Considering that ERs are not available to purchase (no thanks to the clown in office)...
A: One Opana ER 40 WAS equal to that of one OxyContin 80mg. Today the max amount of Opana is 10mg and it is an IR tablet (can be crushed to increase the bioavailability) which is equal to that of a 40mg OxyContin.
So you would need about 2 and 1/3 30mg Oxycodones to get the same affect as one Opana 40mg ER (or roughly 1 & 3/4 for IR)
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