Do you frequently use heroin if you have access to it?
Have you ever used more heroin than you intended to in a day?
Do you use heroin for more hours than you did when you started?
Do you need to use more heroin to get the same high you had in previous uses?
Do you experience withdrawal symptoms (sweats, anxiety, insomnia, irritability) when you stop using heroin?
Have you ever experienced diarrhea, vomiting, or other physical symptoms when you stop using heroin?
Have you ever unsuccessfully tried to quit heroin?
Has your heroin use interfered with your work?
Have you lost or withdrawn more from friends because of your heroin use?
Has heroin caused you to neglect family or personal responsibilites?
Have you withdrawn or lost interest in your hobbies or social life because of your heroin use?
Do you spend a lot of time thinking about heroin or how to get more?
Since using heroin, have you had dry mouth, irregular behavior, or memory loss?
Since using heroin, have you had any heart, lung, or liver problems?
Have you ever been hospitalized because of heroin?