I just bought a puppy yesterday and saw quit a few fleas on him today. I went and bought advantage for him right away and applyied it to him and after 4 hours I still see fleas that are alive. Is this medication not working?
I just bought a puppy yesterday and saw quit a few fleas on him today. I went and bought advantage for him right away and applyied it to him and after 4 hours I still see fleas that are alive. Is this medication not working?