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Cold Sores: Just How Common Are They?
Among all the unpleasant viral skin conditions out there, few are as stubbornly inconvenient as cold sores. While they’re not exactly painful or disabling, they affect a huge part of the population and, as anyone who’s ever had one will attest, they always pop up at the worst possible time. According to France’s national health insurance (Assurance maladie), 90% of adults in France are infected with herpes simplex virus type 1—the one responsible for cold sores around the mouth, usually contracted during childhood. A quick reminder: after causing a bit of inflammation, the virus goes dormant in a nerve ganglion, ready to jump out at any moment and trigger a cold sore outbreak.
Is Fever Really the Culprit?
The name might suggest that cold sores only show up when you have a fever, but—sorry to disappoint—that’s not necessarily true. In reality, these unwelcome guests can make an entrance at any time, thanks to various triggers. As Dr. Vincent Valinducq explained on France’s popular morning show “Bonjour! La Matinale TF1”:
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“It’s true that when you have a fever, you might get a cold sore, but there are other circumstances that favor their appearance: stress, fatigue… Sometimes, it’s the sun, and for women, it can happen during their period.”
To avoid outbreaks—and to treat them more effectively—the doctor recommends trying to identify your personal trigger. As he notes:
“I have patients who tell me it’s the sun. In that case, they use a small lip balm that protects them from UV rays to help control the breakouts.”
Key Triggers You Might Be Missing
- Fever
- Stress
- Fatigue
- Sun exposure (especially common in summer or after spending time outdoors)
- For women, hormonal changes—like during their period
Identifying which one is your personal kryptonite can really make all the difference when it comes to prevention.
React Fast: The Doctor’s Advice
According to Dr. Valinducq, your best weapon against cold sores is quick action. As he explained in another episode of the program back in May:
“So, when you feel it coming on, that tingling sensation, what should you do? Act immediately. It’s really before it appears, before it starts bothering you, that you need to take action.”
He adds:
“You can find a small topical cream at your pharmacy, available over-the-counter, that can help if these are symptoms you recognize.”
And just as a note, you can also book an appointment with your doctor so they can prescribe an antiviral medication, which should be taken within 72 hours of the first symptoms.
In short: while cold sores may love to catch you off guard, being aware of Your triggers—and reacting quickly—can seriously cut down their impact. So next time you feel that familiar tingle, you’ll know just what to do!
