it could possibly be strep throat - but the only one who can really confirm that is a medical professional. a doctor or urgent care can give you a rapid strep test and then treat you if you have strep. it can heal on its own too if you take care of yourself.
i have red inflamed tonsils with a blister looking spot for a week. and now white spots. what is it? . i have had a sore throat for about a week now and it looks like a large blister spot on my tonsil. now both tonsils have some white spots and are very red. it is painful to swallow and i do not have any cold symptoms.