Publication date: May 01, 2026
This case report presents an older male who presented with small bowel obstruction after ingesting ivermectin horse paste that he had purchased online without a prescription. Unfortunately, ingestion of ivermectin by humans, including non-human formulations, has become more common after it was misrepresented as a treatment for COVID during the pandemic. This patient experienced a recurrent small bowel obstruction that resulted in life-threatening gastrointestinal bleeding and required multiple surgeries. As such, it should serve as a warning of the dangers involved in consuming medicines for off-label indications without direct supervision by a medical professional.
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| Concepts | Keywords |
|---|---|
| Covid | bezoar |
| Gastrointestinal | gastrointestinal bleed |
| Horse | ivermectin |
| Misrepresented | small bowel obstruction |
| Professional | surgery |
Semantics
| Type | Source | Name |
|---|---|---|
| drug | DRUGBANK | Ivermectin |
| drug | DRUGBANK | Bos taurus gallstone |
| disease | MESH | Bezoar |
| pathway | REACTOME | Reproduction |
| drug | DRUGBANK | Coenzyme M |
| disease | MESH | COVID 19 |
| disease | MESH | parasitic infections |
| disease | MESH | nausea |
| disease | MESH | vomiting |
| disease | MESH | diarrhea |
| disease | MESH | hypotension |
| disease | MESH | headache |
| disease | MESH | edema |
| disease | MESH | dizziness |
| disease | MESH | emergency |
| disease | MESH | abdominal pain |
| disease | MESH | fevers |
| disease | MESH | weight loss |
| disease | MESH | adenomas |
| disease | MESH | diverticulosis |
| disease | MESH | constipation |
| disease | MESH | included |
| drug | DRUGBANK | Clopidogrel |
| disease | MESH | atrial fibrillation |
| disease | MESH | tachycardia |
| drug | DRUGBANK | Creatinine |
| disease | MESH | flatus |
| pathway | REACTOME | Hemostasis |
| disease | MESH | bleeding |
| disease | MESH | colonic diverticulosis |
| disease | MESH | Blood clots |
| disease | MESH | ulcers |
| disease | MESH | pressure injury |
| disease | MESH | ischemia |
| drug | DRUGBANK | Phenobarbital |
| disease | MESH | injury |
| disease | MESH | TOF |
| drug | DRUGBANK | Hydroxychloroquine |
Original Article
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