Diabetes Mellitus in Dogs
Canine diabetes is predominantly insulin-dependent (type 1-like, immune-mediated beta cell loss). Remission is uncommon (unlike cats). Twice-daily insulin + consistent diet + concurrent diestrus spay in intact females is the AAHA standard.
DKA in a diabetic dog is a critical emergency. Intact females need OHE — diestrus progesterone causes severe insulin resistance.
Symptoms to watch for
- •Polydipsia, polyuria
- •Polyphagia with weight loss
- •Cataracts (>75% of diabetic dogs within 1 year)
- •Recurrent UTIs
- •Lethargy in advanced cases
Treatment options
FDA-approved porcine insulin (lente) — twice-daily.
ProZinc — FDA-approved for dogs (2019) twice-daily.
Lantus off-label — flexible dosing.
Valid vet prescription required · HIPAA-compliant · Free to pet owners
FAQs — Diabetes Mellitus in Dogs
Sources & review
Reviewed by: ScriptUnlock Pharmacy Verification Team
Last reviewed: June 2026
Sources cited:
- • 2018 AAHA Diabetes Guidelines
- • WSAVA Endocrine Guidelines
This information is educational and does not substitute for veterinary advice. Always confirm diagnosis, dosing, and treatment plan with your veterinarian. ScriptUnlock connects pet owners to verified pharmacies; we do not provide veterinary advice.