I Had Oral Surgery 2 Weeks Ago, I Was Recovering

I had oral surgery 2 weeks ago, I was recovering fine until I started my pain med (Hydrocone) 2 days after. I went into agonal breathing & passed out, I was taken off the Hyrocone and told to take Ibuprofen for the pain. Since that time (a little over 1 week) I have had difficultly when bending getting dizzy, can not walk short distances with out labored breathing, and have a swollen left leg. I am an asthmatic & had been off my inhalers for about a week while this was going on, I started my inhalers treatments once again a week ago. I have been to a doctor but only check vitals and for fluid in the lungs there was none. I have been told this could be anything from high blood pressure to heart failure.