ExoticRx · exoticrx.com/drugs/thiamine
Thiamine
Vitamin B1
Drug Class
Routes
Indications
Mechanism of Action
Essential cofactor for pyruvate dehydrogenase, alpha-ketoglutarate dehydrogenase, and transketolase in energy metabolism. Critical for neurological function.
Side effects & warnings
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 with Thiamine dosing data (7 dose rules)
Species references:All African Grey Parrot drugsAll Bearded Dragon drugsAll Cat (Domestic) drugsAll Cattle (Beef/Dairy) drugsAll Goat (Caprine) drugsAll Guinea Pig drugsAll Sheep (Ovine) drugs
Evidence levels across 7 dose rules
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
Backed by 3 published sources
- · Carpenter's Exotic Animal Formulary, 6th Ed
- · Merck Veterinary Manual
- · Plumb's Veterinary Drug Handbook, 9th Ed
Sample dosing (1 of 7 cited rules)
A dog/cat sample is shown here. Cited dosing for all 7 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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Source citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.