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Medicine side effects in horses

17,537 reports to the FDA about horses, covering 47 medicines with enough reports to analyse. Pick a medicine to see what was reported.

Macrocyclic lactone (heartworm and parasite prevention)

Ivermectin + Praziquantel2,648 reports Moxidectin (ProHeart 6)1,369 reports Ivermectin (Heartgard)689 reports Moxidectin + Praziquantel372 reports

Dewormer

Pyrantel938 reports Fenbendazole169 reports

Non-steroidal anti-inflammatory drug (NSAID)

Firocoxib (Previcox)497 reports

Antibiotic

Enrofloxacin (Baytril)80 reports

Vaccine

Rabies Vaccine78 reports

Corticosteroid

Dexamethasone61 reports

Other medicines

Omeprazole1,939 reports Pergolide1,236 reports Ceftiofur1,214 reports Detomidine991 reports Flunixin Meglumine622 reports Ketamine567 reports Polysulfated Glycosaminoglycan516 reports Xylazine465 reports Hyaluronate Sodium419 reports Sucralfate393 reports Clodronate Disodium307 reports Butorphanol299 reports Pentosan Polysulfate Sodium203 reports Ponazuril176 reports Monensin167 reports Phenylbutazone149 reports Triamcinolone138 reports Pentobarbital + Phenytoin125 reports Oxibendazole124 reports Monensin Sodium120 reports Gentamicin115 reports Oxybendazole111 reports Misoprostol106 reports Clenbuterol Hydrochloride101 reports Methylprednisolone100 reports Ciclesonide94 reports Misoprostal89 reports Selenium Vitamin E83 reports Penicillin G Procaine80 reports Deslorelin Acetate80 reports N-butylscopolaminium Bromide76 reports Altrenogest Oily75 reports Diclazuril Pellets69 reports Nitazoxanide66 reports Acepromazine62 reports Dinoprost Tromethamine58 reports Sulfadiazine Trimethoprim57 reports

Most reported reactions in horses

Didn't work as expected 4,016 reports
Swelling 3,378 reports
Death 1,974 reports
Loss of appetite 1,607 reports
Lethargy 1,393 reports
Allergic reaction 1,318 reports
Injection site reaction 1,086 reports
Abdominal pain 999 reports
Diarrhea 859 reports
Wobbliness (ataxia) 853 reports
Fever 842 reports
Colic 740 reports
Behaviour change 653 reports
Recumbency 648 reports
Breathing problems 596 reports
Drooling 534 reports
No sign 498 reports
Accidental exposure 491 reports
Restlessness or agitation 459 reports
Lameness 434 reports
Collapse 431 reports
Application site reaction 417 reports
Tremors 391 reports
Itching 386 reports
Didn't stop worms 367 reports
Seizures 357 reports
Tachycardia 349 reports
Locking mechanism abnormal 327 reports
Swollen mouth 303 reports
Hyperhidrosis 291 reports

All reactions › · By breed ›