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POM-V Prescription Required Companion Animal

Vey Tosal 100 mg/ml + 0.05 mg/ml Solution for Injection for Horses, Cattle and Dogs

Active ingredients: Butafosfan, Cyanocobalamin

Form

Injection

Species

Cattle Dogs Horses

Manufacturer

Veyx-Pharma GmbH

VMD MA No.

27569/3000

What it's used for

Cattle: - Supportive treatment to restore rumination following surgical treatment of displaced abomasum associated with secondary ketosis. - Complementary...

Full indications, dosage and side effects ↓
View official SPC (PDF)

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Paying less for Butafosfan + Cyanocobalamin

  1. 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. 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.

Prescription required

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

Clinical information

Vey Tosal 100 mg/ml + 0.05 mg/ml Solution for Injection for Horses, Cattle and Dogs — SPC Details

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

Cattle:
- Supportive treatment to restore rumination following surgical treatment of
displaced abomasum associated with secondary ketosis.
- Complementary treatment of parturient paresis in addition to Ca/Mg therapy.
- Prevention of ketosis development, if administered before calving.
Horses:
- Adjunctive therapy in horses suffering from muscular exhaustion.
Dogs:
Intravenous, intramuscular and subcutaneous use.
It is recommended that the solution is warmed to body temperature before
administration.
The dose depends on the animal’s body weight (bw) and condition.
SpeciesDose butafosfan
(mg/kg bw)
Dose
cyanocobalamin
(mg/kg bw)
Dose volume of
the veterinary
medicinal
product
Route of
administration
Cattle
Horses
5 – 100.0025 – 0.0055 – 10 ml/100 kgi.v.
Dogs10 – 150.005 – 0.00750.1 – 0.15 ml/kgi.v., i.m., s.c.
For the supportive treatment of secondary ketosis in cows, the recommended
dose should be administered on three consecutive days.
For the prevention of ketosis in cows, the recommended dose should be
administered on three consecutive days within the period of 10 days before
expected calving.
For other indications, treatment should be repeated as necessary.
The stopper may be safely punctured up to 40 times. If more than 40 broachings
are required, use of a draw off needle is recommended.
It is recommended to use 100 ml packaging for treatment of dogs.
Do not use in cases of hypersensitivity to the active substances or to any of the
excipients.
Cattle, horses, dogs:
Rare
(1 to 10 animals / 10,000
animals treated):
Injection site pain
Very rare
(<1 animal / 10,000 animals
treated, including isolated
reports):
Circulatory shock
1
Has been reported following subcutaneous administration in dogs.
In cases where rapid intravenous infusion has occurred.
Reporting adverse events is important. It allows continuous safety monitoring of
a veterinary medicinal product. Reports should be sent, preferably via a
veterinarian, to either the marketing authorisation holder or the national
competent authority via the national reporting system. See the package leaflet
for respective contact details.
None.

Special precautions for safe use in the target species:
Intravenous administration should be done very slowly since cases of circulatory
shock may be associated with too rapid injection.
In dogs suffering from chronic renal insufficiency the veterinary medicinal
product should only be used according to the benefit-risk assessment by the
responsible veterinarian.
Special precautions to be taken by the person administering the veterinary
medicinal product to animals:
This veterinary medicinal product contains benzyl alcohol which may cause
hypersensitivity (allergic) reactions. People with known hypersensitivity to benzyl
alcohol and other ingredients, should avoid contact with the veterinary medicinal
product.
This veterinary medicinal product may cause skin and eye irritation. Avoid
contact with skin and eyes. In case of accidental exposure, rinse the affected
area thoroughly with water.
Self-injection should be avoided. In case of accidental self-injection, seek
medical advice immediately and show the package leaflet or the label to the
physician.
Wash hands after use.
Special precautions for the protection of the environment:
Not applicable.
interaction
None known.
Keep the vial in the outer carton in order to protect from light.
Cattle and horses:
Meat and offal: Zero days.
Milk: Zero hours.

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.

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