Fentanyl, like all opiates, is extremely addictive. Even taking prescription fentanyl as instructed by a doctor can quickly lead to dependence and addiction. ​There are two types of fentanyl: medical grade (prescribed by a doctor) and illicitly manufactured. Medical grade fentanyl can be safely administered by healthcare providers. Illicitly manufactured fentanyl is not safe, and has ... https://secondnewlife.com/fentanyl-addiction/