My 82 yr old father just moved in with me from an assisted living center in from another state. He had had a stroke 2 yrs ago but seems to be doing well. I don't want to come out and ask him why he is taking the acyclovir and though it might be used for other things as well. We both get the sores around our mouths but I haven't had one in yrs. Really don't want to ask him if he has herpes!