Significantly slowed breathing, which can be life-threatening.

Counseling and cognitive-behavioral therapy help individuals modify their behaviors and develop coping mechanisms.

Heroin overdose is a medical emergency characterized by slow and shallow breathing, blue fingernails or lips, and loss of consciousness.

This is a life-saving medication capable of reversing an opioid overdose if administered in time. Many regions have programs to make naloxone available to the public.