C.F.
Take him to the dr's. There is a foot/mouth also. If it is it's viral and only comfort care can be done. No daycare or be around other kids due to the spreading factor. Be sure to read labels on floor care products some are not recommended to use with pets. If it can't be used with pets don't use with toddlers either. Pets lick themselves to bathe and kids put everything including fingers and toes in their mouths. Dogs have been known to go into kidney failure and die from floor cleaning products.