Chlorambucil

91 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.
91
Total Reports
21
Deaths Reported
2310.0%
Death Rate

Active Ingredients

Chlorambucil

Administration Routes

UnknownOral

Species Affected

Cat 62
Dog 29

Most Affected Breeds

Domestic Shorthair 31
Domestic Longhair 6
Retriever - Labrador 5
Domestic Mediumhair 5
Persian 4
Shih Tzu 3
Maine Coon 3
Cat (other) 3
Crossbred Canine/dog 3
American Shorthair 2

Most Reported Reactions

Death by euthanasia 15
Vomiting 13
Lack of efficacy - NOS 11
Other abnormal test result NOS 10
Weight loss 10
Anorexia 9
Lethargy (see also Central nervous system depression in 'Neurological') 8
Diarrhoea 8
Behavioural disorder NOS 6
Anaemia NOS 5
Decreased appetite 5
Staggering 5

Outcome Breakdown

Ongoing
41 (45.1%)
Recovered/Normal
17 (18.7%)
Euthanized
16 (17.6%)
Outcome Unknown
11 (12.1%)
Died
5 (5.5%)
Recovered with Sequela
1 (1.1%)

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