Cat · Felis catus · typical adult weight 2.50–7.00 kg
Calcium (oral/injectable) is dosed at 25–50 mg/kg PO q8-12h in cats, per Plumb's Veterinary Drug Handbook, 9th Ed. Calcium (oral/injectable) is used in cats for Calcium supplementation, CKD management, CKD phosphorus binder. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 2 cited dose rules for Calcium (oral/injectable) in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Cal-Phos, Calciquid
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 25–50 mg/kg | q8-12h | As directed | Calcium supplementation, CKD management | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
| PO | 30–60 mg/kg | with meals | Chronic | CKD phosphorus binder | Moderate | Treatment Recommendations for CKD in Cats. International Renal Interest Society Website. http://www.iris-kidney.com/pdf/IRIS_CAT_Treatment_Recommendations_2019.pdf. Published 2019. Accessed March 5, 2021. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.200 (2026-08-01). |
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Elemental calcium supplementation for hypocalcemia, egg-binding, metabolic bone disease, and eclampsia. Essential for bone, muscle, and nerve function.
IV calcium must be administered slowly with cardiac monitoring. Oral calcium may reduce absorption of other oral drugs. Excess supplementation may cause soft tissue mineralization.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Calcium (oral/injectable) dose ranges in cats, with cited source references: PO 25–50 mg/kg q8-12h; PO 30–60 mg/kg with meals. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Calcium (oral/injectable) in cats: PO.
Cited course lengths for Calcium (oral/injectable) in cats include: As directed; Chronic. Duration depends on the indication — match it to the specific dose rule in the table above.
Calcium (oral/injectable) is indicated in cats for: Calcium supplementation, CKD management, CKD phosphorus binder.
These are general warnings for Calcium (oral/injectable) across species; consult the cat dosing table above for species-specific guidance. IV calcium must be administered slowly with cardiac monitoring. Oral calcium may reduce absorption of other oral drugs. Excess supplementation may cause soft tissue mineralization.
Why a species-specific page? Calcium (oral/injectable) pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — 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.