If the person DOES NOT respond to stimulation and remains unconscious (not awake) or they appear to get worse:
If someone overdoses, call 911. It is important to have trained medical professionals treat the overdose victim. People who survive an overdose are at risk for other health complications, such as pneumonia and heart problems. Getting someone checked out by a medical professional is an important part of reducing the harms related to overdosing.
If you have to leave the person at all, even for a minute to call 911, make sure you put them in the Recovery Position. Lay the person on his or her side, support his or her body with a bent knee, and turn the face to the side. This will help to keep the airway clear and prevent them from choking on their own vomit.
When someone overdoses, the biggest danger is a lack of oxygen. Rescue breathing gives the overdose victim the oxygen they need.
It is important that the person’s airway is clear so air can get into the lungs. Place the person on their back, place your hand under their neck and tilt their chin up. Check to see if there is anything in their mouth blocking the airway, such as gum. If so, remove it.
Continue this pattern until: