Bloody mucus coming out of only ONE of my nostrils. The other is fine. The bloody nostril was also a problematic one right after surgery too. Blood didn't stop coming out of there for a while, longer than the other. Should I be worried? It's only when I blow my nose that the bloody mucus comes. Why is this? (And don't tell me to ask my surgeon, I know how to do that! But I'm asking you!)