Canker sores are painful ulcers that occur in the mouth, including on gums. Here's a look at how to deal with them.

Fans are questioning health protocols on Love Island USA after some viewers noticed what appeared to be cold sores on ...

The cold sore-causing Herpes Simplex Virus (HSV-1) hijacks human cells and reconfigures its DNA within just an hour after infection, according to a new study that may help tackle the pathogen.Viruses ...

Discover 7 proven kitchen remedies for painful canker sores, from honey to salt water, plus learn how to identify your personal triggers and prevent outbreaks.

Canker sores are not the same as cold sores, which are caused by the herpes simplex virus and are typically found on the lips. Unlike cold sores, canker sores are not contagious.

Find out what causes canker sores in children and learn how you can help your child if these painful mouth ulcers keep coming back after treatment.

Sodium lauryl sulfate, a common ingredient used to make toothpaste foamy, has been linked to longer-lasting, more-painful canker sores.

What a person eats or doesn't eat may affect whether they experience painful canker sores, according to a new study.

Canker sores are open sores in the mouth that can be treated at home, but can also be linked to medical conditions if they persist. Dermatologists explain.

Canker sores are open sores in the mouth that can be treated at home, but can also be linked to medical conditions if they persist. Dermatologists explain.

Three types of sores are often confused: canker sores, cold sores from oral herpes, and chancre sores caused by syphilis. What are the differences?

Whereas cold sores are fluid-filled blisters (which can occur around the mouth and genitals alike), canker sores are ulcers that are in the mouth alone.