Chlorphenamine
87 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.
87
Total Reports
3
Deaths Reported
340.0%
Death Rate
Active Ingredients
Chlorphenamine
Administration Routes
OralUnknown
Species Affected
Dog 75
Cat 12
Most Affected Breeds
Domestic Shorthair 9
Bichon Frise 6
Shih Tzu 5
Retriever - Labrador 5
Chihuahua 4
Spitz - German Pomeranian 4
Bulldog 3
Boxer (German Boxer) 3
Terrier - Yorkshire 3
Terrier - Jack Russell 2
Most Reported Reactions
Emesis 33
Vomiting 20
Lack of efficacy - NOS 10
Lethargy (see also Central nervous system depression in 'Neurological') 9
Behavioural disorder NOS 6
Lack of efficacy (ectoparasite) - flea 3
Seizure NOS 3
INEFFECTIVE, HEARTWORM LARVAE 3
Other abnormal test result NOS 3
Elevated alanine aminotransferase (ALT) 3
Death 3
Emesis (multiple) 3
Outcome Breakdown
Recovered/Normal
49 (56.3%)
Outcome Unknown
17 (19.5%)
Ongoing
11 (12.6%)
Recovered with Sequela
7 (8.0%)
Died
3 (3.4%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.