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
• Kidney problems 284 reports
• Liver problems 272 reports
• Hair loss 247 reports
• Weight loss 246 reports
• Laminitis 238 reports
• Skin redness 221 reports
• Pain 216 reports
• Swollen lip 197 reports
• Loose stool 190 reports
• Overdose 184 reports
• Digestive tract disorder 182 reports
• Reluctant to move 179 reports
• Weakness 166 reports
• Stomatitis 160 reports
• Increased sweating 155 reports
• Oral ulceration 154 reports
• Neurological signs 142 reports
• Abnormal ultrasound finding 142 reports
• Dehydration 138 reports
• Gastric ulcer 137 reports
• Underdose 132 reports
• Blood problems 131 reports
• Muscle stiffness 131 reports
• Swollen tongue 131 reports
• Excessive urination 128 reports
• Excessive thirst 125 reports
• Pale mucous membrane 119 reports
• Buccal irritation 116 reports
• Eye or vision problems 115 reports
• Leucocytosis 113 reports
• Lying down 109 reports