Pyrethrin

16 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.

Total Reports

Deaths Reported

620.0%

Death Rate

Active Ingredients

Pyrethrin

Administration Routes

TopicalUnknownCutaneousAuricular (Otic)Other

Species Affected

Dog 12

Cat 4

Most Affected Breeds

Pekingese 2

Domestic Mediumhair 2

Crossbred Canine/dog 2

Hound - Basset 1

Maine Coon 1

Domestic Shorthair 1

Terrier - Boston 1

Dog (unknown) 1

Retriever - Labrador 1

Terrier - Jack Russell 1

Most Reported Reactions

Ataxia 4

Lethargy (see also Central nervous system depression in 'Neurological') 3

Not eating 3

Overdose 3

Lack of efficacy (flea) 3

Partial lack of efficacy 3

Disorientation 2

Blindness 2

Mydriasis 2

Lack of efficacy (ectoparasite) - flea 2

Elevated alanine aminotransferase (ALT) 2

Behavioural disorder NOS 1

Outcome Breakdown

Outcome Unknown

6 (37.5%)

Recovered/Normal

4 (25.0%)

Recovered with Sequela

3 (18.8%)

Ongoing

2 (12.5%)

Euthanized

1 (6.3%)

Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.