Overview
Pimobendan is a medication primarily used in veterinary medicine to manage heart conditions in dogs. It functions as both a vasodilator and a positive inotrope, making it effective in treating congestive heart failure.
How It Works
Pimobendan enhances the contractility of the heart muscle and dilates blood vessels, which reduces the workload on the heart and improves cardiac output.
Uses & Indications
Pimobendan is commonly prescribed for:
- Congestive heart failure due to dilated cardiomyopathy
- Mitral valve insufficiency
Dosage Guidelines
Dogs
- Small Dogs: 0.2-0.3 mg/kg
- Medium Dogs: 0.2-0.3 mg/kg
- Large Dogs: 0.2-0.3 mg/kg
Note: Dosing is typically divided into two daily administrations.
Cats
Pimobendan is not commonly used in cats and should only be administered under strict veterinary guidance.
Administration
Pimobendan is administered orally and is typically given twice daily, approximately one hour before feeding.
Side Effects
Common
- Loss of appetite
- Lethargy
Rare
- Diarrhea
Severe
- Sudden changes in heart rate or rhythm (seek veterinary attention immediately)
Precautions & Warnings
- Not recommended for dogs with hypertrophic cardiomyopathy
- Use with caution in animals with severe liver or kidney impairment
Drug Interactions
- Use cautiously with calcium channel blockers and beta-blockers
Storage
Store at room temperature away from moisture and heat.
FAQ
1. Can Pimobendan be given with food?
It is best given on an empty stomach, at least one hour before feeding.
2. Is Pimobendan safe for puppies?
Safety in puppies has not been established; consult your veterinarian.
3. What if I miss a dose?
Give it as soon as you remember, but skip if it's close to the next dose.
4. Can it be used in cats?
It is not commonly used in cats and should only be given under veterinary advice.
5. What are signs of an overdose?
Symptoms may include vomiting, diarrhea, or instability. Contact your vet immediately.