Authorised animal medicine, recorded in United States — FDA Green Book. This is a neutral reference record 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.
Spontaneous adverse-event reports that name Nitenpyram, by species — reported counts, not proven reactions.
Dog
10,644 reported events
openFDA
Top reactions: Lack of efficacy (ectoparasite) - flea (4,757) · Lack of efficacy (flea) (1,307) · Vomiting (952) · Lethargy (see also Central nervous system depression in 'Neurological') (707) · Lack of efficacy - NOS (666)
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.