Unknown Heartworm Preventive

10 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

1000.0%

Death Rate

Active Ingredients

Unknown Heartworm Preventive

Administration Routes

UnknownOral

Species Affected

Dog 10

Most Affected Breeds

Retriever - Labrador 2

Rottweiler 2

Terrier - Norwich 1

Shepherd Dog - German 1

Collie (unspecified) 1

Catahoula Leopard Dog 1

Hound (unspecified) 1

Dachshund (unspecified) 1

Most Reported Reactions

Lack of efficacy (endoparasite) - heartworm 6

Tachycardia 1

Hypertension 1

Seizure NOS 1

Other abnormal test result NOS 1

Ataxia 1

Tremor 1

Gingival hyperplasia 1

Emesis 1

Weight gain 1

Lethargy (see also Central nervous system depression in Neurological) 1

Behavioural disorder NOS 1

Outcome Breakdown

Outcome Unknown

4 (40.0%)

Recovered/Normal

2 (20.0%)

Ongoing

2 (20.0%)

Recovered with Sequela

1 (10.0%)

Euthanized

1 (10.0%)

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