Could be this one

10 messages in this subject.

i bite my nails and get ulcers all the time, going to try to quit with this as motivation, ill keep u posted idk yet
taksev asen 3 April 20
I have mouth ulcers all pver the back roof of mouth . All around and behind that thing that hangs down from the roof of the back of mouth
Sorry at the moment i not sure what that part of my mouth is called. It like a small tail hanging from back of mouth .but i bite the skin around my nails all the time . The back of my throat/mouth hurts and burns . They wont go away.
Don 14 February 20
I just bit my nails, and there is a slit on my gums, it hurts like crazy...
What do I do and how long does it take to heal?
Visitor 3 August 15
best way to avoid this..cut ur nails once they grow...not with teeth ..with a nail cutter :P
abc 10 November 11
David above, I do the same thing. I play with them in my mouth. Does anyone know a substitute for the nail that is similar to the nail fragment I play with?
fred 11 April 11
hi all
same here just stopped biting my nails and not one ulcer in four weeks after trying everything
scott 14 August 10
Hi everyone. I am convinced this has been the cause of my ulcers too. I have had ulcers off and on since I can remember - sometimes several that are so painful I can't eat or speak and it struck me one time that biting my nails may have an effect. I don't think its just because your nails have bacteria, but more because they have bacteria AND they are sharp.

So with me, I used to bite my nail and then kind of crunch them up in my mouth or play around with them with my tongue (disgusting I know) and inevitably, these sharp shards are going to prick your tongue, gums and cheeks - probably without you even noticing. This is what I think was causing them.

I have stopped biting my nails, or if I accidentally notice that I have, immediately spit them out. I started this almost a year ago and I don't think I have had a single one since. I'd love to know how many regular mouth ulcer sufferers are also nail biters and whether there is a correlation.
David 24 March 08
The same thing happens to me. I bite my nail, my hand slips and I scratch my gums. Then voila! Amazing ulcer. Like, a small disgusting, incredibly painful little crater. Iíve been trying mouthwash every night as well, and not trying to antagonize the area by doing anything that makes it hurt more. I used to do the mouthwash and/or salt water, and would purpose try to stretch out the sore by moving my jaw and lips, if that makes sense. This time around, Iím trying to keep my lip as still as possible. So far, so good...
Kelly 8 September 07
Hi There
Thats really interesting what you have written. I seem to go sometimes months with no problems then bam! The bonjela is working overtime. But thinking about what you wrote, I have just had an ulcer attack and remember biting my nails recently with the usual foul taste in my mouth once I done it. Will keep an eye on it and see how it goes.

Thanks for the possible idea!
welshrob 8 August 07
I had been having tongue/mouth ulcers for years. I always thought that it could be due to stress & lack of sleep & hence never bothered to look from another perspective. But recently I discovered that there could be another cause for my ulcers, because this time I had no stress & slept 8-9 hrs peacefuly. So when thinking around, I found that I have habit of biting nails (not out of stress :) ). Could be the bacteria underneath nails get pricked into my edges of tongue or cheek when I bite them. they seem to grow well until my immune system battles them out.

Also Had been regularly goggling with Anti-septic mouthwash. This has speeded up my healing.

I hope to continue monitoring without stopping my nail biting habit before affirming my new cause. If any of you think my thoughts are valid, please comment. Thanks
Kannan Rasappan 7 August 07

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Could be this one

10 messages in this subject.