Blisters On Your Lips Bad Blisters On Lips That I Dont Think Are Cold Sores?

Bad blisters on lips that i dont think are cold sores? - blisters on your lips

My stepdaughter had a terrible sore throat now disappeared recently. She suffers with cold sores from time to time, and blisters around the lips, which are terrible. He said he looks very angry and is concerned because they do not like cold sores. r what?