Being addicted to drug is a consequence of a wrong practice. A proper treatment is definitely required to let the person get out of this habit. But in no way you can refer drug addiction to be a disease. Experts dealing specifically with the addiction problem have referred it to be very much circumstantial that goes out of control after a certain time when you are already in the flow of taking drugs.
The level of treatment is determined by the person’s condition. If the rate of instability is too high and it becomes tough to keep the person at home, it is always suggested to shift him/her to a rehab treatment centers. Such rehab centers try to give a personal care to these patients. The ways of keeping a direct supervision on the person cannot be given at home. There are experts looking at different aspects. The team is always ready to look after the mental condition and give adequate counseling. So, not a single stone is left unturned to help the person come out of this crisis.