Praziquantel
3,343 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.
3,343
Total Reports
103
Deaths Reported
310.0%
Death Rate
Active Ingredients
Praziquantel
Administration Routes
OralUnknownSubcutaneousParenteralIntramuscularTopicalOtherOphthalmicSubconjunctivalIntraocular
Species Affected
Cat 1,469
Unknown 958
Dog 883
Human 28
Other 2
Cockatiel 1
Chinchilla 1
Chicken 1
Most Affected Breeds
Unknown 990
Domestic Shorthair 689
Cat (unknown) 447
Domestic Longhair 123
Dog (unknown) 91
Retriever - Labrador 72
Chihuahua 61
Domestic Mediumhair 58
Crossbred Canine/dog 55
Siamese 41
Most Reported Reactions
Lack of efficacy (endoparasite) - tapeworm 592
Vomiting 314
Product label issues 278
Underfilling, Bottles 251
Lethargy (see also Central nervous system depression in 'Neurological') 249
Tablets, Abnormal 202
Diarrhoea 195
Emesis 195
Patient instructions for use on label confusing 169
Behavioural disorder NOS 165
Product Defect, General 155
Anorexia 136
Outcome Breakdown
Outcome Unknown
1,353 (57.5%)
Recovered/Normal
644 (27.4%)
Ongoing
246 (10.5%)
Died
80 (3.4%)
Euthanized
23 (1.0%)
Recovered with Sequela
6 (0.3%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.