It is difficult to say exactly what a drug problem is. Others, including the person using drugs, may not view what you perceive as a problem in the same way.

Many experts agree that a drug problem is not measured by how much, how many or what drugs a person uses, but by how the drug affects the person's life and the lives of those around them.

There are many types of drugs that can cause problems, including prescription medicines, over-the-counter or non-prescription medicines, alcohol, tobacco, and illegal drugs.