Much more information needed. There is no same dose for everyone, everyones body is different. Have you tried opiates before? If so what and how much did u use? If these are in fact oxycotin and not oxycodone(with APAP) and its your first time id suggest taking 5mg orally and seeing how u feel. If its your first time deffinatly take it orally. Start off small and work your way up cause if you do too much there is no going back... Have fun and be safe!
I blew 15 mg my first time and it was pretty intense. I would start with 5mg or not do it at all because the shit is addicting as hell lol .