Ask your doctor for the number or look on the first page of your phone book. Write the number and post it by your phone. Keep syrup of Ipecac in your home. Take it on vacation or wherever your children regularly visit. Ipecac is a treatment for some types of poisonings as it causes vomiting.
Most drugstores sell it.
Keep the child calm. Look in the child's mouth. Remove any remaining pills, pieces of plant, etc. Take the child and the poison to a phone. Call the poison center or your doctor.