Use code ONREPEAT at checkout for 65% off up to $65 on Auto-Refill Orders.

Use code DOGDAY40 at checkout for $40 off your next order over $100.*

*Coupon terms and conditions: code DOGDAY40 applicable for one-time or Subscribe & Save orders, for a limited time. Coupon codes apply to many, but not all, products. Excluded products include but are not limited to Azodyl, Bravecto, Bravecto Plus, Droncit, Incurin, Mometamax, Numelvi, Optimmune, Posatex, Sentinel, Tri-Heart Plus, VetPen, Vetsulin, compounded and refrigerated medications. Promotional code valid through August 23, 2026.

Use code DOGDAY60 at checkout for $60 off your next order over $200.*

*Coupon terms and conditions: code DOGDAY60 applicable for one-time or Subscribe & Save orders, for a limited time. Coupon codes apply to many, but not all, products. Excluded products include but are not limited to Azodyl, Bravecto, Bravecto Plus, Droncit, Incurin, Mometamax, Numelvi, Optimmune, Posatex, Sentinel, Tri-Heart Plus, VetPen, Vetsulin, compounded and refrigerated medications. Promotional code valid through August 23, 2026.

Now Available on Koala: Royal Canin Vet Fresh Frozen Diets! Use code FRESH50 at checkout for 50% off your first Subscribe & Save order.*

*Coupon terms and conditions: code FRESH50 applicable for first-time Subscribe & Save orders only. Coupon code applies to the following products: Royal Canin Appetite Stimulation Fresh Frozen Dog Food, Royal Canin Gastrointestinal Low Fat Fresh Frozen Dog Food, and Royal Canin Selected Protein Pork Recipe Fresh Frozen Dog Food. Promotional code valid through December 31, 2026.

Allergy Relief

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All Cat Food

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Treats

Veterinary Diets

Wet Food

All Dog Food

Flea and tick medicine for dogs to protect against parasites year-round. Trusted treatments from Koala Health.

Flea & Tick Medicine for Dogs

flea & tick

A monthly oral medication that prevents heartworm disease, controls flea infestations, and treats and controls certain intestinal parasites including whipworms.

Sentinel Flavor Tablets for Dogs

A monthly oral medication that prevents heartworm disease plus prevents and controls fleas and intestinal parasites including tapeworms and whipworms.

Sentinel Spectrum Tablets for Dogs

Seresto Collar is an effective, reliable alternative to monthly flea and tick topicals that repels and kills fleas & ticks for 8 consecutive months.

Seresto Flea & Tick Collar for Dogs

Sarolaner (Simparica) is a monthly chewable medication that prevents and controls flea and tick infestations in addition to prevent Lyme disease by killing certain kinds of ticks.

Simparica Chewable Tablets for Dogs

A monthly oral medication that prevents heartworm disease, treats and controls certain intestinal parasites, and prevents and treats flea and tick infestations.

Simparica TRIO for Dogs

A monthly oral medication that prevents heartworm disease, treats, controls, and prevents flea infestations, and treats and controls certain intestinal parasites including whipworms.

Trifexis for Dogs

Vectra 3D is a monthly topical medication used to treat and prevent flea and tick infestations and repel biting flies including mosquitoes.