My Chihuahua was bitten my other dog the wound wasnt very big and we cleaned it as much as we could with warm water and soap. we clean it 2 times a day it looked like it was healing hes a happy dog running around he looked like he was gettin g better that didnt stop use from cleaning his wound but just rsently i noticed pus cam out of the wound when i pressed it to clean it and it in the middle of his forhead i press it and it comes out i try and take it all out and clean it but a few hours later it comes back how should i clean it? a friend recommended betadine what do you think?