Pregabalin - also known by the brand name Lyrica, or the street name bud - is an anti-epileptic drug also used to relieve chronic pain.
Northern Ireland has the highest prescription rate for pregabalin in the UK.
It is illegal to have class C drugs without a prescription and illegal to supply or sell them to others.
Prescription drug abuse 'wrecking lives'
Life on Lyrica: A user's perspective
There will also be stronger controls in place to ensure accountability and minimise the chances of pregabalin falling into the wrong hands or being stockpiled by patients.
Deaths relating to the prescription drug are on the rise.
In 2016 eight drug deaths were linked to Lyrica misuse - one year later that figure rose to 33.
Source: Kelly Bonner, BBC News, 1st April 2019