Long-time ITV viewers will know that the Coronation Street regular has been suffering severe pain since Christmas.
Billy (played by Daniel Brocklebank) has been hiding a secret painkiller addiction after struggling to cope with injuries.
His pain stems back to the violent encounter he had with Peter Barlow (Chris Gascoyne) that saw him plummet off a cliff and come close to death.
Billy is also struggling to adapt to life since his boyfriend Todd Grimshaw (Bruno Langley) abandoned him and made him the single foster parent to daughter Summer Spellman (Matilda Freeman).
The vicar has been unaware that vengeful Adam Barlow (Sam Robertson) has been sneakily substituting his pills for placebos.
It forms part of his revenge plot for Billy’s involvement in the death of his mum Susan Barlow (Joanna Foster) in a car crash 17 years ago.
Now that the painkillers are not working, Billy has turned to a darker place and gone one step further and purchased Class A drugs from his dealer brother Lee Mayhew (Richard Crehan).
While viewers did not see how Billy took the drugs, the scenes were broadcast before the 9pm watershed.
An Ofcom spokesperson confirmed they had received 82 complaints about the scenes so far.
Ofcom said: “We are assessing these complaints under our broadcasting rules, before deciding whether or not to investigate.”
Viewers instantly took to social media, shocked at what they had witnessed.
One viewer tweeted: “I was bit disturbed watching #Corrie last night and where Billy was taking Heroin in the church.”
“It really wasn’t appropriate to film this in place of worship. What kind of message does this sends out to the younger audience and worse before the 9pm watershed. @itvcorrie,” posted another.
A third wrote: “Been a Corrie @itvcorrie fan since being a small boy in #Leeds. Current plot line with Billy is not credible.
“Any normal friend or neighbour would have called 999 the way Billy presented himself in the opening footage. Please move it on. Now bored!”
Another added: “Very sad, its good your highlighting addictions as its very prevalent in today’s society.
“Drug addicts are all to common on our streets and if you’re in severe pain its all to easy to fall into the wrong drugs if Doctors wont help you. #Corrie.”