Equine · Equus caballus · typical adult weight 350.00–700.00 kg
Flunixin Meglumine is dosed at 1.1 mg/kg IV q12-24h in horses, per US FDA. Banamine (flunixin meglumine injection) 50 mg/mL, NADA 101-479, Merck Sharp & Dohme. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2e531abd-b3ec-4819-81a3-f51e6867658c - horses and beef/dairy cattle; horses 0.5 mg/lb (1.1 mg/kg) IV or IM once daily, up to 5 days.. Flunixin Meglumine is used in horses for Musculoskeletal pain, colic, endotoxemia, Musculoskeletal pain, chronic pain. Routes documented in horses: IV, PO. A typical adult horse weighs 350.00–700.00 kg. ExoticRx lists 2 cited dose rules for Flunixin Meglumine in horses, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Banamine
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 1.1 mg/kg | q12-24h | 5 days max | Musculoskeletal pain, colic, endotoxemia | Strong |
| US FDA. Banamine (flunixin meglumine injection) 50 mg/mL, NADA 101-479, Merck Sharp & Dohme. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2e531abd-b3ec-4819-81a3-f51e6867658c - horses and beef/dairy cattle; horses 0.5 mg/lb (1.1 mg/kg) IV or IM once daily, up to 5 days. |
| PO | 1.1 mg/kg | q12-24h | Up to 5 days | Musculoskeletal pain, chronic pain | Strong | US FDA. BANAMINE Paste (flunixin meglumine), NADA 137-409, Merck Animal Health. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=26d5eb1e-e9f3-4c3f-abb2-fe432cf09353 - horses only; 0.5 mg/lb (1.1 mg/kg) PO ONCE DAILY, not to exceed 5 consecutive days. |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 1.1 | IV | Papich Saunders Handbook of Veterinary Drugs, 4th edp.366 | • 1.1 mg/kg q24h for up to 5 days IV or IM. Note: In foals it has been shown that |
| 0.25 | — | Papich Saunders Handbook of Veterinary Drugs, 4th edp.366 | doses as low as 0.25 mg/kg inhibit prostaglandin synthesis during sepsis. Horses |
| 0.25 | IV | Papich Saunders Handbook of Veterinary Drugs, 4th edp.366 | with colic are also often treated with low doses of 0.25 mg/kg IV q8h. |
| 1.1 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.366 | • Granules: 1.1 mg/kg/day PO (one packet per 500 pounds). |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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Potent non-selective COX inhibitor. Particularly effective as visceral analgesic.
High GI ulceration risk especially with repeated dosing. Renal papillary necrosis reported. IM injection causes tissue necrosis in horses. Strictly limit duration of use.
Species-specific contraindications and adverse-reaction reports for horses may differ from canine / feline reference data — consult the primary citations listed with each rule.
Flunixin Meglumine dose ranges in horses, with cited source references: IV 1.1 mg/kg q12-24h; PO 1.1 mg/kg q12-24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Flunixin Meglumine in horses: IV, PO.
Cited course lengths for Flunixin Meglumine in horses include: 5 days max; Up to 5 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Flunixin Meglumine is indicated in horses for: Musculoskeletal pain, colic, endotoxemia, Musculoskeletal pain, chronic pain.
These are general warnings for Flunixin Meglumine across species; consult the horse dosing table above for species-specific guidance. High GI ulceration risk especially with repeated dosing. Renal papillary necrosis reported. IM injection causes tissue necrosis in horses. Strictly limit duration of use.
Why a species-specific page? Flunixin Meglumine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in horses — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.