Herpes family virus is very notorious. When we give medicines they hide in nerves. When some favourable conditions for viruses arise they come out. So recurrence is very common. So go to your dermatologist and ask for long term therapy. He will give you a medicine you have to take it for a week and then reapet it evry month for minimum 9 months, wheather Herpes develops or not. This kind of treatment are very helpful to complete cure if disese..