Chlorpheniramine Maleate
94 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.
94
Total Reports
2
Deaths Reported
210.0%
Death Rate
Active Ingredients
Chlorpheniramine Maleate
Administration Routes
OralUnknownSubcutaneous
Species Affected
Dog 87
Cat 7
Most Affected Breeds
Retriever - Labrador 8
Chihuahua 6
Terrier - Yorkshire 6
Shih Tzu 5
Terrier - Jack Russell 4
Domestic Shorthair 4
Terrier - Boston 3
Maltese 3
Spaniel - Cocker American 3
Retriever (unspecified) 2
Most Reported Reactions
Emesis 27
Lethargy (see also Central nervous system depression in 'Neurological') 19
Vomiting 15
Seizure NOS 11
Other abnormal test result NOS 6
Behavioural disorder NOS 6
Panting 5
Cough 5
Pruritus 5
Anorexia 5
Wheezing 4
Decreased appetite 4
Outcome Breakdown
Recovered/Normal
50 (53.2%)
Outcome Unknown
22 (23.4%)
Recovered with Sequela
11 (11.7%)
Ongoing
9 (9.6%)
Died
2 (2.1%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.