Mucocele vs Cold Sore: Which Bump Is on Your Lip?
You’re lying in bed and your tongue keeps finding a small bump inside your lower lip. A smooth, painless bump inside the lip is more likely a mucocele, while a tingling cluster of blisters on the outer lip is more likely a cold sore, and this guide shows you how to tell them apart and when to get help.
Sep 4, 2026