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Prazosin is a generic medication for the brand drug Minipress. Prazosin is an alpha blocker used in the treatment of congestive heart failure, high blood pressure, and lung high blood pressure in dogs. It may also be used to treat obstructions of the urethra (urinary tract) in dogs and cats.
Prazosin can cause rapid heartbeat, low blood pressure, sleepiness, nausea, vomiting, or constipation. Prazosin interacts with several medications including verapamil, beta blockers, and others. Contact your pet's veterinarian or VetRxDirect Pharmacist about possible drug interactions with Prazosin. This medication is best given with food and you should call your pet's veterinarian immediately if your pet becomes unusually weak or tired.