dr. ordman founded the pain management clinic at london's royal free hospital. when you give a pain prescription to somebody, fell me what you tell that patient. >> you must please stick to the dose i've prescribed for you. and you must not escalate it without medical permission. you must keep the medication locked up and safe so that nobody else can get their hands on it. you will please not lose your prescriptions because i'm not going to replace them. you are responsible for this powerful medication i'm giving you. >> but it's not easy. some say the controls are too tight. and patients might suffer. patients like ian simmons. >> i spent nine months in hospital and then 12 months in a rehab center where i was basically rebuilt. but nothing was done to treat my pain. >> ian broke his back. shattered his ankles. and injured his head when he fried to stop a robbery in central london more than 20 years ago. >> when i came round, the pain, i had never experienced such pain as that. don't know what to do with it. >> simmons noufounded the group action on pain to hel