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

Vomiting2,649
Diarrhoea1,126
Lack of efficacy (ectoparasite) - tick NOS733
Other abnormal test result NOS714
Lack of efficacy (bacteria) - Borrelia647
Lethargy (see also Central nervous system depression in 'Neurological')624
Seizure NOS619
Lack of efficacy (endoparasite) - heartworm470

Cats

Vomiting148
Lack of efficacy (ectoparasite) - flea142
Panting102
Behavioural disorder NOS96
Lethargy (see also Central nervous system depression in Neurological)80
Scratching65
Hyperactivity54
Not eating53

Sources

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