Effects - Can you feel the difference between Suboxone and Subutex?

[Swing]

For THE longest time SWIM has been trying to switch from Suboxone to Subutex. He's tired of the nasty orange taste that makes him want to puke, the constipation, the nausea and loads of other unpleasantries he thinks the nalaxone gives him. Every doctor he's seen would never switch him to subutex including his current doctor that says even if he wanted to he couldn't prescribe it because they can only give subutex to people that are in inpatient treatment which swim knows is bullshit. After tons of calling swim finally has an appointment to get subutex from a doctor. Now when swim was in detox he received pure buprenorphine IM injections which seemed pretty pleasant but only in small doses. So swim was wondering if there was a difference in the medications that users of Suboxone and Subutex have actually felt... And what is all this hype about people IVing pure bupe in europe?? Is it actually any good if you have the pure buprenorphine as opposed to the bupe/nalaxone combo?