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Do I Have Herpes? Cold Sores 101

Posted on January 13th, 2020

Cold sore. Fever blister. Herpes Simplex Virus-1. These babies go by a lot of different names, but the experience is always the same:

  • Telltale burning or itching near the lip
  • A red bump appears a day or so later
  • The bump becomes a cluster of blisters
  • The blisters dry up and scab over
  • The scab falls off
  • The whole process usually takes two weeks or less.

Infamous for irritating pain and ruining first dates everywhere, cold sores sure wreak a lot of havoc for something so small.

A cold sore is a symptom of the herpes simplex virus-1 (HSV-1) in your system. HSV-1 is so common that most people are exposed to it in childhood. Many people can have and spread the virus without ever actually having a cold sore.

Catching & Spreading a Cold Sore

Sadly, once you catch HSV-1, there is no permanent cure. Thankfully, it won’t do much harm. If you have HSV-1, you might occasionally experience cold sores with long periods between each outbreak. This is because HSV-1 has the habit of “sleeping” or being inactive for bouts of time before circumstances cause it to flare up.

If you get cold sores, anything that compromises your immune system will make you susceptible to an outbreak. This includes drinking too much alcohol, stress, lack of sleep, or being sick. Even overexposure to the sun can cause a cold sore flare.

HSV-1 is related to the same virus that causes the herpes STD: HSV-2. Both viruses can be passed via bodily fluids, but HSV-1 cold sores usually only appear around the mouth.

HSV-1 is extremely contagious and can be spread even without a visible cold sore. Washing hands and a large personal bubble are important to prevent spreading or catching cold sores. Don’t share cups, utensils, lip balm, or razors if you or someone you know has a cold sore.

Don’t worry about catching cold sores from the dentist. All rooms and equipment are thoroughly sanitized between each patient.

Cold Sores vs. Canker Sores

If you have a mouth sore, you might be wondering if it’s a cold sore or a canker sore (which is not contagious). There are two main ways you can tell the difference between the two: location and appearance.

Cold sores are mostly outside the mouth on the lips or nose, and canker sores are mostly inside the mouth. Cold sores are usually a group of red blisters. Canker sores are round, open sores with a yellow or gray center.

Cold sores might also cause fever, sore throat, and swollen lymph nodes.

Treating Cold Sores

Skin creams and gels can help ease the pain of cold sores and make them go away faster. Talk with your dentist and doctor if you want help fighting the effects of a cold sore. Long-term treatment may also help reduce the frequency and severity of your outbreaks.

Houston dentist Dr. Meghna Dassani is taking new patients and would love to help you love your smile! Make an appointment with Dassani Dentistry today if you have questions about cold sores or any other oral health issue.

The content of this blog is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of qualified health providers with questions you may have regarding medical conditions.

About Meghna Dassani, DMD

Dr. Meghna Dassani received her initial dental training from the University of Mumbai, India, where she graduated in 1996 as Bachelor of Dental Surgery (BDS). After working as an associate for one year, she established her own practice in Mumbai, India. She successfully operated this practice for six years prior to moving to the US. When Dr. Meghna Dassani is not in the office she is at home being a mommy to her 2 beautiful girls and enjoying time relaxing with her husband. Since opening her own practice in 2011 she doesn’t have a lot of free time but when the time allows she enjoys traveling, reading, gardening, cooking, visiting with friends and family and of course SHOPPING with a Starbucks in her hand!

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