POM-V Prescription Required

Bimamix Oral Suspension for Calves

Active ingredients: Neomycin, Sulfadiazine

Form

Liquid

Species

Cattle

Manufacturer

Bimeda Animal Health Limited

VMD MA No.

50146/4022

What it's used for

For the treatment of diarrhoea in pre-ruminant calves associated with infections caused by organisms known to be, or suspected of being, susceptible to the...

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 Neomycin + Sulfadiazine

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

Bimamix Oral Suspension for Calves — SPC Details

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

For the treatment of diarrhoea in pre-ruminant calves associated with infections caused by
organisms known to be, or suspected of being, susceptible to the combination of
sulfadiazine and neomycin.

Shake the bottle well before use.
Administration is by oral drench.
4 ml per 10 kg bodyweight twice daily for a maximum period of 5 days. This equates to 60
mg/kg Sulfadiazine and 10 mg/kg Neomycin twice daily. To ensure correct dosage, body
weight should be determined as accurately as possible to avoid underdosing.

Revised: October 2018
AN: 00832/2018

Do not use in animals with known hypersensitivity to the active ingredient.
Do not exceed the recommended dosage or the period of treatment.
Do not use local anaesthetics of the procaine group during treatment as they are
antagonistic to the sulphonamide component.
Do not use in calves with a functional rumen.
Do not use in lactating cows.
Do not use in foals and horses.

Revised: October 2018
AN: 00832/2018

Chronic usage of oral neomycin may result in bacterial or fungal superinfections.

Concurrent intravenous fluid therapy should be considered in dehydrated calves.
Parenteral antibiotic treatment should be considered if a clinical response is not seen after
48 hours treatment.

Special precautions for use in animals
Official, national and regional antimicrobial policies should be taken into account when the
product is used.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
Care should be taken to avoid contact with the skin. Wash hands after use.
Sulphonamides may cause hypersensitivity (allergy) following injection, inhalation,
ingestion or skin contact. Hypersensitivity to sulphonamides may lead to cross reaction
with other antibiotics. Allergic reaction to these substances may occasionally be serious.
1. Do not handle this product if you know you are sensitive to sulphonamides.
2. If you develop symptoms following exposure such as a skin rash, you should seek
medical advice and show the doctor this warning.

There is interaction and antagonism between sulphonamides and the Vitamin B Complex.
Do not use local anaesthetics of the procaine group during treatment, as they are
antagonistic to the sulphonamide component.

Do not store above 25
o
C.

Meat & offal: 28 days. Not intended for use in animals producing milk for human
consumption.
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.