Cat · Felis catus · typical adult weight 2.50–7.00 kg
Vitamin B Complex is dosed at 1 ml/cat IM q24h or as required in cats, per Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) NO SUPPORTING MONOGRAPH IN THIS BOOK — Plumb's Veterinary Drug Handbook, 10th ed (held) carries no Vitamin B Complex monograph; the held copy has single-vitamin monographs only (Cobalamin printed p.304-306, Thiamine printed p.1223-1224). [LOCATOR CORRECTED 2026-08-12 — the clause previously here named the Vitamin A monograph, printed p.1310]; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Vitamin B Complex is used in cats for Nutritional support, appetite stimulant, Appetite stimulant, nutritional support, CKD. Routes documented in cats: IM, SC. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 2 cited dose rules for Vitamin B Complex in cats, drawn from published veterinary references. Verify against current literature before clinical use.
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 1 ml/cat | q24h or as required | As needed | Nutritional support, appetite stimulant | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) NO SUPPORTING MONOGRAPH IN THIS BOOK — Plumb's Veterinary Drug Handbook, 10th ed (held) carries no Vitamin B Complex monograph; the held copy has single-vitamin monographs only (Cobalamin printed p.304-306, Thiamine printed p.1223-1224). [LOCATOR CORRECTED 2026-08-12 — the clause previously here named the Vitamin A monograph, printed p.1310]; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
| SC | 1 ml/cat (per animal, NOT per kg) | SC/IM/IV q24h or as required | As needed | Appetite stimulant, nutritional support, CKD | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) NO SUPPORTING MONOGRAPH IN THIS BOOK — Plumb's Veterinary Drug Handbook, 10th ed (held) carries no Vitamin B Complex monograph; the held copy has single-vitamin monographs only (Cobalamin printed p.304-306, Thiamine printed p.1223-1224). [LOCATOR CORRECTED 2026-08-12 — the clause previously here named the Vitamin A monograph, printed p.1310]; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
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Cofactors in numerous metabolic pathways. Thiamine (B1) essential for neurological function, B12 for erythropoiesis and methylation. Supports appetite and energy metabolism.
Generally very safe. IV injection may cause transient hypotension or anaphylactoid reaction (rare). Thiamine (B1) deficiency in reptiles and fish fed frozen/thawed prey containing thiaminase.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Vitamin B Complex dose ranges in cats, with cited source references: IM 1 ml/cat q24h or as required; SC 1 ml/cat (per animal, NOT per kg) SC/IM/IV q24h or as required. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Vitamin B Complex in cats: IM, SC.
Cited course lengths for Vitamin B Complex in cats include: As needed. Duration depends on the indication — match it to the specific dose rule in the table above.
Vitamin B Complex is indicated in cats for: Nutritional support, appetite stimulant, Appetite stimulant, nutritional support, CKD.
These are general warnings for Vitamin B Complex across species; consult the cat dosing table above for species-specific guidance. Generally very safe. IV injection may cause transient hypotension or anaphylactoid reaction (rare). Thiamine (B1) deficiency in reptiles and fish fed frozen/thawed prey containing thiaminase.
Why a species-specific page? Vitamin B Complex 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.