drug addict
junkie
junky

The drug addicts, all they care about is their next high.

For a drug addict, price is not really an issue.

A Believe hot line was set up for drug addicts.

The man is in the position of a drug addict.

Not every young person's some sort of drug addict, you know.

She played a drug addict trying to make it in the music business.

A drug addict would be sent to a treatment center.

It's about a woman I know who was drug addict.

For several years, in fact, she had been a drug addict.

Fine, for the moment, former drug addict who wants money.