Sentinel is not nessisarily for fleas just keeps them from reproducing. So you will need to find an actual flea and tick preventive to use with it. I use nexguard and love it but they have to be 5 pounds I think. Trifexis is deadly and dangerous so please don't use it.
__________________  Taylor  My babies Joey, Penny , Ollie & Dixie   Callie Mae, you will forever be in my heart! |