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

🎇 LABOR DAY SALE 🎇 Use code SAVINGS50 at checkout for 50% off (up to $50) on Subscribe & Save orders.*

*Coupon terms and conditions: code SAVINGS50 applicable for Subscribe & Save orders only. Product exclusions apply. Excluded products include Azodyl, Bravecto, Bravecto Plus, Droncit, Incurin, Mometamax, Numelvi, Optimmune, Posatex, Sentinel, Tri-Heart Plus, VetPen, Vetsulin, compounded and refrigerated medications. Promotional code valid through September 7, 2026.

🎇 LABOR DAY SALE 🎇 Use code SAVINGS35 at checkout for 35% off (up to $35) on your next order.*

*Coupon terms and conditions: code SAVINGS35 applicable for one-time or Subscribe & Save orders over $20. Product exclusions apply. 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 September 7, 2026.

Allergy Relief

Antibiotics

Anxiety, Behavior & Stress

Arthritis, Pain & Joint Health

Dental

Dewormers & Parasiticides

Diabetes & Insulin

Digestive & Gastrointestinal

Ear Care

Eye Care

Flea & Tick

Food

Heart & Blood Pressure

Heartworm

Immune Support

Respiratory Care & Asthma

Seizure & Epilepsy

Skin & Coat

Thyroid & Hormone

Urinary Tract & Kidneys

Vitamins & Supplements

All Cat Food

Dry Food

Treats

Veterinary Diets

Wet Food

All Dog Food

Cat heartworm medicine to prevent heartworm disease. Vet-approved preventatives from Koala Health.

Cat Heartworm Medicine

heartworm

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

Advantage Multi

A monthly oral medication that prevents heartworm disease as well as treats and controls certain intestinal parasites.

Interceptor for Cats

MilbeGuard Tablets for Cats

NexGard® COMBO (esafoxolaner, eprinomectin, and praziquantel topical solution) is protection for cats. It’s a broad-spectrum parasite protection specifically designed for cats that kills fleas and ticks, prevents heartworm disease, and treats and controls roundworms, hookworms, and tapeworms.

Nexgard COMBO for Cats

A monthly topical medication that prevents heartworm disease, prevents and controls flea infestations, ear mites, in addition to certain skin mites, ticks, and intestinal parasites.

Revolt for Cats

Revolution for Cats

Prevents heartworm disease plus prevents and controls flea, tick infestations and treats and controls ear mites and certain intestinal parasites.