Opisthotonus
VeDDRA Code: 644
203 adverse event reports referencing this reaction
203
Total Reports
72
Deaths
3550.0%
Death Rate
Species Most Affected
Dog 159
Cat 30
Cattle 9
Turkey 2
Reindeer 1
Goat 1
Fox 1
Breeds Most Affected
Crossbred Canine/dog 28
Domestic Shorthair 15
Retriever - Labrador 14
Terrier - Yorkshire 13
Maltese 9
Shih Tzu 8
Chihuahua 7
Domestic (unspecified) 6
Pug 5
Retriever - Golden 5
Associated Drugs
Milbemycin Oxime + Spinosad 27
Propofol 26
Afoxolaner 16
Butorphanol 12
Spinosad 11
Carprofen 11
Maropitant Citrate 11
Isoflurane 10
Fluralaner Chew Tablets 9
Diazepam 7
Alfaxalone 7
Midazolam 7
Cefovecin 6
Buprenorphine 6
Oclacitinib Maleate 6
Sarolaner 6
Cefovecin Sodium 5
Dexmedetomidine 5
Fluralaner 13.64% 12-Week Chew 5
Meloxicam 4
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.