Petco offers Sentinel both online and at their in-store .
Walmart Pet Pharmacy stocks various weight-class options (e.g., 2-10 lbs, 11-25 lbs, etc.). : where to buy sentinel flavor tabs
Banfield Pet Hospital and VCA Animal Hospitals sell them directly through their official online shops. : Petco offers Sentinel both online and at their in-store
: You can use the Merck Animal Health Vet Finder to see which local clinics near you carry the brand. where to buy sentinel flavor tabs
: You must have an active prescription from a licensed veterinarian dated within the last 12 months.