I have used Heroin And I'm taking Saboxen so I know this. If you use H one day, don't take Saboxen. You will be fine to take it the next day. Unless you get really sick-withdrawal feeling the day you do the H, the take a little
I tried this with trial & error, but I was taking opiates by mouth. It took 5 full days for me to finally feel any effects from my pills. Shitty, huh!?!?!