How are canker sores and cold sores different? Cold sores are contagious. They are fluid-filled blisters and they may burst and liquids ooze and form a crust. They usually disappear in 5 to 10 days ...

Cold sores, or fever blisters, are precisely herpes simplex virus type 1 (HSV-1) that appear as fluid-filled blisters around the lips that can also develop on the chin, cheeks or inside the nostrils.

Researchers from the University of Colorado Anschutz Medical Campus have discovered how the common cold sore virus, HSV-1, enters the brain and identified specific brain regions vulnerable to ...

Purdue Landscape Report: Dieback and canker diseases caused by Botryosphaeria, Sphaeropsis, Diplodia and other closely related fungal pathogens are exceptionally common on woody landscape plants. This ...

Now that cold and flu season is upon us, our wellness editors are using these hacks to avoid sickness and stay healthy.

QUESTION: I used Zovirax ointment for two decades while I had employer-funded insurance. Once I went on Medicare, I learned ...

Here's what experts say about using antibiotics to treat the common cold — and why you can still catch one in the summer.

Explore the 10 most common dental problems, from cavities to gum disease, and learn how prevention and timely care can help ...

Once I went on Medicare, I learned the real price of this cold sore ointment -- outrageous! I asked my dermatologist about this, and he prescribed oral valacyclovir. He winked and said ...

One in five of us suffer with cold sores, or 'coleslaws' as spluttering children call them. They are created by herpes simplex, a virus that sits quietly in nerves around the mouth, only gracing ...

Cold sores are caused by the herpes simplex virus (HSV) which is often transmitted from person to person during kissing. Once it has infected the body, the virus lies dormant, generally being kept ...