Valaciclovir more effective than acyclovir in reducing pain from shingles.
D000212:Acyclovir / Q000031:analogs & derivatives* / Q000627:therapeutic use; D000998:Antiviral Agents / Q000627:therapeutic use*; D006562:Herpes Zoster / Q000150:complications*; D006801:Humans; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D000077483:Valacyclovir; D014633:Valine / Q000031:analogs & derivatives* / Q000627:therapeutic use
D000998:Antiviral Agents; D014633:Valine; D000077483:Valacyclovir; D000212:Acyclovir