Mar 21, 2025 · Common causes of skin lesions include injury, infections, allergies, and autoimmune disorders. They can occur suddenly or be symptomatic of a chronic condition. Most skin lesions are benign (not cancer) but they can be …

Apr 1, 2024 · Mouth sores are lesions on any of the soft tissues of the mouth. They are usually minor irritations but may be more serious. Learn about causes and treatments.

Mar 25, 2022 · Canker sores are common lesions on the inside of your mouth or lips. Here's what they could mean and when to worry.

Apr 17, 2025 · Sores: The hallmark of a herpes outbreak is the appearance of one or more painful, fluid-filled blisters or ulcers. These blisters typically rupture, ooze fluid, and form a crust before healing. ... characterized by those recurring blisters, is definitely something that can cause worry. It’s important to remember that herpes, though often ...

May 28, 2024 · Most of the time, that obnoxious little sore in your mouth is a canker sore. Unlike cold sores, canker sores aren’t contagious — just uncomfortable. And they’re extremely common: Approximately 20% of the U.S. population has had at least one canker sore in their lifetime.

Apr 3, 2018 · Most canker sores go away on their own in a week or two. Check with your doctor or dentist if you have unusually large or painful canker sores or canker sores that don't seem to heal. Most canker sores are round or oval with a white or yellow center and a red border.

Mouth ulcers are small sores that form on your gums, lips, tongue, inner cheeks or roof of your mouth. Lots of different things can cause them, including minor injuries, hormonal changes and emotional stress. Many mouth ulcers go away on their own. Others may require treatment.

Aug 22, 2022 · A sore can be a blister, bump, lesion, wound, or ulcer. Common causes include injuries and skin infections. More serious causes include certain viral infections, diabetes, and skin cancer. A sore may be painful, itchy, discolored, swollen, or tender to the touch. It may be hard or filled with fluid. The sore may bleed and ooze other fluids.

Dec 19, 2024 · Canker sores are small sores that form in the mouth. They're usually white or yellow with a red border and can appear inside the cheeks and lips or on the gums or tongue. Also known as mouth ulcers or aphthous ulcers, canker …

4 days ago · Boyloso/iStock via Getty Images Plus. Cold sores are painful sores that develop in or around the mouth. They’re caused by the herpes simplex virus (HSV). And they can be spread by person-to-person contact (like kissing) or contaminated objects (like utensils). Once someone develops a cold sore, the virus stays inside the body, and cold sores can develop again.