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Cats + Medications & Supplements

  • Prazosin is given by mouth and is used to reduce urinary sphincter tone to relax the bladder and allow easier urination in dogs and cats. It may also be used as a treatment for congestive heart failure, systemic hypertension, or pulmonary hypertension in dogs. Give as directed. Common side effects include lethargy, vomiting, diarrhea, nausea, and constipation. This medication should be used with caution in pets with kidney disease or other conditions that cause low blood pressure, as well as in MDR1-positive dogs. If a negative reaction occurs, contact your veterinarian.

  • Prednisolone ophthalmic is a topical steroid medication used to treat inflammatory eye conditions in cats, dogs, and other animals. Prednisolone ophthalmic is available as a sole agent or in combination with antimicrobials. It may be used “off label” or “extra label” to treat other eye conditions. Prednisolone ophthalmic comes in ointment and liquid drop form. Avoid use in animals with viral or fungal infections, corneal ulceration, and birds.

  • 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. Common side effects include increased drinking, increased urination, and increased appetite. Do not use in pets that are allergic to it, or pets with systemic fungal infections, viral infections, ulcers, tuberculosis, or Cushing’s disease. If a negative reaction occurs, please call your veterinary office.

  • Pregabalin (brand name Lyrica®), is an anticonvulsant and neuropathic pain medication. It is used to treat refractory or complex partial seizures and chronic neuropathic pain in small animals. It has been used to treat other types of pain in cats and dogs. It is used "off label" or "extra label" in animals. Pregabalin comes in capsule or liquid suspension form.

  • Propantheline bromide is given by mouth or injection and is used off label to treat diarrhea, slow heart rate, and incontinence. Give as directed by your veterinarian. Common side effects include dry mouth, dry eyes, fast heart rate, difficulty urinating, and constipation. Do not use in pets that are allergic to it or similar drugs, or pets that have certain heart, bladder, or intestinal problems, glaucoma, or myasthenia gravis. If a negative reaction occurs, please call your veterinary office.

  • 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.

  • Psyllium combination supplements (e.g., DiaGel®) are used in cats and dogs to help control diarrhea and constipation. They contain psyllium seed husks and other natural products that help restore normal bowel movements. Psyllium combination supplements come in powder and liquid gel form (pre-measured syringes).

  • Psyllium fiber capsules (brand name Vetasyl®) are fiber supplements used in cats and dogs to help promote bowel health. Vetasyl contains psyllium seed husks and barley malt extract powder contained in gelatin capsules.

  • Pyrantel pamoate is given by mouth and is used on and off label to treat intestinal parasites in many species. Give as directed. Side effects are uncommon but may include stomach upset, such as vomiting or diarrhea. Do not use in pets that are allergic to it. If a negative reaction occurs, call your veterinarian.

  • Pyrethrins + piperonyl butoxide + bicycloheptene dicarboximide otic (brand name Otomite Plus®) is a medication used to treat ear mites in dogs and cats older than 12 weeks of age. Pyrethrins + piperonyl butoxide + bicycloheptene dicarboximide otic comes in a liquid drop form. It is highly toxic to aquatic species and toxic to cats if ingested.