Thyroid Medication (Unknown)
388 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.
388
Total Reports
16
Deaths Reported
410.0%
Death Rate
Active Ingredients
Thyroid Medication (Unknown)
Administration Routes
OralUnknownAuricular (Otic)TopicalTransdermalIntraocular
Species Affected
Dog 343
Cat 32
Human 10
Unknown 3
Most Affected Breeds
Retriever - Labrador 52
Retriever - Golden 24
Crossbred Canine/dog 18
Domestic Shorthair 16
Spaniel - Cocker American 13
Unknown 13
Terrier - Yorkshire 12
Beagle 12
Chihuahua 11
Boxer (German Boxer) 9
Most Reported Reactions
Emesis 89
Vomiting 75
Lethargy (see also Central nervous system depression in 'Neurological') 42
Lack of efficacy - NOS 40
Lack of efficacy (ectoparasite) - flea 34
Diarrhoea 34
Not eating 19
Behavioural disorder NOS 17
Weight loss 16
Other abnormal test result NOS 16
Decreased appetite 15
Anorexia 14
Outcome Breakdown
Recovered/Normal
176 (45.7%)
Outcome Unknown
110 (28.6%)
Ongoing
50 (13.0%)
Recovered with Sequela
33 (8.6%)
Euthanized
12 (3.1%)
Died
4 (1.0%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.