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.

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Dog blood pressure medication to manage hypertension safely. Trusted, vet-approved treatments from Koala Health.

Dog Blood Pressure Medication

heart & blood pressure

Amiodarone is used to treat abnormal heart rhythms.

Amiodarone

Amlodipine is prescribed to treat high blood pressure and some congenital heart defects.

Amlodipine Besylate

Atenolol is prescribed to treat certain cardiac conditions, especially abnormal heart rhythms.

Atenolol

Benazepril is an ACE inhibitor used to treat congestive heart failure and certain kidney disorders.

Benazepril

Cardalis (spironolactone and benazepril) is used to treat congestive heart failure when it has been caused by chronic degenerative valvular disease.

Cardalis

Clopidogrel is used to prevent blood clot formation secondary to a number of disorders like cardiac and kidney diseases.

Clopidogrel

Diltiazem is used to treat abnormal heart rhythms.

Diltiazem

Enalapril is an ACE inhibitor used to treat congestive heart failure and certain kidney disorders.

Enalapril

Furosemide is a diuretic used to treat fluid build-up, most commonly due to heart failure.

Furosemide Oral Syrup

Furosemide Tablets

Gemfibrozil is a prescription medication used to help treat high cholesterol and hyperlipidemia, high levels of fats in the blood.

Gemfibrozil

Mexiletine is used to treat abnormal heart rhythms.