When you say you haven't had any intercourse since May, do you mean last year? Just clarifying that point. I think it is wise to get this checked out by your doctor or a clinic. Planned parenthood near you? They do a nice job of testing us. Herpes can obviously cause blisters and HPV can also produce bumps by the vagina. They might have a cauliflower appearance. But I'll also point out that pimples can happen in that area too. Yes, good old fashioned pimples. https://www.healthline.com/health/womens-health/vaginal-pimples What about folliculitis? Especially if you have been shaving. That's a little infection of the hair follicles. For infected hair follicles, things you can try are a warm compress which draws out the pus and reduces itching. A warm wash cloth can be used as the warm compress. You could try otc topical creams or washes. I'd personally want to talk to my doctor about this and an antibiotic ointment can be helpful here that is prescribed by the doctor. Here's everything and more that you ever wanted to know about folliculitis. https://www.medicinenet.com/folliculitis/article.htm But really, you should see a doctor to make sure it is something like that and rule out the other things. If you haven't had sex in a year and this is new, then I'd be less inclined to worry about something like herpes.