Scabs can sometimes turn yellow as a wound heals. However, yellow scabs can sometimes indicate a skin infection, such as impetigo and cold sores. Although scabs are usually dark red, they can go ...

Cold sore-causing HSV-1 doesn't just hijack cells it reconfigures the entire architecture of our DNA to aid its invasion.

Cold sores may begin to look more like blisters after a few days. Pimples typically develop a white, yellow, or black head. Cold sores can last for 2–3 weeks.

The herpes virus that commonly causes cold sores affects how tightly coiled our DNA is and makes it shrink, all to help ...

There are five different stages of a cold sore. The first stage starts about 24 hours before the blister appears. The blister appears in stage 2, bursts and oozes in stage 3, dries out and scabs ...

A new study links cold sores to Alzheimer's, highlighting HSV-1's role. Women in particular could have a higher risk. Anti-herpetic drugs may reduce dementia chances.

They are typically white or yellow with a red border, and they can appear anywhere within the mouth, including the inside of the cheeks, lips, ... Cold sores vs. canker sores.

While individual cold sore episodes will heal, there’s no way to banish the virus from your body, so you’ll always be at risk for future outbreaks, Dr. Wassef said. “HSV-1 is a chronic ...

Canker sores are “open sores in the mouth,” says Howard Sobel, M.D., clinical dermatologic surgeon at Lenox Hill Hospital in New York. “They typically appear white or yellow in color and are ...

A viral infection, such as a cold or the flu, causes most sore throats. You might have a sore throat for several other reasons, such as allergies, acid reflux, strep throat, or, rarely, throat cancer.

Antiviral medications such as acyclovir, valacyclovir, or famciclovir can reduce the severity and duration of cold sore outbreaks when taken at the first sign of symptoms. Topical antiviral creams ...