Trimethoprim + Sulfamethoxazole

17 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.
17
Total Reports
4
Deaths Reported
2350.0%
Death Rate

Active Ingredients

Trimethoprim + Sulfamethoxazole

Administration Routes

OralUnknown

Species Affected

Dog 17

Most Affected Breeds

Retriever - Labrador 3
Bulldog 2
Crossbred Canine/dog 1
Poodle (unspecified) 1
Terrier (unspecified) 1
Dachshund (unspecified) 1
Boxer (German Boxer) 1
Shih Tzu 1
Retriever - Golden 1
Dachshund - Miniature 1

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 5
Vomiting 5
Seizure NOS 4
Other abnormal test result NOS 3
Death 3
Emesis 2
Decreased appetite 2
Drooling 2
Shaking 2
Intestinal perforation 2
Peritonitis 2
Not eating 2

Outcome Breakdown

Ongoing
5 (29.4%)
Outcome Unknown
4 (23.5%)
Recovered/Normal
3 (17.6%)
Died
3 (17.6%)
Recovered with Sequela
1 (5.9%)
Euthanized
1 (5.9%)

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