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

Use code CHOICE30 at checkout for 30% off up to $30 on your next order.*

*Coupon terms and conditions: code CHOICE30 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. Manufacturer promotional maximums may apply.

Use code ROYAL35 at checkout for 35% off up to $20 on your first Royal Cain Subscribe & Save order.*

*Coupon terms and conditions: code ROYAL35 applicable for first-time Subscribe & Save orders only. Promotional code valid through December 31, 2026. Manufacturer promotional maximums may apply.

Use code EASYFILL50 at checkout for 50% off up to $50 on your first Subscribe & Save order.*

*Coupon terms and conditions: code EASYFILL50 applicable for first-time Subscribe & Save orders only, 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. Manufacturer promotional maximums may apply.

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

Flea & Tick Medicine for Dogs

flea & tick

Selaspot For Dogs

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.