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

✨ FOURTH OF JULY SALE: Use code JULY35 at checkout for 35% off up to $35 on your next order.* ✨

*Coupon terms and conditions: JULY35 valid for first-time orders over $20, not limited to Autoship. 35% off up to $35. 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 July 6, 2026.

🎆 FOURTH OF JULY SALE: Use code JULY50 at checkout for 50% off up to $50 on your next Autoship order.* 🎆

*Coupon terms and conditions: code JULY50 applicable for auto-refill 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. Promotional code valid through July 6, 2026.

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Thyroid and hormone medication for cats to manage endocrine conditions safely. Trusted treatments at Koala Health.

Thyroid & Hormone Medication for Cats

thyroid & hormone

Dexamethasone is a steroid used to treat immune-mediated and inflammatory conditions.

Dexamethasone

Methimazole (Felimazole) is used to treat overactive thyroid glands, also known as hyperthyroidism.

Felimazole

Triamcinolone (Kenalog) is a steroid used to treat inflammatory conditions, especially allergy and skin disorders.

Kenalog

Methimazole is used to treat overactive thyroid glands, also known as hyperthyroidism.

Methimazole

Methylprednisolone is a steroid used to treat inflammatory conditions, especially allergy and skin disorders.

Methylprednisolone

Prednisone and prednisolone (PrednisTabs) are steroids used to treat a wide variety of dog and cat illnesses including inflammatory conditions, immune-mediated diseases, certain cancers, and Addison's disease (hypoadrenocorticism).

PrednisTabs

ProZinc (protamine zinc insulin) is a prescription medication to help support the insulin levels of diabetic cats and dogs.

ProZinc U-40 Insulin

Triamcinolone is a steroid used to treat inflammatory conditions, especially allergy and skin disorders.

Triamcinolone

Vetsulin (porcine insulin zinc suspension) is the first and only FDA-approved insulin for the treatment of diabetes in dogs and cats.