Norbrook Norfenicol 300 mg/ml Injection

Norfenicol 300 mg/ml Injection

from £47.44 ex VATfrom £56.93 inc VAT

Type: POM-V

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

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Product Description

  • Treatment of respiratory tract infections in clinically diseased cattle due to Mannheimia haemolytica, Pasteurella multocida and Histophilus somni, susceptible to Florfenicol.
  • Treatment of acute outbreaks of respiratory disease in pigs caused by strains of Actinobacillus pleuropneumoniae and Pasteurella multocida, susceptible to Florfenicol


Dosage & Administration


  • Intramuscular Injection: 20 mg/kg bodyweight (1 ml/15 kg) to be administered twice 48 hours apart using a 16-gauge needle.
  • Subcutaneous Injection: 40 mg/kg bodyweight (2 ml/15 kg) to be administered once only using a 16-gauge needle.
  • The dose volume given at any one injection site should not exceed 10 ml.
  • The injection should only be given in the neck.


  • Intramuscular Injection: 15 mg/kg bodyweight (1 ml per 20 kg) into the neck muscle twice at 48 hour intervals using a 16-gauge needle.
  • The volume administered per injection site should not exceed 3 ml.


Meat and offal:
By intramuscular injection (at 20 mg/kg, twice): 39 days
By subcutaneous injection (at 40 mg/kg, once): 44 days

Not permitted for use in lactating animals producing milk for human consumption.

Meat and offal:
By intramuscular injection (at 15 mg/kg, twice): 22 days

Data Sheet

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

Norfenicol 300 mg/ml Injection


Delivery & Returns

Please check information about deliveries covering the Christmas and New Year period to ensure you have the medicines you need to cover you. 




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.
  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 - Beef
  • Cattle - Dairy
  • Pigs
Home Delivery

UK mainland delivery from £8.00

Reward Points

Earn up to 105 reward points with this product.

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