Diphenhydramine Injectable

11 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

1820.0%

Death Rate

Active Ingredients

Diphenhydramine Injectable

Administration Routes

UnknownIntramuscular

Species Affected

Dog 8

Cat 3

Most Affected Breeds

Domestic Shorthair 3

Shepherd Dog - Australian 1

Pug 1

Shih Tzu 1

Doberman Pinscher 1

Terrier - Rat 1

Poodle - Miniature 1

Terrier - Boston 1

Crossbred Canine/dog 1

Most Reported Reactions

Vomiting 6

Lethargy (see also Central nervous system depression in 'Neurological') 4

Diarrhoea 3

Anaphylaxis 3

Other abnormal test result NOS 2

Anaemia NOS 2

Emesis (multiple) 2

Weight loss 2

Drooling 2

Lack of efficacy - NOS 2

Facial swelling (see also Skin) 2

Oral ulceration 1

Outcome Breakdown

Ongoing

6 (54.5%)

Recovered/Normal

2 (18.2%)

Euthanized

1 (9.1%)

Died

1 (9.1%)

Outcome Unknown

1 (9.1%)

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