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Q. Is it bad if my canker sore bleeds on brushing?

Answered by
Dr. Rakshana Devi
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Oct 27, 2021

Hi doctor,

I am a 18-year-old female, and I have been dealing with a canker sore for the past week. The sore does not hurt. When I brushed my teeth this morning, the canker sore started bleeding. I have had canker sores before, and it has never bled. I have been using numbing gel during eating to eliminate the burning sensation.

Kindly help.

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Hello,

Welcome to icliniq.com.

Usually, oral sores or abscesses have a fluid accumulation. The fluid may be blood or a collection of any other fluids. So, you need not worry. Once the fluid comes out, the sore starts to subside. Kindly attach an intraoral picture to check for the presence of any dental caries, as dental caries also leads to abscess formation. It will take ten days on average for the sore to subside completely. No medications are needed. Kindly take a proper diet, drink more water, consume curd, avoid getting stressed, apply coconut oil, warm water, salt rinse, and use mouth wash.

Kindly follow up with a clinical picture to check for dental caries as the treatment for an abscess with dental caries is different.

Take care


The Probable causes:

Stress, vitamin deficiency, and dental caries.

Investigations to be done:

Intra oral periapical radiograph.

Differential diagnosis:

Periapical abscess.

Treatment plan:

Proper oral hygiene and diet modification.

Regarding follow up:

Followup with a intraoral picture of your oral cavity.


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