BV????

So i have BV but i have surgery wed the 10th for my wisdom teeth, i was wondering if i didnt start my meds till next weekend if anything will happen I'm scared to wait cause Google scares me how bad is a BV and Will it kill you fast?? Also I'm asking this because their pulling 4 wisdom teeth and 2 other teeth im not gonna be wanting to swallow pills after wed and my antibiotics im supposed to take for 7 days i don't want too miss a dose after starting it