... 50 mg of fentanyl and 6 mgs of dilauded every 4 hrs. Pain got better. But now im back having lots of pain. Worked real hard in pt this week too. Got air bubbles under patch when i changed it.maybe that made it worse put on another new one a day later. When is it going to kick back in. Dont know why my pain got back worse? Still have alot of swelling. Someone help please!!! Doc appt mon 22 nd. Stiches coming out!