Fentanyl is a very strong synthetic opioid that is extremely addictive, even in the smallest amounts. This drug can enter a person's life quickly and impact one's physical and mental health, relationships, and functionality level. Since fentanyl addiction is owing to the abuse of drugs that result in physical dependence, craving, and withdrawal, enrolling in a fentanyl addiction treatment program is essential. Recognizing such signs will help the person get their life back on track.