POM-VPS Prescription Required

Ovimel 18 mg Implantation Tablets for Sheep

Active ingredient: Melatonin

Form

Tablet

Species

Sheep

Manufacturer

Vetpharma Animal Health, S.L

VMD MA No.

32509/5007

What it's used for

AN: 00401/2024 & 00402/2024

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 Melatonin

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

Ovimel 18 mg Implantation Tablets for Sheep — SPC Details

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

AN: 00401/2024 & 00402/2024

Administer at the base of the ear using the special gun provided. Introduce the needle
in the subcutaneous area at the base of the ear. Press the trigger of the gun to release
an implant. When the trigger is released, the gun automatically reloads.
Do not administer if sheep are wet or dirty.
The timing of implant application must be adapted to the photoperiod of the region and
the seasonality of the animals, depending upon the breeds and production systems.
SHEEP (sexually mature ewe): Treatment regime without synchronization and with
natural mating.
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special gun).
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days should be expected before mating activity commences. Vasectomised rams
may be used for the first 14 days for a more compact lambing period.
Vasectomised males may be used for the first 14 days to allows lambing
concentration. Maximum sexual activity occurs between 25 and 35 days after the
introduction of the males.
AN: 00401/2024 & 00402/2024

Do not use in cases of hypersensitivity to the active substance or to any of the
excipients.

None known.
Reporting adverse events is important. It allows continuous safety monitoring of a
veterinary medicinal product.
AN: 00401/2024 & 00402/2024
Reports should be sent, preferably via a veterinarian, to either the marketing
authorisation holder or its local representative or the national competent authority via
the national reporting system. See the package leaflet for respective contact details.

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(having lambed at least once).
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product to advance the breeding season, is not superior to that obtained in the
natural reproductive season.
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seasonality on the reproductive cycle. In the presence of other reproductive
problems associated with pathological processes (abortions, mastitis), poor
sanitary conditions, nutritional imbalances or any other cause, it is not advisable
to use this veterinary medicinal product and veterinary advice should be sought.

Special precautions for safe use in the target species:
The veterinary medicinal product is sterile. Carefully tear along the perforations to
open each part of the blister when needed.
Avoid damaging implants. Use only sharp, undamaged needles.
Respect the usual conditions of hygiene during implantation.
Unless single-use needles are used for the administration of the implant, there is a risk
of transmission of infectious diseases between treated animals.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
Administer the veterinary medicinal product with caution to avoid accidental self-
injection. In case of accidental self-injection, seek medical advice immediately, and
show the package leaflet or the label to the physician.
Personal protective equipment consisting of gloves should be worn when handling the
veterinary medicinal product.

Special precautions for the protection of the environment:
Not applicable.

None known.

This veterinary medicinal product does not require any special storage conditions.

Meat and offal: Zero days
Milk: Zero hours
It is essential that the veterinary medicinal product is only administered
subcutaneously at the base of ear.

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.