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A member asked:

How come salt numb canker sores?

A doctor has provided 1 answer

Burning: The canker sore is an ulcer (loss of overlying tissue) and the salt is burning the underlying raw tissue.

Answered 2/2/2019

4.6k views

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Related Questions

A member asked:

Started brushing teeth 3-4 times/day & rinsing with salt water. Getting canker sores a bit more often now. Can my change in oral hygiene cause this?

A doctor has provided 1 answer

A member asked:

Whats the difference between canker sores and ulcerative oral lichen planus? I get little ulcers in my mouth usually 4-5 at a time, but they resolve with salt water rinse and applying honey to them. Dont lichen planus ulcers last for months?

A doctor has provided 1 answer

A member asked:

I have several ulcers/canker sores all over my mouth and nothing is helping. not warm salt water rinse, not oragel mouth wash for sores, not mylanta and benadryl. How can I get them to heal?

2 doctors weighed in across 2 answers

A member asked:

I used ice to numb the pain on the two remaining ulcers lesions sores whatever applied hot water salt benzoyl peroxide also gargled with hotwatersalt ?

A doctor has provided 1 answer

A member asked:

Why does salting a canker sore or wound numb the pain for awhile?

4 doctors weighed in across 2 answers

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What is the aspect of sodium lauryl sulfate that gives you canker sores?
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