Vet Guide to Bexacat® (Bexagliflozin) in 2025 🐾
Hi, I’m Dr Duncan Houston BVSc, founder of Ask A Vet. In this detailed 2025 guide, we cover Bexacat®—the first **oral** diabetes medication for cats requiring no injections. Learn how it works, when to use it, proper dosing, potential side effects, safety protocols, and what to monitor. Let’s go! 🐱💉
📘 What Is Bexacat®?
Bexacat® (bexagliflozin) is a sodium-glucose co-transporter 2 (**SGLT2**) inhibitor—an oral tablet approved for feline diabetes. It lowers blood sugar by promoting glucose excretion in urine rather than stimulating insulin production.
✅ Ideal Candidates—Who Can Use It?
- Cats newly diagnosed with diabetes mellitus that are **otherwise healthy**, not dehydrated or anorexic.
- Cats weighing at least **6.6 lb (3 kg)**.
- **Not suitable** for cats previously treated with insulin or with insulin-dependent diabetes mellitus.
- Contraindicated if liver, kidney, pancreatic disease, anorexia, dehydration, or lethargy are present.
📐 Dosing & Administration
- **Standard dose**: 15 mg orally once daily, at the same time each day.
- Can be given **with or without food**, according to label guidance.
- Tablet comes flavored for palatability; monitor to ensure full ingestion.
🩺 Clinical Effectiveness
In clinical trials of newly diagnosed cats, **84%** achieved improved blood glucose control and better quality of life after 56 days of Bexacat® therapy. Many cats showed significant reductions in glucose and fructosamine levels, with sustained benefit through 124 days in extension studies.
⚖️ Advantages Over Insulin?
- **Needle-free** once-daily dosing—no injections required.
- Avoids insulin peaks and low glucose risks—especially attractive to owners wary of injections.
- May simplify management of stable, non-insulin-dependent diabetics.
⚠️ Safety & Side Effects
Common mild effects include:
• Vomiting, diarrhea, reduced appetite, dehydration, mild lethargy.
• Changes in urination and thirst are expected due to glucosuria.
**Serious risk**: diabetic ketoacidosis (**DKA**) or euglycemic DKA—even when blood sugar remains near normal. This may be life-threatening.
🛑 Recognize DKA/Euglycemic DKA
Watch for these signs (even if glucose is normal): lethargy, anorexia, dehydration, diarrhea, rapid breathing. Immediate vet evaluation is critical.
🔄 Monitoring & Follow-Up
- Baseline labs before starting: CBC, chem, urinalysis including ketones.
- Recheck within 1–2 weeks and every 4–6 weeks thereafter—focus on clinical signs, ketones, hydration.
- Monitor fructosamine or blood glucose curves to track control.
- Stop Bexacat® and consider insulin if poor control or DKA develops.
💡 Practical Treatment Plan
🐱 Newly Diagnosed, Well, ≥3 kg
- Start Bexacat® 15 mg once daily; check labs & ketones in 7–10 days.
- Manage mild effects (vomiting, thirst) by offering food, hydration.
- Reassess every 4–6 weeks; if good control and no ketones, continue.
⚠️ Signs of Concern
- If lethargy or reduced appetite—and especially ketones—stop Bexacat®, test for DKA & begin insulin as advised.
- Caution with cats having borderline kidney, liver disease—even subclinical issues.
❓ FAQs
Can Bexacat® replace insulin?
Yes, but only in healthy, newly diagnosed cats not requiring insulin. It's not for those already on insulin or with insulin-dependent diabetes.
Is it reversible if stopped?
Yes, but if DKA or ketoacidosis occurs, immediate insulin therapy and vet care are essential.
Why monitor ketones, not just glucose?
Euglycemic DKA can occur despite normal glucose; ketones reveal metabolic danger earlier.
Cost considerations?
The drug costs around $100–$150/month depending on provider —similar to insulin therapy overall.
📌 Final Takeaways
- Bexacat® is the only oral, once-daily SGLT2 inhibitor approved for feline diabetes in cats ≥3 kg who haven’t yet used insulin.
- 12–84% show improved glucose control and quality of life during trials.
- Ketoacidosis risk exists—even if glucose is normal—so careful screening and ongoing monitoring are crucial.
- Requires weekly follow-ups initially, then every 4–6 weeks; test ketones and labs routinely.
- If any signs of illness or ketones arise, discontinue and initiate insulin/emergency care.
Want help determining if Bexacat® is right for your cat—or need insulin-switch protocols? Download the Ask A Vet app for personalized vet support 24/7. Your cat deserves the best, easier care! 🐾❤️
This article is general veterinary education and does not diagnose or treat an individual animal. Always confirm medication names, doses and interactions with the veterinarian who knows your pet.
If your animal is struggling to breathe, collapsed, bleeding heavily, seizing, or has eaten something toxic, contact your vet or the nearest emergency clinic now.
Animal Poisons Helpline (AU) 1300 869 738 · Animal Poisons Helpline (NZ) 0800 869 738 · ASPCA Animal Poison Control (US) (888) 426-4435
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Ask A Vet articles are written by Dr Duncan Houston BVSc, a practising veterinarian, unless another author is named in the byline.




