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

Antibiotics

Anxiety, Behavior & Stress

Arthritis, Pain & Joint Health

Dental

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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

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 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

Fluralaner (Bravecto) is a medication given every month to treat and prevent flea and tick infestations.

Bravecto 1-Month Chew for Dogs

Fluralaner (Bravecto) is a medication given every 12 weeks to treat and prevent flea and tick infestations.

Bravecto 3-Month Chew for Dogs

Bravecto Topical Solution for Dogs

Spinosad (Comfortis) is a monthly chewable medication used to treat and prevent flea infestations.

Comfortis

Lotilaner (Credelio) is a monthly chewable medication used to treat and prevent flea and tick infestations.

Credelio for Dogs

Frontline Gold is a monthly topical medication used to treat and prevent flea and tick infestations.

Frontline Gold for Dogs

Frontline Plus is a monthly topical medication used to treat and prevent flea and tick infestations.

Frontline Plus

Frontline Shield is a monthly topical medication used to treat and prevent flea and tick infestations.

Frontline Shield

A monthly chewable medication that prevents and controls flea and tick infestations in addition to preventing Lyme disease by killing certain kinds of ticks.

NexGard

NexGard PLUS is a new one-and-done monthly combination product for dogs that protects against fleas, ticks, heartworm disease, roundworms and hookworms. Tasty beef-flavored soft chew is designed to make compliance easy and enjoyable for dog owners

Nexgard PLUS for Dogs

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.