Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Magnesium Sulfate is dosed at 0.15–0.3 mEq/kg IV IV CRI over 15-60 min in dogs, per Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.819 (2026-08-01).. Magnesium Sulfate is used in dogs for Torsades de pointes, hypomagnesemia. Routes documented in dogs: IV. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Magnesium Sulfate in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: MgSO4, Epsom Salt
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 0.15–0.3 mEq/kg | IV CRI over 15-60 min | Until arrhythmia controlled | Torsades de pointes, hypomagnesemia | Moderate | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.819 (2026-08-01). |
One of the cited rules is a continuous-rate-infusion regimen: IV 0.15–0.3 mEq/kg IV CRI over 15-60 min. CRI regimens are delivered as a continuous infusion rather than discrete doses — verify the rate against the cited source before use.
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Essential electrolyte. Blocks neuromuscular transmission, stabilizes cardiac membranes, and causes smooth muscle relaxation. Cofactor for 300+ enzymes.
Treatment for hypomagnesemia, torsades de pointes, and eclampsia. Slow IV infusion. Respiratory depression at high levels. Monitor ECG and reflexes. Antidote: calcium gluconate.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Magnesium Sulfate dose range in dogs, with cited source references: IV 0.15–0.3 mEq/kg IV CRI over 15-60 min. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Magnesium Sulfate in dogs: IV.
Cited course lengths for Magnesium Sulfate in dogs include: Until arrhythmia controlled. Duration depends on the indication — match it to the specific dose rule in the table above.
Magnesium Sulfate is indicated in dogs for: Torsades de pointes, hypomagnesemia.
These are general warnings for Magnesium Sulfate across species; consult the dog dosing table above for species-specific guidance. Treatment for hypomagnesemia, torsades de pointes, and eclampsia. Slow IV infusion. Respiratory depression at high levels. Monitor ECG and reflexes. Antidote: calcium gluconate.
Why a species-specific page? Magnesium Sulfate pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — 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.