Program 40 mg Suspension for Injection
Active ingredient: Lufenuron
Form
Injection
Species
Manufacturer
Elanco GmbH
VMD MA No.
52127/3070
What it's used for
The product is intended for the 6-month long-term prevention and control of flea infestations and the treatment of FAD (flea allergic dermatitis) in cats....
Full indications, dosage and side effects ↓The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.
Paying less for Lufenuron
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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.
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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.
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Prescription required
Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.
Program 40 mg Suspension for Injection — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
infestations and the treatment of FAD (flea allergic dermatitis) in cats. The product is
effective against the pre-adult stages of the dominant flea species,
felis and .
parenterally.
Weight of cats in kgless than 4Equal to or greater than 4
dose
1 PROGRAM 40 mg
Suspension for
Injection Syringe
1 PROGRAM 80 mg
Suspension for Injection
Syringe
Revised: November 2025
AN: 02723/2025Page 3 of 5
For the product to be fully effective, the whole content of the syringe must be injected
subcutaneously, e.g. dorsally anterior to the shoulder blades.
The syringe must be shaken vigorously to reconstitute the suspension and then injected
immediately.
releasing substance in dogs. A severe reaction may occur in dogs that is not observed
in cats.
product may cause pain, oedema or alopecia at the injection site. In particular, a small
painless swelling may occur and usually disappears within 6 weeks after administration.
In very rare cases lethargy has been reported for a few hours after injection, however it
disappears quickly.
The frequency of adverse reactions is defined using the following convention:
- very common (more than 1 in 10 animals treated displaying adverse reaction(s))
- common (more than 1 but less than 10 animals in 100 animals treated)
- uncommon (more than 1 but less than 10 animals in 1,000 animals treated)
- rare (more than 1 but less than 10 animals in 10,000 animals treated)
- very rare (less than 1 animal in 10,000 animals treated, including isolated reports).
recommended. It is essential that all cats (except for unweaned kittens) living in a
household are treated with the product to stop flea infestation. Dogs in the same
household should be treated as recommended by the prescribing veterinary surgeon.
Revised: November 2025
AN: 02723/2025Page 2 of 5
The injection should be carried out under aseptic conditions.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
In the case of accidental self-injection, a local reaction may occur. In such
circumstances seek medical advice immediately and show the package leaflet or the
label to the physician.
Avoid contact with skin and eyes. In the event of accidental eye or skin contact,
wash/rinse the area with clean running water. Seek medical attention if irritation
persists.
Keep the syringes in the outer carton.
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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Other Products Containing Lufenuron
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Alternative options to consider
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