir is a medicine used to fight herpes viruses. Acyclovir does not cure herpes, but it makes the sores less painful and keeps them from spreading.
Acyclovir may sometimes cause headache, dizziness, nausea, and vomiting.
Do not take if you have kidney problems.
Start acyclovir as soon as signs start to appear.For first time infection of genital herpes:
If you have had herpes infection before:
If you have 6 or more outbreaks in a year, talk with an experienced health worker to see if taking acyclovir for a longer period will help.