Canker sores are common and most are harmless, but they can be painful and recurrent. The more you know about these lesions, the easier it’ll be to treat them and prevent outbreaks.

Canker sores are vexing and common. The reason they occur isn’t clear, but your toothpaste could be a factor. An ingredient often used to make toothpaste foamy, sodium lauryl sulfate (SLS), has ...

Canker sores also usually affect teens more than kids under the age of 10, but younger children can get them too. Your pediatrician may not be able to confirm the exact cause of your child’s sores.

The cellular action that enables the mouth's interior lining to heal quicky and without scarring has always been a mystery ...

Canker sores usually last for 1–2 weeks, depending on the type of lesion. We look at how long canker sores take to heal and how to treat them.

Canker sores typically improve and heal on their own within a week. However, severe sores can last for several weeks. The primary goal in treating canker sores is to manage the pain and prevent ...

Medically reviewed by Edmund Khoo, DDS Canker sores are small mouth ulcers that usually form on the gums. Knowing how to get rid of canker sores with home remedies and over-the-counter treatments ...

3. Your genes. Canker sores can also run in families. If you have parents or siblings prone to canker sores, you may be more likely to get them yourself.

Canker sores, though often overlooked, are a common oral health issue that can cause considerable discomfort. These small, painful ulcers typically form inside the mouth and can interfere with ...

Minor canker sores should go away in a few days to a couple of weeks. Kids and young adults are most likely to develop them, especially when they’re under stress.

That’s a plus, since a canker sore is an open wound that’s vulnerable to infection, which increases the pain. And since baking soda is alkaline, it provides extra relief by neutralizing acids.

MedlinePlus. Canker sore.. MedlinePlus. Canker sores.. Huynh NCN, Everts V, Leethanakul C, Pavasant P, Ampornaramveth RS. Rinsing with saline promotes human gingival fibroblast wound healing in vitro.