Most cuts, scrapes, and small surgical incisions close up on their own within a couple of weeks. But some wounds don't follow that script. They stay open, keep draining, or heal a little and then break down again. If you're dealing with one, you may be wondering whether it's time to get specialized help or whether you're overreacting. This guide walks through how wound healing works, why some wounds stall, the warning signs that mean it's time to see a specialist, and what to