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AVM-GSL Over the Counter Companion Animal

Johnson's Dog Flea Spray, Cutaneous Spray, Solution

Active ingredients: Piperonyl Butoxide, Pyrethrum Extract 25%

Form

Spray

Species

Cats Dogs

Manufacturer

Johnson's Veterinary Products Ltd

VMD MA No.

01759/5007

What it's used for

Insecticidal spray to kill fleas on dogs, puppies and cats over 12 weeks of age.

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 Piperonyl Butoxide + Pyrethr...

  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.

Clinical information

Johnson's Dog Flea Spray, Cutaneous Spray, Solution — SPC Details

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

Insecticidal spray to kill fleas on dogs, puppies and cats over 12 weeks of
age.
Directions for use: Shake can before use. Spray from a distance of
about 12" (30cm), all over body, commencing at tail, while brushing
against lie of coat to permit spray penetration. Avoid eyes and other
sensitive areas. Repeat every 3-4 days if necessary until infestation is
cleared. Keep animal under observation for 30 minutes after treatment,
then brush and comb to remove dead fleas.
Dogs: Spray small dogs for about 6 seconds, medium dogs for about 9
seconds and large dogs for about 14 seconds.

Revised: December 2025
MA split from NI Expiry following AN: 02038/2025Page 3 of 5
Cats: May be used with caution on cats over 12 weeks of age, but spray
only for 3-5 seconds (no more) according to size. Comb coat back into
place and towel lightly to remove all excess spray. Do not allow cat to
groom until this has been done and coat is dry. Some cats are sensitive
to aerosols, in which case use a cat flea powder or cat flea collar.
Fleas from pets often infest animal's basket, bedding and regular resting
areas such as carpets and soft furnishings which should be treated with
a suitable insecticide and vacuumed regularly. Wash or change pet
bedding regularly.
Do not use on animals under 12 weeks of age or on nursing bitches or
queens.
None reported.
CATS: Spray cats for 3-5 seconds (NO MORE) according to size, then
comb coat back into place and towel lightly to remove excess Spray. Do
not allow cat to groom until this has been done and coat is dry. Cats
should not be allowed to lick the hair of treated dogs.
DOGS & CATS:
HAZARD WARNING:
sources of heat for at least 30 minutes following spraying and until the fur
is totally dry.
Remove fleas from young animals and nursing bitches by careful use of
a flea comb.

Revised: December 2025
MA split from NI Expiry following AN: 02038/2025Page 2 of 5
May cause gastric irritation and nervous signs if ingested. (See also
5.9).
None reported.
Extremely flammable. Pressurised container: Protect from sunlight and
do not expose to temperatures exceeding 50ºC. Do not pierce or burn
even after use. Do not spray on a naked flame or any incandescent
material. Keep away from sources of ignition – No smoking. Do not store
above 25
For external use only.
4.5 ii) Special precautions to be taken by the person administering the
medicinal product to animals:
Do not breathe spray mist.
Use in well ventilated area.
Flammable. Do not spray on a naked flame or any incandescent
material.
Do not smoke when using this product.
Avoid contact with eyes. In case of accidental eye contact, rinse with
clean, fresh water. If eye irritation persists, seek medical advice.
Persons who are hypersensitive (allergic) to pyrethrum extract should
handle the product with care.
Treated animals should not be allowed to sleep or play with people,
particularly children, until the animal is dry.
Keep away from food and drink, including animal feeding stuffs.
Wash hands and exposed skin after use.
4.6 Adverse reactions (frequency and seriousness)
None reported.
4.7 Use during pregnancy, lactation or lay:
Do not use on nursing bitches or queens.
4.8 Interaction with other medicinal products and other forms of interaction:
None reported.
4.9 Amounts to be administered and administration route:
Directions for use: Shake can before use. Spray from a distance of
about 12" (30cm), all over body, commencing at tail, while brushing
against lie of coat to permit spray penetration. Avoid eyes and other
sensitive areas. Repeat every 3-4 days if necessary until infestation is
cleared. Keep animal under observation for 30 minutes after treatment,
then brush and comb to remove dead fleas.
Dogs: Spray small dogs for about 6 seconds, medium dogs for about 9
seconds and large dogs for about 14 seconds.

Revised: December 2025
MA split from NI Expiry following AN: 02038/2025Page 3 of 5
Cats: May be used with caution on cats over 12 weeks of age, but spray
only for 3-5 seconds (no more) according to size. Comb coat back into
place and towel lightly to remove all excess spray. Do not allow cat to
groom until this has been done and coat is dry. Some cats are sensitive
to aerosols, in which case use a cat flea powder or cat flea collar.
Fleas from pets often infest animal's basket, bedding and regular resting
areas such as carpets and soft furnishings which should be treated with
a suitable insecticide and vacuumed regularly. Wash or change pet
bedding regularly.
4.10 Overdose (symptoms, emergency procedures, antidotes) if necessary:
Hypersalivation, vomiting, diarrhoea and nervous signs are reported.
Tranquillisers may be used to control CNS effects.
4.11 Withdrawal periods:
Not applicable.
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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