POM-V Prescription Required

Porcilis Porcoli Diluvac Forte

Active ingredient: Escherichia coli

Form

Injection

Species

Pigs

Manufacturer

MSD Animal Health UK Limited

VMD MA No.

01708/5058

What it's used for

adhesins F4ab (K88ab), F4ac (K88ac), F5 (K99) or F6 (987P).

Full indications, dosage and side effects ↓

View official SPC (PDF)

The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.

Paying less for Escherichia coli

1

Ask your vet for a written prescription

They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.
2

Fill it at a registered online retailer

The CMA found online pharmacies 50–60% cheaper than practice dispensing on common medicines — typically £200–£300 a year.

Your prescription rights → VMD register of retailers →

Prescription required

Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.

Clinical information

Porcilis Porcoli Diluvac Forte — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.

adhesins F4ab (K88ab), F4ac (K88ac), F5 (K99) or F6 (987P).

Administer one dose (2 ml) per animal by intramuscular injection in the neck in the
area behind the ear of sows/gilts.
Vaccination scheme:
Basic vaccination: Sows/gilts which have not yet been vaccinated with the product
shall be given an injection preferably 6 to 8 weeks before the expected date of
farrowing followed by a second injection 4 weeks later.
Revaccination: A single revaccination shall be carried out during the second half of
each subsequent pregnancy, preferably 2 to 4 weeks before the expected date of
farrowing.

None.

Pigs (sows and gilts):
Very common
(>1 animal / 10 animals treated):
Elevated temperature
, Listless
,
Reduced food intake
Injection site reaction
1
Up to 3 °C, for up to 1 day after vaccination.
For up to 3 days after vaccination.
Recedes within 14 days, may occasionally exceed a diameter of 5 cm.
Reporting adverse events is important. It allows continuous safety monitoring of a
veterinary medicinal product. Reports should be sent, preferably via a veterinarian,
to either the marketing authorisation holder or the national competent authority via
the national reporting system. See the package leaflet for respective contact details.

Vaccinate healthy animals only.

Special precautions for safe use in the target species:
Not applicable.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
In case of accidental self-injection, seek medical advice immediately and show the
package leaflet or the label to the physician.
Special precautions for the protection of the environment:
Not applicable.

No information is available on the safety and efficacy of this vaccine when used with
any other veterinary medicinal product. It is therefore recommended that no other
vaccine should be administered within 14 days before or after vaccination with this
product. A decision to use this vaccine before or after any other veterinary medicinal
product therefore needs to be made on a case-by-case basis.

Store in a refrigerator (2 °C - 8 °C).
Do not freeze.
Protect from light.

Zero days.

This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.