What is the main cause of cold sores?
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What is the main cause of cold sores?
Cold sores are caused by certain strains of the herpes simplex virus (HSV). HSV -1 usually causes cold sores. HSV -2 is usually responsible for genital herpes. But either type can spread to the face or genitals through close contact, such as kissing or oral sex.
Is it normal to get cold sores?
How common are cold sores? Cold sores are widespread. More than half of the people in the United States have been infected with the virus that causes cold sores, though many people never develop cold sores or have any symptoms. About 20 to 40 percent of people who have the virus develop cold sores.
How do I stop a cold sore from forming?
To reduce your chance of a major outbreak, it’s important to start antiviral therapy medication as soon as you feel a cold sore coming on, even if blisters haven’t formed yet. Some prescription antivirals are: acyclovir (Zovirax) famciclovir (Famvir)
Are cold sores genetic?
Researchers at the University of Edinburgh have found that people affected by cold sores have a mutation in a gene, which means their immune system is not able to prevent them from developing.
How long cold sore lasts?
Cold sores usually clear up without treatment within 7 to 10 days. Antiviral tablets or cream can be used to ease your symptoms and speed up the healing time. If you develop a cold sore, some general advice to follow includes: drink plenty of fluids to avoid dehydration.
What foods cause cold sores?
Cold sore outbreaks are typically triggered by: exposure to hot sun or cold wind. a cold or other illness. a weakened immune system….Foods rich in arginine include:
- certain meats.
- peanuts and other nuts.
- legumes.
- whole grains.
Does cold sore mean weak immune system?
What causes cold sores? Cold sores are caused by the herpes simplex virus. Once the herpes simplex virus is in you, it can cause outbreaks of cold sores. Cold sore outbreaks are often triggered by exposure to hot sun, cold wind, a cold or other illness, a weak immune system, or even stress.
How can I stop getting cold sores?
Things you can do yourself
- eat cool, soft foods.
- wash your hands with soap and water before and after applying cream.
- avoid anything that triggers your cold sores.
- use sunblock lip balm (SPF 15 or above) if you’re outside in the sun.
