May 18, 2026

Have a Mouth Sore? What is it and How to Treat it

Almost all of us have dealt with pain in or around our mouths because of a cold sore or canker sore in our lives. But do you really know the difference between these two ailments? Here Explorer Kids Dental will talk about both cold sores and canker sores, and we will discuss the differences between the two. Starting with cold sores, which are clusters of blisters caused by the herpes virus type 1 or 2, and usually appear on or around the lips. Although, sometimes they can show up on the gums or on the roof of the mouth. We sometimes refer them as “fever blisters” which are filled with fluid and are very painful. Most times, the initial infection, also known as “primary herpes,” affects individuals during their teenage years, and many do not realize what they are dealing with, instead assuming they are sick with the flu. Some individuals stay very sick for a week or more because of this initial infection of the herpes virus. When someone contracts the herpes virus, it never goes away, although it may lie dormant for long periods of time. However, when active flare-ups occur, people may have cold sores appear on the lips, gums, or roof of the mouth. What Causes A Cold Sore Flare Up? Weather (heat/cold/wind) Sickness/Fever Stress A patient can purchase numbing agents at many pharmacies and grocery stores without seeing a Dentist. These over-the-counter medications do not speed up the healing time of a cold sore, but they provide relief for any pain and discomfort the patient may experience. When one of these blisters splits open, a scab will form on the site of the sore, but normally heals within a week. Medications a dentist may prescribe will only work for a few days, and if the patient is in good health, a dentist will not write prescriptions for these medications. When to See Your Dentist A patient should

Share this post

Explore more blogs

View All Posts

April 27, 2023

How we Diagnose and Treat Sensitive Teeth

Why can eating ice cream or hot soup hurt your teeth? Tooth sensitivity is a real issue for many people and can be inconvenient and frustrating.

Read More

April 13, 2023

How to Spot These 7 Dental Issues in Your Children

Having kids is an enormous job. If you're a parent wondering if your child's oral habits are normal, or if it's time to get help, read on.

Read More

March 27, 2023

10 Dental Words You Need to Know

Have you ever been sitting in the dental chair only to hear your dentist say a word you've never heard before? Here are 10 dental words you need to know.

Read More

March 16, 2023

Can People Really Have Soft Teeth?

One of these myths is having soft teeth. Let's separate dental folklore from dental facts.

Read More

February 27, 2023

Have a Mouth Sore? What is it and How to Treat it

Almost all of us have dealt with pain in or around our mouths because of a cold sore or canker sore. Here's the difference between the two.

Read More

February 14, 2023

How to Help Your Kids Fall in Love with their Oral Health

As parents, we all struggle with teaching our children daily routines. Here are solutions to make oral hygiene a habit.

Read More

January 27, 2023

Should I be Concerned about My Bad Breath?

Bad breath happens to the best of us. How do you know when it's just a job for some mouthwash and gum, or if it's a sign of something more serious?

Read More

January 13, 2023

Everything You Want to Know About Teeth Whitening

Teeth whitening is a popular cosmetic procedure that can boost confidence, eliminate stubborn stains, and give you a look that really shines.

Read More

December 27, 2022

Is Sedation Dentistry Right for You?

About 30-40 million people a year avoid the dentist due to anxiety and fear. Many dentists help patients feel comfortable through sedation dentistry.

Read More

December 13, 2022

Guilt Free Advice for Great Pediatric Oral Health

Parenting is no joke. Here is some guilt-free advice from Explorer Kids Dental for great pediatric oral health.

Read More

November 27, 2022

How to Keep Your Teeth Healthy and Happy this Holiday Season

The holidays are upon us! With the overwhelming amount of sugar plums and Christmas cookies, how can you keep your teeth healthy?

Read More

November 15, 2022

Healthy Teeth for the Holidays

When sugary treats are available around every corner, what can you do to keep your teeth healthy? Here are tips for the holiday season.

Read More