[Ellie May]

Program is a chitin inhibitor. It does not kill fleas but makes reproduction impossible. Sentinel does nothing for ticks.
i do not use tick products. We don't have to here.

I hope they have two formulas. Should not need taoework protection if fleas are dealt with.

Anybody sitching to Sentinel, remember it dan be nauseating. Always give with a meal, esp. for tummy upset prone pups.