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POM-VPS Prescription Required

Dysect Cattle Pour-On Solution 15 g/litre

Active ingredient: Alpha-Cypermethrin

Form

Spot-on

Species

Cattle

Manufacturer

Zoetis Belgium S.A.

VMD MA No.

60021/3006

What it's used for

sheep and lambs for up to 6 weeks.

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 Alpha-Cypermethrin

  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

Dysect Cattle Pour-On Solution 15 g/litre — SPC Details

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

sheep and lambs for up to 6 weeks.
Application Administration:
Apply a single 10ml dose, with the dispenser pack or with an applicator gun,
from the crown of the head down the neck and along the middle of the back of
the animal.
Fly Control:
To control biting and nuisance flies, treatment should be repeated as
necessary. Frequency of application will depend on the numbers and species
of flies present; normally nuisance flies on the head and face can be
controlled for up to 4/5 weeks and for the biting horn fly for up to 8 weeks.
Lice Control:
To control sucking and biting lice. One application treatment will normally
eradicate all the lice. If a few lice survive on individual animals, it may be
necessary on very rare occasions to re-treat an animal.
None.
Cattle:
Very rare
(<1 animal / 10,000 animals treated,
including isolated reports):
Discomfort
1
Signs will not last longer than 48 hours and have no lasting effect on the
animal.
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.
None.

Special precautions for safe use in the target species:
For external use only.
Special precautions to be taken by the person administering the veterinary
medicinal product to animals:
Personal protective equipment consisting of waterproof apron, boots, and
impervious gloves should be worn when handling the veterinary medicinal
product and recently treated animals.
Wash splashes from skin and eyes immediately.
Remove heavily contaminated clothing and wash before re-use.
Wash hands and exposed skin before eating, drinking or smoking and after
work.
Special precautions for the protection of the environment:
Not applicable.
interaction
None known.
Do not store above 25 ° C.
Store in the original container.
Keep the container tightly closed.
Store away from food, drink, and animal feedstuffs.
Meat and offal: 28 days
Milk: Zero hours.
4.

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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