These two painkillers are to be reclassified as class C controlled substances amid concerns people are becoming addicted to them and misusing them, according to BBC News:
bbc.co.uk/news/health-45810868
It means it will now be illegal to posses the drugs without a prescription and it will be illegal to supply or sell them to others, and that doctors will now need to physically sign prescriptions, rather than electronic copies being accepted by pharmacists.