A Select Pet Size:
2 - 10 lbs
11 - 25 lbs
26 - 50 lbs
51 - 100 lbs

B Select Supply:

C Select Quantity:

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Product Info

Sentinel is a prescribed medication. It is the only monthly oral preventive that guards against heartworms, adult roundworms, adult hookworms, whipworms, and prevents the development of flea eggs.