Talk:Structural Biochemistry/Drug Antagonists

"Naloxone- Is a drug antagonist that blocks the effects of opiates. It is administered via injection. In many cases, naloxone is used to counter overdose of opiates such as a heroin overdose. It is made from thebain. It is a μ-opioid receptor....." I don't think Naloxone is a receptor. I think it is receptor inhibitor., not a receptor. I am not sure if it is competitive or non-competitive though!