Tertiary prevention focuses on people who are already affected by a disease. The goal is to improve quality of life by reducing disability, limiting or delaying complications, and restoring function. This is done by treating the disease and providing rehabilitation.
Answer: I believe that it is not safe because if you were to say crush it up and snort it and you thought that is wasn't working so you did another and then maybe another then you might be taking more then what you where supposed to take in one setting.