News|Articles|November 3, 2026

AAHA guidelines spotlight 12 emerging parasites in dogs and cats

New One Health guidelines from the American Animal Hospital Association cover parasites that are spreading, resurfacing, or getting harder to treat. They also cover how to use parasite medications wisely and how to talk with clients about risk.

A hookworm that can survive treatment with 3 drug classes, tapeworms resistant to praziquantel, and a myiasis-causing fly that resurfaced in the US this year are among the threats highlighted in new guidelines from the American Animal Hospital Association (AAHA).1

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