That depends on your doctors comfort levels in prescribing , a patients ability to tolerate side effects, other medical conditions, effectiveness of using opiates, but typically- most physicians will not prescribe over 90 to 100 MME mg dosing per day-(Morphine equivalent dosing per day)- and typically only for patients who have been on opiates for some time. MME dosing combines both long acting and immediate release types of opiates to reach 90-100mg MME daily.
They ALSO consider risk of abuse/misuse, following dose instructions exactly, risks of respiratory or cardiac suppression, activity levels, and patient tolerance in considering dosing.