Norbrook Ultrapen LA 30% Injection 100ml

Ultrapen LA 30% Injection 100ml

£18.47 ex VAT£22.16 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

Out of Stock 

Ultrapen LA is indicated for use in cattle and pigs in the treatment of infections caused by, or associated with, organisms sensitive to penicillin including: Arcanobacterium pyogenes, Erysipelothrix rhusiopathiae, Mannheimia haemolytica, Pasteurella multocida and Streptococcus spp.

Ultrapen LA may be used in the treatment and control of a wide range of common systemic, respiratory, urinary and local infections caused by penicillin-susceptible organisms including: Erysipelas; navel/joint-ill; respiratory tract infections including pneumonia and atrophic rhinitis; meningitis; septicaemia; urogenital tract infections and the control of secondary bacterial invaders in diseases primarily of viral origin.

Ultrapen LA is specifically formulated to provide sustained antibacterial activity following a single administration.



Dosage & Administration


  • May be administered by either the subcutaneous or intramuscular route of administration to non-lactating cattle and by the intramuscular route only to lactating cattle.


  • Ultrapen LA may be administered by the intramuscular route of administration only.

The recommended dose rate is 20mg procaine penicillin per kg bodyweight, equivalent to 1ml per 15kg bodyweight. If signs persist at 72 hours repeat the dose.



  • Animals must not be slaughtered for human consumption during treatment.
  • Subcutaneous Administration: Cattle may be slaughtered for human consumption only after 13 days from the last treatment.
  • Intramuscular Administration: Cattle may be slaughtered for human consumption only after 23 days from the last treatment.
  • Pigs may be slaughtered for human consumption only after 10 days from the last treatment.


  • Milk for human consumption must not be taken during treatment.
  • Milk for human consumption may only be taken from treated cows after 132 hours from the last administration.

Data Sheet

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

Ultrapen LA


Delivery & Returns




Non-refrigerated items

By 6pm


Refrigerated items

By 12am

£100 +



Delivery to United Kingdom only

Please note there is a small excess of £7.50 for dispatch to Highlands and Islands and Isle of Wight and £12 to Guernsey and Jersey as governed by your postcode.

  1. We are unable to ship to Northern Ireland. Any orders placed online will be cancelled and refunded.
  2. Orders are typically dispatched the day after they are received. For example, orders placed on Monday, will be dispatched on Tuesday. Orders received on Friday will not be dispatched until Monday subject to stock availability.
  3. Orders placed on a Thursday or Friday that have refrigerated items included will be dispatched on Sunday for delivery before 12pm on the following Monday to ensure that the items are delivered to you under controlled conditions. 
  4. We do not offer a Saturday or Sunday delivery service.
  5. Standard and Priority costs apply to the UK mainland only. Highlands and Islands and Isle of Wight may incur an excess to cover additional carriage costs as governed by your postcode. Full details can be found by clicking the link below.
  6. Standard Delivery (non-refrigerated products) guarantees delivery by 6pm
  7. Priority Delivery (refrigerated products) guarantees delivery by 12pm.
  8. We are unable to dispatch refridgerated products to Highlands and Islands addresses. Full details can be found by clicking the link below. 

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
Home Delivery

UK mainland delivery from £12.00

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