Which dips should never be used on cats?

The correct answer is organophosphate dips. Organophosphates are a class of chemicals that are commonly used as insecticides and can be highly toxic to cats. Cats have a unique metabolic pathway that makes them particularly sensitive to these substances. Their liver lacks certain enzymes that are necessary to break down organophosphates, leading to the risk of poisoning. Symptoms of organophosphate toxicity can include excessive salivation, muscle tremors, respiratory distress, and even death in severe cases.

While the other options also pose some risks, organophosphates are particularly notorious among veterinary professionals for their adverse effects on feline patients. It’s essential to ensure that any topical treatments or dips used on cats are safe and specifically formulated for their physiology to prevent harmful reactions.