Blisters on roof of mouth- cold sore virus?

[HaveringWavering]

Every now and again I randomly get a patch of little blisters on the roof of my mouth. They are usually in only one side of my hard palate. They appear very suddenly, I can feel them grow and pop within a couple of hours then they heal over within a couple of days.

I am prone to cold sores and I’ve only just made the connection- do any other cold sore sufferers get these? They are not as painful or slow-healing as external cold sores.

i do get these but usually its caused by eating something sharp that nips into my roof, never linked it to cold sores and i get these when i dont have cold sores

Thanks @chipsandpeas. I’ve never had these at the same time as an external cold sore. I was thinking maybe they are just the cold sore itself choosing to appear inside instead of outside?

I do get cold sores in weird places - just by the corner of my eye is one place. And I generally feel really ill and horrible just before/at the start of the breakout. I believe the virus lives in a nerve and can appear anywhere down the path of that nerve, so yes I do think this could be the cause of your mouth sores. Actually, thinking about it, I do get sore gums on one side and little ulcers sometimes alongside an outbreak.

I get cold sores on my face not just my mouth. They have reduced as I've got older
I also get blood blisters on the roof of my mouth but I don't think they are connected. I bruise easily and think the mouth ones are the result of sharp or salty food or if I'm run down