...  addiction.A horrific car accident can be the very beginning of addiction for many people…even a minor tooth extraction can be the cause of addiction for those who claim that addiction will never happen to them.So,it’s very difficult to give 1 cause for addiction,but it usually starts with 1 prescription.And,for many people? It just goes on ward from there,and can last for years.I just listed a few causes,and I can list many more right off the top of my head. As for effects from prescription drug addiction? Effects from addiction vary from person to person…..and,the extent of the individuals addiction.For example…a person who has been addicted for 10+ years….that person lost everything due to their addiction.Then another person who sought help early on in their addiction,and were able to salvage their life,and their family,job,etc.. But the overalll efects can be devastating and can end in the loss of human life. Some addicts have no one to turn to ...