
Amiodarone HCl is an FDA-approved commercial product, dispensed by Mixlab for veterinary use in dogs. Available by prescription.
The uses and pharmacology described below reflect the FDA-approved labeling for this active ingredient; your veterinarian determines whether and how they apply to your animal's treatment plan.
Amiodarone is a class III antiarrhythmic that prolongs the cardiac action potential and affects multiple ion channels. On the FDA-approved human label, it is indicated for the treatment of life-threatening ventricular arrhythmias.
In veterinary medicine, amiodarone is used off-label in dogs, typically in emergency or critical-care settings, for arrhythmias that have not responded to other antiarrhythmic treatment. This information is not a substitute for veterinary diagnosis, prescribing, or monitoring.
This medication is generally administered and initiated under direct veterinary supervision, often in a hospital setting, with continuous heart rhythm monitoring. Reported effects include low blood pressure, liver enzyme changes, and gastrointestinal upset; with longer-term use, thyroid function changes have also been reported. Tell your veterinarian about all other medications your dog is taking, since amiodarone has significant drug interactions.
Yes. Amiodarone is available only by prescription from a licensed veterinarian.
The active ingredient has an FDA-approved human label. Mixlab dispenses the commercial product under a licensed veterinarian's prescription for use in your dog.
Amiodarone is used, typically in emergency or critical-care settings, for arrhythmias that have not responded to other antiarrhythmic treatment. Your veterinarian determines whether it's appropriate for your dog.
Contact Mixlab to discuss your patient's specific needs — compounding options are evaluated case by case.




