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

People living with HIV face unique oral health challenges that require special attention and care. The virus's impact on the ...

What causes canker sores? The cause of canker sores remains unclear, the Mayo Clinic says, but researchers suspect a combination of factors contributes to outbreaks. Possible triggers include: ...

Cold sores and angular cheilitis can look somewhat similar, but they’re two different conditions. Learn more.

Mouth sores and gum problems can flare along with other Crohn’s disease symptoms. Learn how to manage these complications and why they happen.

Measles Surge in Southwest Is Now the Largest Single Outbreak Since 2000 Growing case numbers suggest that the national total will surpass that seen during the last large outbreak in 2019.

There’s a health crisis affecting millions of older adults — yet it often goes unseen until it becomes a serious problem. I’m ...

The Food and Drug Administration is investigating a new outbreak of foodborne illnesses and has closed an investigation of another. The new outbreak, of Salmonella Anatum, has sickened 10 people ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.