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Immune Support

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At PetSmart, we know you always want your cat to be feeling their best. That’s why The Pharmacy at PetSmart has what your veterinarian prescribed when it comes to immune support for cats.
PetSmart customers can place prescription orders through The Pharmacy website, as long as they are active prescriptions that have been prescribed by a vet in the last 12 months.
Prescriptions from a licensed veterinarian are required to purchase cat immune support medication from The Pharmacy at PetSmart. All medications are fulfilled by Allivet. Need to find a vet? We have you covered.
Need something besides medication that provides immune support for cats? The Pharmacy has a wide range of medications for your fluffy kitty, including:
Once you’ve ordered your cat’s prescription, browse our aisles for great prices on what you need for your cat. We sell cat treats, toys or catnip. Or shop PetSmart’s great selection of cat supplies, like cat food, kitty litter, cat bowls and more.
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Save 35% on your first Autoship order up to a maximum savings of $20.00 and 5% on recurring orders. Must be signed in to your Treats account to receive discount. Savings will automatically reflect in shopping cart with purchase of qualifying product and enrollment in Autoship. Exclusions apply. Eligible products only. See product page to determine eligibility. Not valid on services, gift cards, gift certificates, previous purchases & charitable donations. Offer may not be combinable with other promotional offers or discounts. Autoship terms and conditions apply. Treats members receive free shipping on select orders over $49.00, prior to taxes & after discounts are applied (additional terms apply). Prices & selection may vary. While supplies last. Quantities may be limited and deliveries may be delayed.
Treats Rewards members enjoy Free Standard Shipping on select orders over $49. Must be signed into your Treats Rewards account prior to purchase. Transaction total is prior to taxes & after discounts are applied. Savings will automatically reflect in shopping cart with the purchase of qualifying merchandise. Maximum value $75. Due to size and/or weight, certain items bear an additional shipping surcharge or special handling fee. Valid only on orders shipped within the contiguous 48 U.S. states, military APO/FPO addresses and select areas throughout Canada. Offer not valid on all or select products in the following categories: live pets, canned, fresh or frozen foods, select cat litters. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Delivery may be delayed due to acts beyond our reasonable control, which may include, but are not limited to, weather, strikes, power outages, shutdowns, local, provincial or federal governmental actions, and other similar acts. Offer valid on PetSmart.com.
Free Same-Day Delivery is available in most areas. Eligible products only. Exclusions apply. See product page to determine eligibility. While delivery is contact-free, we recommend being home during the delivery window to bring perishable items inside right away. Prices & selection may vary in stores & online. While supplies last. Quantities may be limited. See www.petsmart.com/help or store associate for more details.
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