Jenn,
You're not alone, Oxycotin kicked my butt too. I was in double pain having RSD in one wrist and just had surgery in the other one from breaking it so I was given a double dose (lol).
The wrist that I broke is now giving me trouble. I sure hope it doesn't get worse it's the only one I got left!
Because my balance is getting worse and my RSD spreading to my left leg I'm using a wheelchair to get around the house. Somewhere down the road I 'm getting a motorized wheelchair so I can do more when outside.
As far as parking goes, my wife does the driving, if there's a spot just as close as a handicap one I'll have my wife park in the regular one leaving the handicap one for someone who really needs it. I look at it as being considerate. Or maybe denial (lol).
One rule to remember is to never loose your sense of humor...

P.S.: Ginnie, get yourself a cane!