The , or CSA, was not established until after the FDA required that all drugs must be proven safe and effective.

i think it would be they must be proven safe and effective from it.

when you rub, you also apply pressure, that pressure can urge the poop to come out. i think that when your rubbing, you also might be slightly breaking it up and that can further fill the stomach.  

i think he will be okay, id probably take the dog to the vet just incase