ExoticRx · exoticrx.com/drugs/thiamine
US brand names:Vitamin B1
Thiamine is dosed at 25–30 mg/kg PO q24h in bearded dragons, per Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile [formulary chapter] / 59. Calvert I. Nutritional problems. In: Girling SJ, Raiti P, [eds] — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.268 (2026-08-01).. Verify against current literature before clinical use.
Essential cofactor for pyruvate dehydrogenase, alpha-ketoglutarate dehydrogenase, and transketolase in energy metabolism. Critical for neurological function.
Deficiency causes polioencephalomalacia in ruminants and neurological signs in cats (fish-based diets, cooked meat diets). IV thiamine can cause anaphylaxis — give IM or slow IV. Very safe orally.
Species references:All African Grey Parrot drugsAll Bearded Dragon drugsAll Cat (Domestic) drugsAll Cattle (Beef/Dairy) drugsAll Goat (Caprine) drugsAll Sheep (Ovine) drugs
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A dog/cat sample is shown here. Cited dosing for all 6 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) | IM | 25–50 mg per cat | q24h | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.