Heartgard

360 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.

360

Total Reports

Deaths Reported

530.0%

Death Rate

Active Ingredients

Heartgard

Administration Routes

OralUnknownTopicalSubcutaneous

Species Affected

Dog 360

Most Affected Breeds

Retriever - Labrador 50

Crossbred Canine/dog 30

Shepherd Dog - German 30

Terrier - Bull - American Pit 24

Retriever - Golden 18

Boxer (German Boxer) 12

Terrier (unspecified) 11

Chihuahua 9

Beagle 9

Shepherd Dog - Australian 7

Most Reported Reactions

Lack of efficacy (endoparasite) - heartworm 167

Vomiting 41

Seizure NOS 21

Diarrhoea 18

Weight loss 14

Panting 14

Lethargy (see also Central nervous system depression in 'Neurological') 13

Emesis (multiple) 13

Death by euthanasia 13

Anorexia 12

Lethargy (see also Central nervous system depression in Neurological) 12

Polyuria 10

Outcome Breakdown

Ongoing

262 (72.8%)

Recovered/Normal

45 (12.5%)

Outcome Unknown

33 (9.2%)

Euthanized

13 (3.6%)

Died

6 (1.7%)

Recovered with Sequela

1 (0.3%)

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