Fentanyl is an opioid medication (in the same category as codeine and heroin). It was developed as a strong painkiller, and can be taken as a pill, patch, lozenge or via injection. People can also use ...
Fentanyl is an opioid medication (in the same category as codeine and heroin). It was developed as a strong painkiller, and can be taken as a pill, patch, lozenge or via injection. People can also ...