Strappy shoes, yard work and sunburns make summer a peak season for blisters, but these tips can help prevent blisters from forming. You could also experience blistering from sunburn, or fever ...

Fever blisters, also known as cold sores, are a common annoyance caused by the herpes simplex virus (HSV-1). These clusters of small, fluid-filled blisters typically appear on the lips or around the ...

Is it a cold sore or a fever blister? You have a tiny, clear, and fluid-filled blister or group of blisters on your lip, it might itch, tingle, or burn. Is it a cold sore or fever blister? Technically ...

Cold sores occur around the mouth area and resemble blisters or a cluster of blisters. Carlos Ciudad Photography/Getty Images Cold sores are caused by the herpes simplex virus (HSV-1), which is very ...

As far as red sores on or near your mouth go, zero is the number you want to have. Alas, those little (or uh, not so little) red bumps seem to pop up whenever they damn well please and wreak havoc on ...

A canker sore, or aphthous ulcer, is a lesion that develops on the soft tissues that line the inside of the mouth, gums, and inner lips. The exact cause of canker sores is unclear. Some risk factors ...

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UCR Health pediatrician explains symptoms, transmission, and what parents should watch for as outbreaks spread ...

A cold sore on the lip can be uncomfortable. It usually heals within a week or two. A cold sore looks like a blister. Other skin issues, like pimples and canker sores can also appear on the lips and ...

While cold sores are not dangerous, they can be irritating — especially if you suffer from frequent outbreaks. Although they most commonly appear around the lips and mouth, cold sores can spread to ...

Hand, foot, and mouth disease (HFMD) is a viral infection usually seen in children under 5 years old, although adults can ...