ExoticRx · exoticrx.com/drugs/insulin-glargine
US brand names:Lantus, Basaglar
Insulin Glargine is dosed at 0.25–0.5 IU/kg SC q12h in cats, per Behrend E, Holford A, Lathan P, Rucinsky R, Schulman R. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. J Am Anim Hosp Assoc. 2018;54(1):1-21. doi:10.5326/jaaha-ms-6822; Sparkes AH, Cannon M, Church D, et al. ISFM consensus guidelines on the practical management of diabetes mellitus in cats. J Feline Med Surg. 2015;17(3):235-250. doi:10.1177/1098612x15571880 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.687 (2026-08-01).. Verify against current literature before clinical use.
Long-acting insulin analogue that forms microprecipitates in subcutaneous tissue, providing slow sustained release with relatively peakless absorption over ~24 hours.
Hypoglycemia risk. Do not dilute or mix with other insulins. Preferred for diabetic cats. Dose based on glucose curves.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
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A dog/cat sample is shown here. Cited dosing for all 2 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Cat (Domestic) | SC | 0.25–0.5 IU/kg | q12h | Strong | Behrend E, Holford A, Lathan P, Rucinsky R, Schulman R. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. J Am Anim Hosp Assoc. 2018;54(1):1-21. doi:10.5326/jaaha-ms-6822; Sparkes AH, Cannon M, Church D, et al. ISFM consensus guidelines on the practical management of diabetes mellitus in cats. J Feline Med Surg. 2015;17(3):235-250. doi:10.1177/1098612x15571880 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.687 (2026-08-01). |
| Dog (Domestic) | SC | 0.25–0.5 IU/kg | q12h | Moderate | Hess RS, Drobatz KJ. Glargine insulin for treatment of naturally occurring diabetes mellitus in dogs. J Am Vet Med Assoc. 2013;243:1154-1161. ; Fracassi F, Boretti FS, Sieber-Ruckstuhl NS, Reusch CE. Use of insulin glargine in dogs with diabetes mellitus. Vet Rec. 2012;170:52-U107. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.687 (2026-08-01). |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.