Cat
487 reported events
openFDA
Top reactions: Lack of efficacy (ectoparasite) - flea (291) · Pruritus (155) · Behavioural disorder NOS (92) · Lethargy (see also Central nervous system depression in 'Neurological') (88) · Vomiting (64)
active substance
Pyriproxyfen — veterinary medicines
Authorised animal medicines containing Pyriproxyfen across national registers. Regulatory residue limits (MRL) and antimicrobial-resistance surveillance are shown when on record. This is a neutral reference and does not provide dosing or veterinary advice.
Reference information only — not veterinary advice and not a dosing source. Always consult a licensed veterinarian before giving any medicine to an animal.
Target species
DogsCats
Authorised products
66 authorised products across national registers.
Australia — APVMA PUBCRIS
United Kingdom — VMD
- Ectoline Duo 100 mg / 120 mg Spot-on Solution for Very Large Cats · 2 pack sizes
- Ectoline Duo 134 mg / 40 mg Spot-on Solution for Medium Dogs · 2 pack sizes
- Ectoline Duo 268 mg / 80 mg Spot-on Solution for Large Dogs
- Ectoline Duo 402 mg / 120 mg Spot-on Solution for Very Large Dogs · 2 pack sizes
- Ectoline Duo 50 mg / 60 mg Spot-on Solution for Cats · 2 pack sizes
- Ectoline Duo 67 mg / 20 mg Spot-on Solution for Small Dogs · 2 pack sizes
- Effipro Duo 100 mg/120 mg Spot-on Solution for Very Large Cats · 2 pack sizes
- Effipro Duo 134 mg/40 mg Spot-on Solution for Medium Dogs · 2 pack sizes
- Effipro Duo 268 mg/80 mg Spot-on Solution for Large Dogs · 2 pack sizes
- Effipro Duo 402 mg/120 mg Spot-on Solution for Very Large Dogs · 2 pack sizes
- Effipro Duo 50 mg/60 mg Spot-on Solution for Cats · 2 pack sizes
- Effipro Duo 67 mg/20 mg Spot-on Solution for Small Dogs · 2 pack sizes
- Fipralone Duo 134 mg/40 mg Spot-on Solution for Medium Dogs · 2 pack sizes
- Fipralone Duo 268 mg/80 mg Spot-on Solution for Large Dogs · 2 pack sizes
- Fipralone Duo 402 mg/120 mg Spot-on Solution for Very Large Dogs · 2 pack sizes
- Fipralone Duo 50 mg/60 mg Spot-on Solution for Cats · 2 pack sizes
- Fipralone Duo 67 mg/20 mg Spot-on Solution for Small Dogs · 2 pack sizes
- Fipronil Pyriproxyfen Virbac 100 mg/120 mg Spot-on Solution for Very Large Cats · 2 pack sizes
- Fipronil Pyriproxyfen Virbac 134 mg/40 mg Spot-on Solution for Medium Dogs · 2 pack sizes
- Fipronil Pyriproxyfen Virbac 268 mg/80 mg Spot-on Solution for Large Dogs · 2 pack sizes
- Fipronil Pyriproxyfen Virbac 402 mg/120 mg Spot-on Solution for Very Large Dogs · 2 pack sizes
- Fipronil Pyriproxyfen Virbac 50 mg/60 mg Spot-on Solution for Cats · 2 pack sizes
- Fipronil Pyriproxyfen Virbac 67 mg/20 mg Spot-on Solution for Small Dogs · 2 pack sizes
- Johnson's 4 Fleas Protector 12 mg Spot-on Solution for Puppies and Small Dogs
- Johnson's 4 Fleas Protector 30 mg Spot-on Solution for Medium Dogs
- Johnson's 4 Fleas Protector 60 mg Spot-on Solution for Cats and Kittens
- Johnson's 4 Fleas Protector 60 mg Spot-on Solution for Large Dogs
- Vectra 3D Spot-on Solution for Dogs 1.5–4 kg · 2 pack sizes
- Vectra 3D Spot-on Solution for Dogs 10–25 kg · 2 pack sizes
- Vectra 3D Spot-on Solution for Dogs 25–40 kg · 2 pack sizes
- Vectra 3D Spot-on Solution for Dogs 4–10 kg · 2 pack sizes
- Vectra 3D Spot-on Solution for Dogs > 40 kg · 2 pack sizes
- Vectra Felis 423 mg/42.3 mg Spot-on Solution for Cats · 2 pack sizes
Residue limits (MRL)
No residue limits (MRL) are recorded for this substance.
Antimicrobial resistance surveillance
No antimicrobial-resistance surveillance is recorded for this substance.
Reported adverse events (openFDA)
Spontaneous adverse-event reports that name Pyriproxyfen, by species — reported counts, not proven reactions.
Source: openFDA Animal & Veterinary adverse-event reports.
Surveillance reference only — these are spontaneous adverse-event report counts, not proven adverse reactions, not causation and not a measure of any product's risk or safety. Always consult a licensed veterinarian.
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