Comboguard is a chewable, flavored tablet that is given every month to dogs only. Comboguard is a preventative that kills heartworms, 3 types of intestinal parasites, and fleas. Comboguard does not kill ticks.

How quickly does Comboguard work?

How quickly will COMBOGUARD kill fleas? In a laboratory study of spinosad alone, an active ingredient of COMBOGUARD, spinosad started to kill fleas within 30 minutes and killed 100% of the fleas within 4 hours. COMBOGUARD kills fleas before they can lay eggs.

Are Trifexis and Comboguard the same?

If you live in Canada, the UK, or Australia, your version of Trifexis is called Panoramis. And, if the name Trifexis scares you, you can get the very same product now under the name Comboguard.