Flea Collar

270 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.

270

Total Reports

Deaths Reported

300.0%

Death Rate

Active Ingredients

Flea Collar

Administration Routes

CutaneousTopicalUnknownOtherOralTransdermal

Species Affected

Dog 180

Cat 90

Most Affected Breeds

Domestic Shorthair 46

Chihuahua 31

Crossbred Canine/dog 23

Domestic Longhair 16

Cat (unknown) 10

Terrier - Yorkshire 9

Retriever - Labrador 9

Dog (unknown) 9

Shih Tzu 8

Dachshund (unspecified) 6

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 107

Lack of efficacy (flea) 60

Lethargy (see also Central nervous system depression in 'Neurological') 27

Scratching 21

Vomiting 16

Emesis 13

Itching 13

Underdose 12

Partial lack of efficacy 12

Panting 11

Vocalisation 11

Hyperactivity 10

Outcome Breakdown

Outcome Unknown

177 (65.6%)

Ongoing

43 (15.9%)

Recovered/Normal

34 (12.6%)

Died

8 (3.0%)

Recovered with Sequela

8 (3.0%)

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