title: Valacyclovir (valtrex) for herpes labialis.
mesh_terms: D000212:Acyclovir / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use*; D004064:Digestive System / Q000187:drug effects; D005076:Exanthema / Q000139:chemically induced; D006261:Headache / Q000139:chemically induced; D006560:Herpes Labialis / Q000188:drug therapy*; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D000077483:Valacyclovir; D014633:Valine / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use*
chemical_list: D014633:Valine; D000077483:Valacyclovir; D000212:Acyclovir