The Costco Pharmacy is accessible to anyone who is filling a prescription there. Because of state and federal regulations on this, you do not need to be a membe

The Costco Pharmacy is accessible to anyone who is filling a prescription there. Because of state and federal regulations on this, you do not need to be a member if you are there to fill a valid prescription (not OTC.) You can enjoy Costco's ordinary low prices, but not the member-exclusive discounts. You can inform the person checking IDs and they will admit you to the store. Now off to my PCP for a Polish Dog with Mustard and Onions Prescription...