Permethrin

38 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

1050.0%

Death Rate

Active Ingredients

Permethrin

Administration Routes

TopicalCutaneousUnknownOther

Species Affected

Dog 25

Cattle 10

Cat 2

Goat 1

Most Affected Breeds

Cattle (other) 5

Shepherd Dog - German 5

Dachshund - Miniature 5

Mixed (Cattle) 4

Beagle 2

Crossbred Canine/dog 2

Sheepdog - Shetland 2

Retriever - Labrador 2

Domestic Shorthair 1

Mixed (Dog) 1

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 11

Lethargy (see also Central nervous system depression in 'Neurological') 4

Application site pruritus 3

Lack of efficacy (flea) 3

Death 3

Lack of efficacy - NOS 3

Flaking skin 2

Skin lesion NOS 2

Depression 2

Disorientation 2

Not eating 2

Drooling 1

Outcome Breakdown

Outcome Unknown

29 (69.0%)

Recovered/Normal

5 (11.9%)

Died

3 (7.1%)

Ongoing

3 (7.1%)

Recovered with Sequela

1 (2.4%)

Euthanized

1 (2.4%)

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