I treated my 8 lb poodle this morning with Biospot. Other that some more rolling around than usual and some more scratching than usual, he seems OK. He is a bit "depressed" but I think that is because my son is away tonight. If there were to be a reaction from Biospot, would it already have happened? If he is in the clear, how long before he can get a regular bath - not flea shampoo?