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POM-VPS Prescription Required

Clik 50 mg/ml Pour-on Suspension for Sheep

Active ingredient: Dicyclanil

Form

Spot-on

Species

Sheep

Manufacturer

Elanco GmbH

VMD MA No.

52127/5093

What it's used for

Prevention of blowfly strike due to Lucilia sericata on sheep. Prevention of blowfly strike due to Wohlfahrtia magnifica on sheep.

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 Dicyclanil

  1. 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. 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.

Prescription required

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

Clinical information

Clik 50 mg/ml Pour-on Suspension for Sheep — SPC Details

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

Prevention of blowfly strike due to Lucilia sericata on sheep.
Prevention of blowfly strike due to Wohlfahrtia magnifica on sheep.
Do not use in sheep producing milk for human consumption.
Do not use in case of hypersensitivity to the active substance or any of the excipients.
Target species: Sheep.
None known.
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

Revised: May 2025
AN: 00218/2025
the marketing authorisation holder or the national competent authority via the national
reporting system. See also the last section of the package leaflet for contact details.
Unnecessary use of antiparasitics or use deviating from the instructions given in the SPC
may increase the resistance selection pressure and lead to reduced efficacy. The decision
to use the product should be based on confirmation of the parasitic species and burden, or
of the risk of infestation based on its epidemiological features, for each flock.

Revised: May 2025
AN: 00218/2025

i). Special precautions for use in animals
The veterinary medicinal product is best applied before an anticipated blowfly
challenge, or when a blowfly challenge is identified on or in the vicinity of the farm.
Established strikes may require a separate treatment with a knockdown insecticide.
It is recommended that animals with dirty back-ends are dagged prior to application. If
dagging or crutching is undertaken in the weeks following application, these animals
should be re-treated, otherwise protection could be lost.
Do not apply during heavy rainfall, or when such conditions are expected. The
resulting wash out may reduce the protection period.
ii). Special precautions to be taken by the person administering the veterinary
medicinal product to animals
•
applying the veterinary medicinal product.
•
affected parts of the body with soap and water.
•
physician for advice.
•
package leaflet or the label to the physician.
•
drinking or smoking.
•
•
Handling sheep in the weeks following treatment:
•
•
for some weeks.
•
sheep are wet also wear waterproof trousers and coat.
Special precautions for the protection of the environment:
The use of the veterinary medical product has harmful effects on dung flies.
Treated sheep must be kept away from watercourses for at least one hour after
treatment. There is serious risk to aquatic life if this advice is not followed.
iii). Other precautions
None.
None known.
Protect from direct sunlight.
Protect from frost.
Store in the original container.
Keep the container tightly closed.
Meat and offal: 40 days
Not authorised for use in animals producing milk for human consumption.
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.

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