A profile of the active ingredient: its drug class, recorded adverse effects, and withdrawal periods by animal species — with sources.

Drug class
Antiparasitics
Registered species
2
Recorded effects
16
Related products
0

Recorded adverse effects

openFDA veterinary reports — the numbers are report counts, not a severity rate.

Dogs

Vomiting3,753
Seizure NOS2,754
Lethargy (see also Central nervous system depression in 'Neurological')1,567
Tremor1,337
Diarrhoea1,321
Lack of efficacy (ectoparasite) - tick NOS1,208
Lack of efficacy (ectoparasite) - flea1,051
Ataxia1,004

Cats

Seizure NOS100
Accidental exposure91
Vomiting71
Twitching49
Tremor47
Drooling23
Hypersalivation20
Lethargy (see also Central nervous system depression in 'Neurological')17

Sources

  • •Adverse effects: the openFDA veterinary database.
  • •Always verify the locally approved leaflet and consult a veterinarian.