Stronghold is exactly the same product as Revolution, therefore yes it is also safe for pregnant cats.

Stronghold is designed to make caring for your pet easier by preventing the development of heartworm disease, controlling flea infestations and treating ear mites. It also treats tick infestations and sarcoptic mange in dogs, and is used to control roundworms and hookworms in cats.

大寵愛不包括蜱蟲。但是，大寵愛Plus / 碩騰寵愛Plus 涵蓋了蜱蟲。

大寵愛對 8 周大或以上的小貓來說是安全的。

大寵愛能殺死成年跳蚤並阻止任何有活力的卵的產生。它還會殺死跳蚤的幼蟲階段，從而停止繁殖並打破跳蚤的生命週期。