I have sores on my upper and lower lips, I have been taking Lysine, 1000mg, twice a day for 2 months. Also have taken Valtrex 1gram, 1 tablet, every 12hrs. Have had these sores for 5 months, I do tiathlons, don't know if its dehydration or to much sodium in my sysytem. have taken water pills to no avail. Very painful. Am on Androgel for testosteron leow level.