Get answers to all your poison questions. Talk to a specially trained nurse or pharmacist when you call the Missouri Poison Center. The Missouri Poison Center is free, fast, confidential, and open 24/7. Each poison exposure is unique. Do not wait for signs of poisoning before calling the Poison Help Line (1-800-222-1222), which connects you to a specially trained nurse or pharmacist. Stay calm. Not all medicines, chemicals, or household products are poisonous. Not all contact with poison results in poisoning. Make sure to have the container of the product you think caused the poisoning nearby. The label has important information.