I had sex with my boyfriend a few days ago and we used lubricant. We have a few times before this. Every now and then I've experienced pain during sex, and I tense up making my vagina very tight. About 2 days ago, I began feeling intense itching on the lips and entry way of my vagina, followed by unbearable burning sensation during urination and it has not let up. I've also noticed each time I urinate, the amount of urine is less than normal. I have never experienced this before, nor have I ever had a yeast infection or an STD, and I've been in a monogamous relationship with my boyfriend for 8 years. It is Friday and I cannot get to my doctor until Monday. I have used Vasoline and Vagisil, and it has done nothing. Has anyone experienced this for the first time spontaneously and similar to me? Please help.