This guide offers simple life-saving steps to help you recognize and respond if a loved one or someone nearby is experiencing an overdose. It walks you through how to check for signs of trouble, how to use Narcan (naloxone) safely, and how to stay by their side until professional medical help arrives. You’ll also find helpful information on California’s Good Samaritan Laws, which are designed to protect you while you focus on getting someone the emergency care they need.