Search Search Search You must have JavaScript enabled to use this form. Topic (-) Shelter Medicine (-) Toxicology & Poison Control Active FiltersShelter Medicine Group 9 Toxicology & Poison Control Group 9 Clear All How to Treat Rodenticide Poisoning in Horses The ASPCA Poison Control Center offers recommendations for rodenticides ingested by horses. Hypernatremia and Activated Charcoal Here are some of the most commonly asked questions concerning hypernatremia from activated charcoal.