My vagina itches extremely bad, it burns (especially when I pee), and my boyfriend says it also kinda smells. What is it & how can I make it go away???

Here are some ... You need to bring the detailed info on the onset, degree, duration, & progress of all symptoms and their potentially related discomforts to Doc for analysis + physical exams + tests such as UA, culture of urine or vaginal discharge so to deduce possible Dx for reasonable Rx... This is the most logical thing to do. So, seek pro-evaluation and counseling as suggested. Best wish ...