My daughter got some cuts on her mouth and some white spots too , he hasn't been able to eat because she cries ?

Primary Herpes : Simplex Virus 1 infections at 6 mos.- 5 yrs. can cause blisters that turn into ulcers on gums, cheeks, palate, tongue & lips, fever, drooling & refusal to eat or drink for ~ 2 weeks. Take her to a pediatrician tomorrow; if she appears dehydrated, take her to a hospital-based ped. ER tonight. Offer Popsicles, milkshakes, ice cream jello -no acidic or fizzy drinks. Give ibuprofen for pain & fever.