Allergic Reaction such as a dog
would get if it were stung.  Use
Benadryl - 1 mg. per pound of weight.
NOTE: Benadryl for an Allergic Reaction
such as a dog would get if it were stung.  
Use Benedril - 1 mg. per pound of weight.
Adults usually come in 25 mg. pill or tab.
Thank you, Ivette:

Children's Liquid Benadryl _ 5 ml = 12.5 mg.
of diphenhydramine or 1 teaspoon.