Is Drug abuse is the use of any illegal drug or improper use of any medicine?

yes that is correct drug abuse is abuse to a perscription drug or over the counter drug being taken in an improper way on purpose

Explanation:

antipsychotic medications are often used in combination with other medications to treat delirium, dementia, and mental health conditions, including:

*attention-deficit hyperactivity disorder (adhd).

*severe depression.

*eating disorders.

*post-traumatic stress disorder (ptsd).

*obsessive compulsive disorder (ocd).

and more.

i believe the answer would be 'd'.

hope this !