Thyroid Supplement
129 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.
129
Total Reports
19
Deaths Reported
1470.0%
Death Rate
Active Ingredients
Thyroid Supplement
Administration Routes
OralUnknown
Species Affected
Dog 128
Cat 1
Most Affected Breeds
Retriever - Labrador 16
Retriever - Golden 12
Crossbred Canine/dog 8
Boxer (German Boxer) 7
Beagle 6
Terrier (unspecified) 5
Shepherd Dog - German 4
Dog (unknown) 4
Pug 3
Rottweiler 3
Most Reported Reactions
Weight loss 20
Diarrhoea 17
Death by euthanasia 16
Lack of efficacy - NOS 16
Vomiting 15
Lethargy (see also Central nervous system depression in 'Neurological') 13
Decreased appetite 13
Elevated alanine aminotransferase (ALT) 11
INEFFECTIVE, LOSS OF EFFECT 11
Elevated serum alkaline phosphatase (SAP) 10
Decreased urine concentration 10
Polydipsia 9
Outcome Breakdown
Ongoing
49 (38.0%)
Outcome Unknown
37 (28.7%)
Recovered/Normal
24 (18.6%)
Euthanized
16 (12.4%)
Died
3 (2.3%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.