As a registered nurse or RN, you can work as a specialist in a poison control center, hospital, or another medical facility. Your responsibilities include answering calls on a 24-hour line, managing poisoning emergencies, working with other medical professionals, and recommending treatment for patients who call the poison control hotline. Your duties also include making quick decisions about patient health and providing education to prevent future exposure to poisons. Your role as a poison control specialist relies on your experience as an RN, as well as your ability to use computer software and follow medically approved guidelines to assess and treat a poison emergency properly.