A visual and practical guide to common mouth ulcers (canker sores, trauma, herpes, thrush, lichen planus, systemic disease, and oral cancer), how they look and feel, and when to seek medical care.

What the research says about vitamin B12, folate, and other B vitamins in recurrent canker sores, plus a practical, measured way to test and supplement.

When OTC gels and patches are not enough: chemical cautery, silver nitrate, dental lasers, prescription anti-inflammatories, and what is actually accessible in the US vs EU.

Why a super common condition still has no cure, with research and funding context, plus why patient stories matter.

Licorice root has a long history as a mouth-soothing herb. Here’s what it is, why it might help canker sores, how people use it, and what the clinical studies actually suggest.

A practical guide to common OTC canker sore options like numbing gels, protective liquids, patches, rinses, and oral pain relievers, plus what they do and when to seek help.