Ya you will , it won't be anything crazy . I remember my first withdrawals I didn't even know what was happening I thought I was sick like a flu cause I was so dumb I didn't know what withdrawals were . But during the first few withdrawals after 2-4 week binges I could quit and by day 2.5-3 I would already feel 80% and could run go outside , I didn't feel 100% but it wasn't like now where I'm puking I can't move my legs are aching twitching ...
one thing that you'll definitely get it lack of sleep no matter what, and if you do fall asleep starting day 3 you'll wake up at 4-5 am and be wide awake (I wish my withdrawals were like they used to be) take it as a lesson and warning and just stop now and figure out what's driving you to do oxy and opiates , otherwise you'll be posting here in a few months In a hopeless state physically very ill wishing you could go back to day 20 .
Get some benzos and weed , I can't tell you how much weed helped me my first few times kicking . What happens over time is called kindling effect where withdrawals get worse mentally and physically , you stop having the will to kick after you've kicked 3+ times it's hard to find the will to do it again especially when it's worse the next time around ... anyways good luck