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Doctor insights on: Is It Possible To Be Immune To Cold Sores

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Is it possible to be immune to cold sores?

Is it possible to be immune to cold sores?

Of course: Cold sores are the result of reactivation of a previously experienced herpes oral infection. Known as a slow virus. Herpes gingivostomatitis is an exceedingly common childhood infection, like chicken pox. Immune system fights it off. But it lingers in tissues. Only a small percentage of people go on to get cold sores from its reactivation in later years. Like shingles and chicken pox. ...Read more

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Dr. Heidi Fowler
1,053 Doctors shared insights

Cold Sore (Definition)

Also referred to as fever blisters, cold sores are small, painful fluid-filled blisters that are usually found around the lips. Cold sores are very contagious and can be spread by mouth to mouth contact and can spread to the genitalia and cause genital ...Read more


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Can you be immune to cold sores?

Can you be immune to cold sores?

Sure: Most adults have already been exposed to the herpes simplex type I virus (but most don't get cold sores). ...Read more

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If you're immune to cold sores, would it be possible to be immune to genital herpes as well? Seeing as both viruses interconnect?

If you're immune to cold sores, would it be possible to be immune to genital herpes as well? Seeing as both viruses interconnect?

Herpetic lesions: There is no real immunity to herpes. When you get herpes it lays dormant in the nerve ganglion (central nerve station) Due to stress/ immunocompromised state it recurs. Having herpes I does not protect you from herpes II, they are different, You can also spread herpes I so if you have a lesion on your lip and it touched and then your vaginal is touched it can spread there. F/u w/doc ...Read more

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How do I know if I am immune to cold sores?

You are not: There is no immunity per say to cold sores, in other words the herpes simplex virus. Different individuals have differing susceptibility based on their health / genetic makeup. ...Read more

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If you already have hsv1 and get cold sores, does that make you immune to contracting the virus again? Or can you still get it somewhere else?

If you already have hsv1 and get cold sores, does that make you immune to contracting the virus again? Or can you still get it somewhere else?

HSV1 may return: Hsv is a virus that may reoccur. It may recur on any mucous membrane. So, if you are having oral sex, it may recur on the genital area if you have oral sex when you have an active lesion. ...Read more

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43-yr old female. Could increased acne, cold sores and uti's be connected? Immune system? Diet? I'm falling apart!

43-yr old female. Could increased acne, cold sores and uti's be connected? Immune system? Diet? I'm falling apart!

Falling apart: Many possibilities. Get blood sugar and hormones evaluated. Are you on any meds or dietary supplements? See a doc and have comprehensive evaluation. ...Read more

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If you get cold sores yourself and kiss someone who has a cold sore, can you contract it again? Or are you immune bc you already have the virus?

If you get cold sores yourself and kiss someone who has a cold sore, can you contract it again? Or are you immune bc you already have the virus?

So once you have: The virus, you have it, you can't get it again because you already have it. Kissing someone with a cold sore, can trigger your own outbreak though ...Read more

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Is there any reason I constantly get uti' and cold sores? My doctor has advised me to go for a blood test to check my immune system is this normal

Is there any reason I constantly get uti' and cold sores? My doctor has advised me to go for a blood test to check my immune system is this normal

Not normal: But common especially in females, inadequately treated uti's or recurrent uti's, a common presenting condition, might need more extensive investigation of the urinary tract, and possibly long term prophylactic antibiotics, probing the immune system won't harm, recurrent cold sores are common too, can occur in immunocompetent persons, goodluck, ...Read more

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Suddenly: canker sores, recurrent cold sores, yeast infections w/ any sexual contact, blepharitis & had vaginal streptococcus. Underlying immune issue?

Suddenly: canker sores, recurrent cold sores, yeast infections w/ any sexual contact, blepharitis & had vaginal streptococcus. Underlying immune issue?

Yes: A family doc or infectious disease doctor could run a panel of tests to check it. I am not sure medical science is advanced enough to do anything about it. IVIG infusions are sometimes effective in patients with low globulins, but is terribly expensive, not covered by most insurance AND exposes you to the mercies of possible unknown blood born pathogens. Worth getting it checked if getting worse. ...Read more

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I never had a cold sore in my life. Does this mean I'm immune?

I never had a cold sore in my life. Does this mean I'm immune?

Possibly: You may just be lucky. If you are immune it has nothing to do with total immunity. ...Read more

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Can weightlifting lower your immune system? Started yesterday for the 1st time in 7 months and the next day got a cold sore on lip

Can weightlifting lower your immune system? Started yesterday for the 1st time in 7 months and the next day got a cold sore on lip

Exercise,: If anything, should strengthen your immune system. I think you cold sore is a pure coincidence. It can come from exposure to ultra violet rays, if you exercised outdoors. ...Read more

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Do cold sores itch?

Do cold sores itch?

They can: A cold sore is a lesion with blisters (lip, chin, cheek, nostril & sometimes mouth) which causes burning, pain & itching. ...Read more

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How can I cure my cold sores?

How can I cure my cold sores?

See a dentist: Treatment of sores in the mouth can vary dramatically depending on the cause of the sore. So it's wise to see a dentist or physician to diagnose and suggest an appropriate treatment. Cold sores can be controlled, but not cured. Until you can see the dentist/physician, keep the area clean with warm water rinses. If eating/drinking is painful, try bland foods. ...Read more

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