How Do You Get Rid of a Canker Sore?

How Do You Get Rid of a Canker Sore?

so you’re sitting there trying to eat your breakfast burrito but this thing inside your lip hurts every time you take a bite then you go for a swig of orange juice and it stings so much that your eyes start to water that’s life with a canker sore technically called an afta sulser once you have one you’re pretty much stuck with it for the next week or so but there are some things you can do to try to prevent canker sores in the first place and there are ways to make them hurt less and maybe even heal faster to be clear we’re not talking about cold sores here the bumps you might get on your lips outside your mouth those are caused by a viral infection instead the AFT this ulcers are basically little abrasions inside your mouth they’re often caused by something that irritates a spot like braces or dentures rubbing against your cheek or acidic or spicy foods but there are other factors involved too studies have shown that when people are especially stressed they tend to get more canker sores possibly because the hormones your body releases when you’re stressed can trigger inflammation and nutritional deficiencies like if you’re not getting enough iron or vitamin b12 can thin the cell layers lining your mouth leading to more canker sores and then there are the unlucky folks who have recurrent aphthous stomatitis or ras which basically means that they have extra painful canker sores that keep reappearing researchers aren’t totally sure why people get ras but it might have to do with genetics or higher stress levels so to try to prevent canker sores you can avoid spicy foods and be careful with anything sharp or poke in your mouth like braces but there’s no guarantee that you won’t get one anyway the good news is there are things dentists recommend trying to make a canker sore less painful while it heals you can buy treatments with a chemical called benzocaine which interacts with your nerve endings to numbness or so it doesn’t hurt when you chew you can also rinse your mouth with some diluted hydrogen peroxide which will burn like the Sun but will kill off bacteria that might infect the canker sore and make it stick around longer and prescription medications with a steroid called fluid sinan ID can make the canker sore heal faster and interact with your immune system to bring down swelling for tougher cases like Ras doctors can prescribe stronger meds like other steroids or antibiotics they come with stronger side effects but have been shown to reduce the number of canker sores people get and make the ones they do get less painful the next time you get one of these annoying painful things just remember there is hope thanks for asking and thanks especially to all of our patrons on patreon who keep these answers coming if you’d like to submit questions to be answered just go to and don’t forget to go to and subscribe


  1. Accidentally bit myself and have a huge canker sore but I can’t survive without food and I’m Latina so I still ate takis and it hurt like heck but worth it and now it’s hurting even more and I just wanna eat my subway but it hurtsssssss

  2. My mothers trick that she taught me, mix equal parts childrens liquid benadryl and maalox. Swish that over the sore or if you want to be more precise about it use a cotton swab and gently apply it to the sore. It helps so much and it doesn't hurt. I get them so back that my face swells up and they sometimes run from the back of my cheek to my mouth. It doesnt heal it but it does curb the sting of having them. It's the only thing thing that I'd use to help me as a child. Now I'm just use to having them and I just push through it with canker sore patches that you can buy at walgreens. They sting like the devil but they really do help.

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