POM-V Prescription Required

Regumate Porcine 4 mg/ml Oral Solution

Active ingredient: Altrenogest

Form

Liquid

Species

Pigs

Manufacturer

Intervet International B.V.

VMD MA No.

06376/4097

What it's used for

For the synchronisation of oestrus and improvement of litter size in sexually mature gilts. For the synchronisation of oestrus and improvement of farrowing...

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 Altrenogest

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

Regumate Porcine 4 mg/ml Oral Solution — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.

For the synchronisation of oestrus and improvement of litter size in sexually mature
gilts.
For the synchronisation of oestrus and improvement of farrowing rate and litter size
in sows.

Gilts: One dose of 5ml per gilt per day for 18 consecutive days given orally with feed
for immediate consumption.
Sows: One dose of 5ml per sow per day for 3 consecutive days given orally with feed
for immediate consumption.
Group feeding on the floor:
Feed should be presented in such a manner that each pig is allowed sufficient floor
space to get equal access to the feed.
Once the animals have started feeding, dispense one dose of Regumate as a top-
dressing on the feed in front of each pig.
Administration of product supplied in 540 ml and 1L container (not pressurised):
-
-
-
-

Do not administer to male animals.
Do not administer to pregnant sows or those suffering from uterine infection.
Part-consumed feed must be disposed of with other waste feed and not given to
other animals.

Revised: November 2024
AN: 00646/2024

Ensure the correct dose is administered daily as under-dosing can lead to the
formation of cystic follicles.

(i) Special precautions for use in animals
Not applicable.
(ii) Special precautions to be taken by the person administering the medicinal
product to the animals
•
product. Women of childbearing age should handle the product with extreme
care. The product should not be handled by persons with known or suspected
progesterone-dependent tumours or thrombo-embolic disorders.
•
(gloves and overalls) must be worn when handling the product. Porous gloves
may let this product pass through. Transcutaneous absorption may be even
higher when the area is covered by an occlusive material, such as latex or
rubber gloves. Accidental spillage on the skin should be washed off immediately
with soap and water. Wash hands after treatment and before meals.
•
attention.
•
disruption of the menstrual cycle, uterine or abdominal cramping, increased or
decreased uterine bleeding, prolongation of pregnancy or headache.
(iii) Other precautions regarding impact on the environment
When spreading manure from treated animals, the minimum distance to surface
water as defined in the national or local regulations has to be strictly respected,
because the manure may contain altrenogest which could cause adverse effects
in the aquatic environment.

No interactions known.

Revised: November 2024
AN: 00646/2024

540 ml and 1L bottle: do not require any special storage conditions.

Animals must not be slaughtered for human consumption during treatment.
Pigs may be slaughtered for human consumption only after 9 days from the last
treatment.
5.

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.