LGV? PLEASE HELP ME!

does anyone here have any information about lgv? ive been sick lately and I am a two sporty athlete and been dealing with sore muscles and head aches but I also got hit in the head really hard and I might just have a concussion but I have swollen lymph nodes in my neck/throat and a little bit ago there was a small bump on my outter labia but it went away and I am terrified that I have it and me and my new bf just had sec for the first time like 2 days ago and I don't know how to handle this situation!!! are there any treatments for lgv if I do have it? someone please help!