Lack of efficacy (tick)
VeDDRA Code: 2658
6,102 adverse event reports referencing this reaction
6,102
Total Reports
71
Deaths
120.0%
Death Rate
Species Most Affected
Dog 5,999
Cat 88
Cattle 11
Marsupial 2
Sheep 1
Deer 1
Breeds Most Affected
Crossbred Canine/dog 716
Retriever - Labrador 715
Dog (unknown) 449
Retriever - Golden 383
Shepherd Dog - German 296
Shih Tzu 248
Terrier - Yorkshire 175
Pit Bull 119
Shepherd Dog - Australian 118
Beagle 116
Associated Drugs
Afoxolaner 2,200
Fluralaner Chew Tablets 1,427
Sarolaner 850
Afoxolaner 28.3 Mg Chewable Tablets 468
Recombitek Lyme - 2126.R0 446
Afoxolaner 68 Mg Chewable Tablets 288
Afoxolaner 11.3 Mg Chewable Tablets 244
Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19 214
Afoxolaner 136 Mg Chewable Tablets 202
Fluralaner 13.64% 12-Week Chew 138
Ivermectin + Pyrantel As Pamoate Salt 135
Canine B Burgdorferi *2 Alu Kb 101
Lotilaner 91
Fluralaner Spot-On Solution 74
Milbemycin Oxime + Spinosad 62
Milbemycin Oxime + Praziquantel 53
Selamectin 45
Fluralaner 13.64% Chew Tablets 25
Fipronil + S-Methoprene 23
Fipronil + Pyriproxyfen + S-Methoprene 21
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.