Sulfamethoxazole + Trimethoprim

16 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

1250.0%

Death Rate

Active Ingredients

SulfamethoxazoleSulfamethoxazole + TrimethoprimTrimethoprim

Administration Routes

OralUnknown

Species Affected

Dog 14

Cat 1

Horse 1

Most Affected Breeds

Collie - Border 3

Shepherd Dog - German 2

Crossbred Canine/dog 2

Bulldog - French 1

Persian 1

Quarter Horse 1

American Pit Bull Terrier 1

Hound - Afghan 1

Pit Bull 1

Griffon - French Wire-haired Pointing 1

Most Reported Reactions

Vomiting 3

Lack of efficacy - NOS 3

Lethargy (see also Central nervous system depression in 'Neurological') 3

Cough 3

Diarrhoea 2

Decreased appetite 2

Lack of efficacy (endoparasite) - roundworm NOS 2

Pain NOS 2

Lameness 2

Behavioural disorder NOS 2

Lack of efficacy (endoparasite) - hookworm 2

Hair loss NOS 2

Outcome Breakdown

Ongoing

7 (43.8%)

Recovered/Normal

3 (18.8%)

Outcome Unknown

3 (18.8%)

Recovered with Sequela

1 (6.3%)

Died

1 (6.3%)

Euthanized

1 (6.3%)

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