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10 Costco Membership Perks Most Shoppers Never Use

A cozy, natural snapshot of a person sitting on a living room rug with their golden retriever next to a prescription bottle.
A woman sits with her golden retriever near a prescription bottle, highlighting affordable pet medication options.

Tip #3: The Costco Member Prescription Program for Humans and Pets

Healthcare expenses routinely strain household budgets, but the Costco Member Prescription Program (CMPP) offers a powerful defense against high drug prices.

This targeted savings program provides tiered discounts ranging from 2% to 40%—and up to 80% on select generic medications—for members who lack prescription drug coverage or who take medications not covered by their insurance plans.

Even if you already have health insurance, Costco’s cash prices for generic medications frequently beat insurance copays.

The most lucrative secret within this program is that it extends directly to your furry family members. Veterinary clinics routinely mark up maintenance medications for dogs and cats by 100% to 200%.

Medications for common pet conditions—such as flea and tick preventatives, heartworm treatments, thyroid medications, and pain management drugs—can be filled at the Costco pharmacy counter for warehouse pricing.

Simply ask your veterinarian to write a physical prescription or transfer your pet’s existing prescription directly to your local warehouse.

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