The former Faces bandmates were both previously cocaine users, but when Ronnie burned a hole through his nasal septum from taking the illegal substance, the pair decided to take the drug in a more unconventional way.
He told 'Access Hollywood': ''As far as the drugs are concerned, I was never an addict. I was never, you know, in rehab. It never affected my family or my relationships or anything. I was just a social user.
''(But what happened to Ronnie) scared him, so then we found another method of taking the drug. We put them in a little pill like the French do them, [a] suppository. We did that for a little while.''
While he wasn't addicted to cocaine, Rod recently confessed he became reliant on steroids after he started to lose his voice.
He said: ''As the 80s wore into the 90s, I faced an increasing struggle with my voice ... More and more shows had to be wiped out. It got to the point where I was virtually uninsurable ... I'd walk around feeling as though I'd been gargling barbed wire ... I started taking steroids. Prednisone tablets, to be precise, and soon I was well on my way to developing an addiction. By March 1991, I'd graduated to a cocktail of drugs in a syringe which I'd inject before a show, normally into my hand.''