Canker sores often seem to pop up out of nowhere and, once you have them, they’re often painfully hard to ignore — especially when you try to eat or even talk. So what, exactly, are canker sores? They ...

Mouth ulcers, or canker sores, are common but painful. Triggers include minor injuries, food sensitivities, nutrient ...

Canker sores, or aphthous ulcers, can affect the tongue and other parts of the mouth. A canker sore on the tongue can be painful and make eating difficult. Topical treatments and mouthwashes can help ...

Canker sores are painful sores inside the mouth. The lesions are oval shaped with a yellow-gray center that a red ring surrounds. Canker sores progress through different stages and typically last 1–2 ...

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 been ...

Canker sores are painful ulcers on the soft tissues of the mouth. They can develop on the tongue or gums, but are most commonly found inside the lips. They are usually red with a white or yellow ...

Canker sores develop inside your mouth, like on your gums or cheeks. With some exceptions, cold sores usually form on the outside of the mouth on the lips. The oral lesions caused by canker sores and ...

Canker sores and oral herpes, also called cold sores, are common conditions with some similarities, which could lead you to confuse the two. Canker sores and cold sores both occur in or around your ...

I still remember the night I first pressed a fingertip covered in alum, a pickling agent often found in the spice aisle, onto a canker sore that had emerged on the inside of my bottom lip. Having been ...

Cold sores occur on the outside of the mouth and are caused by the herpes simplex virus. Canker sores are blisters inside the mouth that can occur due to injury, nutritional deficiencies, and ...

Canker sores are small mouth ulcers that can cause great deal of pain and discomfort. They are not cancerous and are usually associated with trauma or injury to the inner linings of the mouth called ...

Remedies for treating canker sores. That little crater in your mouth causes more pain than anything so small deserves to. Rest assured that in a week or two, your canker sore will most likely be ...