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