I get this every so often, and it stays for WEEKS if not months, it's sore and weeps often (that's why it looks crusty) doesn't come to a head, and eventually goes away on its own. I look gross because it's so huge
OC: post septoplasty clot. Apparently my sister blows these bad boys out multiple times daily since the surgery. This one included a bit of a broken stint at its core.