the 350 mgs refers to acetaminophen. There are no pills with 350mgs of oxy cuz that would kill you. Be careful about him saying "take two at max" because he may have a tolerance, and everyone is different. You need to find out how many milligrams of oxycodone are in it. Which, as I said before, you can do by going to rxlist.com and doing a search on the pill's imprint. Then look to erowid for doseages. I say since you've never done it before to not exceed 20mgs of oxycodone. You can take more a couple hours later if you feel comfortable doing so.