first aid for poisons
1 Swallowed poison. 2  Remove anything remaining in the person's mouth. 3  If the suspected poison is a household cleaner or other chemical, read the container's label and follow instructions for accidental poisoning. If the person vomits, turn his or her head to the side to prevent choking. 2  Begin CPR if the person shows no signs of life, such as moving, breathing or coughing. 3  Call Poison Help at 800-222-1222 in the United States or your regional poison control for additional instructions.