The `Lose Yourself` rapper went to rehab for treatment for a dependency on medication and considered suicide at his lowest point and Eminem, 40, admitted his drug dependency almost killed him. Speaking in new documentary, `How To Make Money Selling Drugs`, he said: "When I took my first Vicodin, it was like this feeling of `Ahh.` Like everything was not only mellow, but [I] didn`t feel any pain. "I don`t know at what point exactly it started to be a problem. I just remember liking it more and more. People tried to tell me that I had a problem. I would say `Get that f**king person outta here. I can`t believe they said that s**t to me. I`m not out there shooting heroin. I`m not f**king out there putting coke up my nose. I`m not smoking crack." "Xanax, Valium, tomato, tomatoe, it`s same thing ... F**k it, take it." Speaking about one incident where he was rushed to the emergency room, Eminem - whose real name is Marshall Mathers - said: "Had I got to the hospital about two hours later, I would have died. My organs were shutting down. My liver, kidneys, everything. "They were gonna have to put me on dialysis. They didn`t think I was gonna make it. My bottom was gonna be death." While the rapper is now clean, he admitted detoxing was a huge struggle. He said: "Coming off everything, I was literally was up 24 hours a day for three weeks straight," he says. "And I mean, not sleeping, not even nodding off for a f**king minute. "I had to regain motor skills, I had to regain talking skills. It`s been a learning process, I`m growing. I couldn`t believe that anybody could be naturally happy without being on something. So I would say to anybody `It does get better.` "