: One of the lowest base prices found, with 6-month supplies for small dogs starting as low as $45.99 .
: Use offer codes like SENTINEL2026 or BRVSNT26 at the official Merck Rewards site.
: Use GoodRx for Pets to find the current lowest price across multiple pharmacies and access exclusive coupons that can save you up to 40% on your first order. Price Comparison by Dog Weight (Typical 6-Month Supply) Dog Weight Typical Low Price Best Source for Value 2 - 10 lbs ~$45.99 - $51.99 Pet VM or Allivet 11 - 25 lbs Chewy or Tractor Supply 26 - 50 lbs Heartland Vet Supply 51 - 100 lbs PetMeds Go to product viewer dialog for this item. Sentinel Flavor Tabs for Dogs 11-25 lbs
: Good for new customers with the coupon code WELCOME10 for an additional discount on top of their standard pricing.
