MSD Amoxypen LA 150mg/ml Injection100ml

Amoxypen LA 150mg/ml Injection100ml

£19.43 ex VAT£23.32 inc VAT

Type: POM-V

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

Product Description

Out of stock with no due date. Please speak to your vets about alternatives.

A long acting broad spectrum amoxicillin based antibiotic for use in cattle, pigs, sheep, dogs and cats where a single injection giving prolonged antibiotic cover is required.

It may also protect from secondary bacterial invasion in cases where bacteria are not the initial cause of the disease. Indications include infections of: Alimentary tract, Respiratory tract, Skin and soft tissue, Urogenital tract and in prevention of post-operative infection (treat before surgery).

In vitro amoxicillin is effective against a wide range of Gram-positive and Gram-negative bacteria which include: Escherichia coli, Klebsiella pneumonia, Proteus spp., Salmonella spp. staphylococci and streptococci.


Dosage & Administration

In general 15 mg/kg (equivalent to 1 ml per 10 kg bodyweight), repeated if necessary after 48 hours. A separate injection site should be used for each administration. Suggested doses are:

























Cattle500 kg 50 mlSheep 50 kg  5 mlPigs 50 kg  5 mlDogs 10 kg  1 mlCats 5 kg  0.5 ml


























Administration Cattle, Sheep and Pigs - by intramuscular injection only. Dogs and Cats - by intramuscular or subcutaneous injection. Normal aseptic precautions should be observed. After administration massage the injection site. Dose volumes in excess of 20 ml should be injected at more than one site. An appropriately graduated syringe must be used to ensure accurate administration of the required dose volume. This is particularly important when injecting small volumes.



Animals must not be slaughtered for human consumption during treatment.

Cattle may be slaughtered for human consumption only after 23 days from the last treatment.

Sheep and pigs may be slaughtered for human consumption only after 16 days from the last treatment.

Milk for human consumption must not be taken from a cow during treatment. Milk for human consumption may be taken only after 79 hours after the last treatment.

Not for use in sheep producing milk for human consumption.

Data Sheet

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

Amoxypen LA


Delivery & Returns




Non-refrigerated items

By 6pm


Refrigerated items

By 12am

£0 - £149.99



£150 - £299.99



£300 - £449.99



£450 or more




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 10am.

3. We do not offer a Saturday or Sunday delivery service.

4. Standard and Priority costs apply to the UK mainland only.
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.

5. Customers who arrange to collect from Warnham should not arrive before 12pm.

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
  • Sheep
  • Pigs
Call to order

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Home Delivery

UK mainland delivery from £8.00

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