Banfield Pet Hospital and VCA Animal Hospitals sell them directly through their official online shops. :
Reputable online pharmacies like Allivet , Fetch Pet Rx , and Valley Vet Supply are authorized sellers that handle the prescription verification for you. Quick Buying Tips where to buy sentinel flavor tabs
: Ensure you select the correct color-coded box based on your dog's current weight: Brown : 2–10 lbs Green : 11–25 lbs Yellow : 26–50 lbs White : 51–100 lbs Banfield Pet Hospital and VCA Animal Hospitals sell
Petco offers Sentinel both online and at their in-store . * This product is available by prescription only
* This product is available by prescription only. * Due to federal and state laws, we cannot accept returns on prescription items. Revival Animal Health Sentinel Flavor Tabs for Dogs Rx - Fetch Pet Rx
Walmart Pet Pharmacy stocks various weight-class options (e.g., 2-10 lbs, 11-25 lbs, etc.). :
: You can use the Merck Animal Health Vet Finder to see which local clinics near you carry the brand.