Pimobendan

Pimobendan

medications

Alternate names

heart medication, Vetmedin, inodilator

Toxicity to pets

Pimobendan, a common veterinary heart medicine, is a benzimidazole-pyridazinone calcium sensitizer and phosphodiesterase III inhibitor. It works by increasing the contraction of the heart while providing some “vasodilatory” properties (which means it allows blood vessels to dilate). It is commonly used to treat dogs with congestive heart failure from either chronic valvular heart disease or dilated cardiomyopathy.
Pimobendan is available as a chewable tablet in 1.25, 2.5, and 5 mg sizes. As these are chewable tablets, pets may accidentally ingest large, toxic amounts. Poisoning can result in inappetance, lethargy, an elevated heart rate, collapse, low blood pressure, weakness, etc. Accidental ingestion should be treated immediately.

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    Disclaimer

    The content of this page is not veterinary advice. A number of factors (amount of substance ingested, size of the animal, allergies, etc.) determine what is toxic to a particular pet. If you think your pet has eaten something potentially toxic, call Pet Poison Helpline or seek immediate veterinary treatment.