POM-V Prescription Required

Vitamin B1 10% w/v Solution for Injection

Active ingredient: Thiamine Hydrochloride

Form

Injection

Species

Cattle Sheep

Manufacturer

Bimeda Animal Health Limited

VMD MA No.

50146/4029

What it's used for

For the treatment of cerebrocortical necrosis in cattle and sheep and as an adjunct in metabolic disorders of cattle.

Full indications, dosage and side effects ↓

View official SPC (PDF)

The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.

Paying less for Thiamine Hydrochloride

1

Ask your vet for a written prescription

They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.
2

Fill it at a registered online retailer

The CMA found online pharmacies 50–60% cheaper than practice dispensing on common medicines — typically £200–£300 a year.

Your prescription rights → VMD register of retailers →

Prescription required

Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.

Clinical information

Vitamin B1 10% w/v Solution for Injection — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.

For the treatment of cerebrocortical necrosis in cattle and sheep and as an
adjunct in metabolic disorders of cattle.

By intramuscular or slow intravenous injections
Dosage: 2.5 - 5ml per 50 kg bodyweight. Repeat every 3 hours for up to a
total of 5 doses.

Do not use in cases of known hypersensitivity to the active ingredient.

Adverse effects are not anticipated following administration of thiamine.

Not applicable.

i. Special precautions for use in animals
Intravenous injections should be given slowly.
Observe aseptic techniques

Revised: August 2023
AN: 04062/2022
ii. Special precautions to be taken by the person administering the
veterinary product to animals.
Care should be taken to avoid accidental self-injection. In the event of
accidental self-injection, consult medical advice immediately and show
the doctor this label. Wash hands after use.

interactions
None Known.

Do not store above 25
C.
Protect from light.
Once broached, use vial within 28 days. Discard unused material.

Meat-Zero days
Milk-Zero hours
5.

This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.