Are you a healthcare professional? Join GoodRx for HCPs

All Canker Sores Articles

Latest articles

Health: Canker sores: closeup inside lip canker sore-659939632

Canker Sore Treatment: A Guide to Prescription Medications and Home Remedies

Written by Jennifer Clements, MD, MSEd, NBHWCUpdated on Aug 27, 2026

by Jennifer Clements, MD, MSEd, NBHWC • Aug 27, 2026

oral: closeup man with canker sore 1404226952

How to Get Rid of Canker Sores Fast

Written by Frank Schwalbe, MDUpdated on Jun 26, 2026

by Frank Schwalbe, MD • Jun 26, 2026

Canker sores: man eating bowl of soup 1454799416

Foods That Cause Canker Sores: What to Avoid and What Can Help

Written by Karen Hovav, MD, FAAPUpdated on Nov 21, 2025

by Karen Hovav, MD, FAAP • Nov 21, 2025

Canker sore: man closeup canker sore 1403497875

How Long Do Canker Sores Last?

Written by Maria Robinson, MD, MBAPublished on Apr 4, 2025

by Maria Robinson, MD, MBA • Apr 4, 2025

canker-sore: closeup woman with mouth pain 1197153017

What Causes Canker Sores? 5 Common Causes and What They Say About Your Health

Written by Frank Schwalbe, MDPublished on Feb 28, 2024

by Frank Schwalbe, MD • Feb 28, 2024

Dermatology: Get Rid of Canker Sores: rid featured image

How Do You Get Rid of a Canker Sore? 3 People Share What’s Worked for Them

Written by Liz CareyPublished on Apr 26, 2023

by Liz Carey • Apr 26, 2023