Can Not Brushing Teeth Cause Headaches? The Truth

If you've ever woken up with a fuzzy feeling in your mouth and a dull throb in your temples, you might wonder if not brushing teeth can cause headaches or if you're just having a rough morning. It sounds a bit far-fetched at first—how does a little bit of plaque on your molars translate to a pounding head? But as it turns out, your mouth and your head are way more connected than most of us realize. The human body is a weirdly interconnected machine, and when one part starts to fail (like your oral hygiene routine), the side effects can pop up in places you'd never expect. ...

May 8, 2026 · 7 min · Romeu Gotwals