Suggest Treatment For Mouth Sores

HI DOK.I HAVE HERPEX ON MY HANDS AND USE ADCO-ACYCLOVIR TOPICAL CREAM AND USE THE ANTIBIOTIKA PIL. MY HUSBAND GET IT IN HIS MOUTHT WHAT CAN HE USE INTO HIS MOUTH FOR THAT HERPEX SORE.? HE EVEN CAN EAT AND HE HAVE IT MORE THAN ONE AND A HALF YEAR,THE SPESILIST GIVE HIM VAVIREX 500MG. AND I PUT HIM ON THE ANTIBIOTIKA WHAT I USE NOW. BUT HE HAVE NOGHING TO USE FOR THE SORE IN HIS MOUTH. HE ARE NOW ON THE PILS FOR 6 MOUNTH AND THE SORE IN HIS MOUTH SORE CAME BACK AND GO FOR A WEEK AND HALF AWAY. SORRY THE ATHER HE WAS BEGIN WAS ZELITREX AND MY DR.JUST HAVE VAVIREX WHAT MABY THE SAME. THE CREAM I USE ON MY HANDS WAS HELPFULL AND I STILL BUSSY USE IT WITH ATIBIOTIKA. BUT WE CAN NOT FOUND SOMTHING THAT CAN HELP HIM FOR THE SORE IN HIS MOUTH....THANK U I HOPE U CAN HELP MY HUSBAND FOR THE SORE S IN HIS MOUTH.IT IS VERY PAINFULL....