The symptoms described by you can either be herpetic gingivostomatitis
or simply stomatitis. if fever is also there , it can be herpetic gingivostomatitis. but if theirs no fever , than it can be simply stomatitis. if its the former one, drink lot of water, take antivirals( acyclovir
) along with painkillers like acetaminophen
, though it is self limiting disease. if its the later, then go for multivitamins along with topical gel like ORAHEAL or MUCOPAIN. apply them 3-4 times a day .
wishing you good health
with best regards