Thank you for your query.
is probably alergic or related to a simple viral infection, if everything else seems normal. It would be good to know her age, but I can say to you that stress
related to the disease of the father is probably a factor here too. If benadryl
is working, you can keep giving it according to instructions of the package. If not, a pediatric visit might be needed.
Have a nice day and good luck.