Cats & DogsPrescription Medicines

Foston 20% Solution for Injection 50ml

£27.71(exc VAT)£33.25(inc VAT)

Foston is a clear 20% w/v solution for injection of the sodium salt of Toldimphos. Its content of organically combined phosphorus is 14%. It contains 0.6 w/v Phenylethyl alcohol as the antimicrobial preservative and 0.2% w/v anhydrous sodium sulphite as an antioxidant. Foston is an organically combined phosphorus preparation for the support of metabolic activity in cattle and dogs. Indications include skeletal defects, tetany and paresis and/or general metabolic disorders.

Legal Category: POM-V


Cattle: 10–25 ml

Dogs: depending on size and weight: 1–3 ml

Dosage to be repeated to clinical effect.

Administer by intravenous, intramuscular or subcutaneous injection.

In severe cases where rapid absorption is required the dosage may be given as half by intravenous injection and half by intramuscular or subcutaneous injection. Multiple injection sites may be used. For chronic conditions 5–10 subcutaneous or intramuscular injections should be given at 48 hour intervals with the following dose rates:

Cattle: 2.5-5ml

Dogs: 1-2ml

Withdrawal Period

Meat: Zero days

Milk: Zero hours

Package Quantities: 50ml

NOAH Datasheet

For the most up to date information about this product please look up the Summary of Product Characteristics (SPC) on the VMD webpage Product Information Database.

  • Price: £27.71(exc VAT)
    1. This medicine is classified POM-V. York Vet Supplies has suitably qualified personnel who can dispense this item. In order to process your order, we will require you to post the original prescription from your Vet to us. Please tick to confirm that you understand prescription only item(s) will only be dispatched receipt of a valid copy of your prescription.
Foston 20% Solution for Injection 50ml
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