MSD Dexadreson 2mg/ml Injection 50ml

Dexadreson 2mg/ml Injection 50ml

£23.32 ex VAT£27.98 inc VAT

Type: POM-V

PLEASE NOTE: A prescription issued by a UK registered vet (MRCVS) is required before this item can be dispatched.

in stock In stock



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Product Description

Dexadreson may be used whenever a parenteral corticosteroid preparation giving a medium duration of activity is indicated.

It can be used as an anti-inflammatory and anti-allergic agent in horses, cattle, pigs, dogs and cats and for the treatment of primary ketosis in cattle.

The product can also be used to induce parturition in cattle and as supportive therapy in cases of shock in horses.



Dosage & Administration

For the treatment of inflammatory or allergic conditions, the following average doses are advised. However the actual dose used should be determined by the severity of the signs and the length of time for which they have been present.

Horses, cattle, pigs 1.5 ml/50 kg

Dog, cat 0.5 ml/10 kg

Doses may be repeated once at 24-48 hour intervals if required.

For the treatment of primary ketosis in cattle (acetonaemia)

  • A dose of 5-10 ml is advocated dependent on the size of the cow and the duration of the signs.
  • Care should be taken not to overdose Channel Island breeds.
  • Larger doses will be required if the signs have been present for some time or if relapsed animals are being treated.
  • In most early cases a single dose will effect a cure but the dose may be repeated at 48 hour intervals if necessary.

As supportive treatment in cases of shock in horses Intravenous doses of 4-6 mg/kg can be administered.

For the induction of parturition to avoid foetal oversize and mammary oedema in cattle.

  • A single intramuscular injection of 10 ml after day 260 of pregnancy.
  • Parturition will normally occur within 48-72 hours.
  • If calving does not occur within these periods the dose may be repeated.






  • Meat - 8 days;
  • Milk - 72 hours


  • Meat - 2 days


  • Meat and offal: 8 days
  • Not authorised for use in horses producing milk for human consumption.

Data Sheet

To know more about this product please click on the link below...



Delivery & Returns

With the Farmacy business moving from West Sussex to Cheshire over the Christmas and New Year break, we will be closed from midday on Friday 22nd December. Nothing will then be dispatched from that date until 2nd January 2024.

This makes it more important than ever to plan your ordering to ensure you are covered. For last delivery dates for Pre-Christmas delivery click here.





Non-refrigerated items

By 6pm


Refrigerated items

By 12am

£0 - £149.99



£150 - £299.99



£300 - £449.99



£450 or more



Delivery to United Kingdom only

Please note there is a small excess for despatch to Highlands and Islands and Isle of Wight as governed by your postcode.

  1. To keep our prices as low as possible, we do not hold stock of most products. We order stock from our wholesaler at 4.30 each day, so any orders received after this time will not be ordered until the following day. 
  2. Orders placed on a Thursday or Friday that have refrigerated items included will not be dispatched until the following Monday to ensure that the items are delivered to you under controlled conditions. This means that you should receive these items on a Tuesday by 12pm.
  3. We do not offer a Saturday or Sunday delivery service.
  4. Standard and Priority costs apply to the UK mainland only.
  5. Delivery to Scottish Highlands and Islands and Isle of Wight may incur an excess to cover additional carriage costs - this is dependent on your postcode. Full details can be found by clicking the link below.
  6. Customers who arrange to collect from Warnham should not arrive before 12pm.
  7. We are no longer able to ship to Northern Ireland due to extra administrative costs since January 2021. Any orders placed online will be cancelled and refunded.

For full delivery details click here 

Faulty Goods Returns

In the unlikely event that you receive faulty or damaged goods please call 01306 628215 within 72 hours of receipt of your goods. Please have your order reference to hand. You will be asked to provide evidence of the damaged goods if damaged in transit.

Restricted Goods Returns

We are unable to offer refunds on the following products.

  • Animal medicines - general & vaccines
  • Refrigerated/temperature sensitive products

Please contact the Farmacy Team before sending any returns on 01306 628215.

For full returns details click here

Product Species

  • Cattle - Dairy
    Cattle - Dairy
  • Cattle - Beef
    Cattle - Beef
  • Pigs
  • Horses
  • Cats
  • Dogs
Home Delivery

UK mainland delivery from £8.00

Reward Points

Earn up to 23 reward points with this product.

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