These either come in the form of a pill to take orally or cream to put on topically ... an antiviral medication through an injection. Lip balm might be the first thing that comes to your mind ...

The antiviral drugs used to treat cold sores include acyclovir (Zovirax), valacyclovir ... You can also get herpes simplex by sharing lip balm, a fork, a mug or a razor with someone who has ...

If it is herpes, then applying aciclovir cream should help, but you should start doing this when your lips start to tingle - don't wait till they swell and blister. Taking aciclovir tablets ...