What medicine do you take for cold sores?

Mouth herpes, in most cases the possibility of herpes simplex is relatively large, take medicine generally oral antiviral drugs, the first choice is acyclovir antiviral drugs, such as acyclovir tablets, valciclovir tablets or famciclovir tablets, can also use traditional Chinese medicine antiviral drugs, such as Yuxingcao oral liquid. Acyclovir cream or penciclovir gel can be used topically. If there is a break, erythromycin ointment can be used topically. It is best not to drink alcohol, eat spicy and irritating foods, and not to be tired.