This is absolutely herpes related. I have the muscle twitching and didn't have it until after my diagnosis 11 years ago. I went many years with a mild outbreak maybe once a year and no twitching. Now I'm having frequent outbreaks, twitching, and my lymph nodes are swollen on one side of my groin. Same issues as when I was first diagnosed. But I'm on suppressive therapy now and just hoping it will start working.