I think I have a canker sore I get them with some frequency but this one is in an unusual spot for me on the top inside of my lip right above the gum near my iteeth and it is very painful and has a dark dot in the center this time is it a canker sore?
Thanks for your query, the soreness could be because of authors ulcer secondary to stress or immunodeficiency or nutritional deficiency.black spot could be foreign body or blood clot consult an oral physician for further.you can use topical anesthetics and analgesics. I hope my answer will help you.take care.