The complete guide to finding help for codeine here.
YES. Codeine is addictive if you take codeine in large amounts or other than prescribed. This is even the case when codeine is prescribed by a doctor. We review what codeine is made of, and how you get addicted to codeine here.
Codeine only stays in your system for a couple of days. More about codeine detection windows for blood, hair, and urine tests here.
Yes. Codeine is a narcotic. In fact, codeine is both a medical and legal narcotic. Codeine is also a Schedule II controlled substance. More on codeine classification here.