Sildenafil
63 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.
63
Total Reports
11
Deaths Reported
1750.0%
Death Rate
Active Ingredients
Sildenafil
Administration Routes
OralUnknownOther
Species Affected
Dog 62
Human 1
Most Affected Breeds
Chihuahua 10
Terrier - Yorkshire 7
Terrier - Jack Russell 4
Shepherd Dog - Australian 4
Dog (unknown) 3
Maltese 3
Shih Tzu 3
Poodle (unspecified) 2
Crossbred Canine/dog 2
Dachshund (unspecified) 2
Most Reported Reactions
Not eating 11
Lethargy (see also Central nervous system depression in Neurological) 9
Behavioural disorder NOS 7
Hyperkalaemia 7
Lack of efficacy - NOS 6
Vomiting 6
Death 6
Death by euthanasia 6
Weight loss 5
Decreased appetite 5
Diarrhoea 5
Abnormal radiograph finding 5
Outcome Breakdown
Outcome Unknown
24 (38.7%)
Ongoing
16 (25.8%)
Recovered/Normal
11 (17.7%)
Died
6 (9.7%)
Euthanized
5 (8.1%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.