Have Cat Questions? Ask a Cat Vet Online.
You're speaking with Dr. Michael Salkin. Welcome to JustAnswer. I'm currently typing up my reply. Please be patient. This may take a few minutes.
May I suggest the less costly epoetin alpha (erythropoietin) which Sambuca's vet can call into Costco for you? Unless things have changed, Costco will sell single 2 mL multi-dose vials. If Aranesp must be prescribed as per the vet, Costco should still be able to obtain it for you but you'll need to give their pharmacy a call and check for availability
Thank you for the additional information. I don't believe that the pharmacies vary in that regard. It's true that antibody formation is seen in up to 70% of patients on epoetin alpha but careful observation and monitoring of my patient's hematocrit (PCV) avoids a crisis. Try human hospitals who might fill a prescription for just one vial of Aranesp.