Add Yahoo as a preferred source to see more of our stories on Google. What causes canker sores and how can you get rid of them? Experts weigh in. (Photo: Getty Images) (Getty Images/iStockphoto) ...

Add Yahoo as a preferred source to see more of our stories on Google. Canker sores can be caused by acidic or spicy food, braces, or vitamin deficiencies. Alona Siniehina/Getty Images Canker sores are ...

Lip ulcers are cold sores, and canker sores are a type of mouth ulcer. Both can cause pain and discomfort but typically clear up without medical treatment. Lip ulcers are another name for cold sores.

A bump on the lip can occur for many reasons, including infections, allergic reactions, and injuries. Infection with the herpes simplex virus (HSV) is a common cause. Lip bumps can vary in size, ...

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 ...

The sudden appearance of a mouth lesion can raise concern, often leading to questions about its cause. While many may dismiss these small sores as harmless, recurring or persistent lesions may be an ...

If you notice a painful bump on the roof of your mouth, it could be an abscess—an infection that forms when bacteria invade ...

A lump, bump, or other lesion on your hard palate may be a cold sore, canker sore, or a type of cyst. A sore that’s bleeding or will not go away may indicate a more serious condition, such as oral ...

White spots on your lips can be a sign of milla — harmless bumps that will resolve in a few weeks. The herpes simplex virus can cause white spots on the mouth that turn into blisters or sores. If you ...

If you have tiny clusters of fluid-filled blisters around your lips, you’re most likely dealing with a cold sore. A cold sore, also known as a fever blister, is a common condition that affects people ...

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 ...