Library
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Phenoxybenzamine is used off label in dogs and cats to treat urination difficulty related to sphincter tone, high blood pressure related to pheochromocytoma, and in horses to treat laminitis. Give phenoxybenzamine as directed by your veterinarian.
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Phenylbutazone (brand names: Butazolidin, VetriBute, Butatron, Phenylbute) is given by mouth in the form of a paste, powder, tablet, or granules or by an injection into the vein in horses. Do not use this medication in horses that are allergic to it. If a negative reaction occurs, please call your veterinary office.
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PhytoVet KET Flush is used to treat and prevent ear infections in many species of pets. It comes as a liquid solution that is used topically within the ear canal.
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Ponazuril is given by mouth and is used on and off label to treat protozoal parasites in several animal species. Side effects are uncommon but may include soft stools.
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Praziquantel is given on and off label and by mouth or injection to treat various internal parasites in cats, dogs, small mammals, birds, reptiles, and large animals. Do not use in pets that are allergic to it, in puppies less than 3 weeks old, or kittens less than 6 weeks old.
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Prednisone/prednisolone is given by mouth or injection and is used on and off label to treat Addison’s disease, inflammatory conditions, neoplasia (cancer), and immune-mediated diseases. Give this medication as directed by your veterinarian.
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Probiotics are given by mouth and are used over the counter to treat gastrointestinal upset. Give as directed by your veterinarian. Side effects are rare but may include gas or mild discomfort. Do not use in pets that are very sick and immunocompromised, or in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.
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Procainamide (brand names Pronestyl®, Biocoryl®, Procan®, Procanbid®) is an antiarrhythmic drug used off label (extra label) in dogs and horses to treat abnormal heart rhythms such as atrial fibrillation, ventricular premature complexes, and ventricular tachycardia.
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Propantheline bromide (brand name: Pro-Banthine®) is an antimuscarinic used off label to treat muscle spasms, incontinence, diarrhea, and sometimes slow heart rate. In horses, it is used to relax the muscles for procedures in the colon.
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Propranolol (brand names Inderal®, Detensol®, Hemangeol®, Innopran®) is a beta-blocker used off label (extra label) to treat abnormal heart rhythms (arrhythmias) in cats, dogs, ferrets, and horses. It has also been used short-term to treat hypertension caused by thyrotoxicosis or pheochromocytoma. It is given by mouth or injection.