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Your cherished companion. Our commitment to dependable care.

Whether your pet is curling up on the sofa or playing in the yard, the essentials of pet health are up to you, including protection from fleas, ticks and more. For decades, Bayer has been getting the basics precisely right – so that you can focus on the little moments that make your relationship…yours.

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We're making it easier than ever to help defend your pet from

fleas, ticks, heartworm disease and more - for less.


Expert answers at your fingertips.

When you love your pet from tip to tail, you may have questions about their care. Check out our library of pet care basics.

  • Flea Icon

    Flea bites can hurt your cat—and your cat’s health

    Seeing a flea on your clean, well-cared for cat can be a horrifying experience. In addition to the major “ick” factor fleas bring, they can bite your cat, causing pain and leading to health issues.

    Examine flea risks ›
  • No ticks icon

    Myth: Ticks don’t harm cats

    You’ve probably heard of Lyme disease, which can affect dogs. Luckily, it doesn’t affect cats. But there are other diseases caused by ticks that can be deadly to cats. Learn about the risks and how to prevent ticks on cats.

    Understand tick disease risk ›
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Science For A Better Life

Bayer gives back.

We believe in
our products, designed
to help protect your pet
from fleas, ticks and more. And we also believe in supporting the causes and institutions that share our commitment to the value pets bring to our lives and help to ensure the ongoing care of our pets and communities.