You may have bulging disc problems. You should have an MRI done as soon as possible. Try not to lift anything too heavy. Also, the more you walk funny (limping) the more pressure you are putting on the other leg and knee which will lead to additional problems. Hope this helps.
Truby
Try sitting on a pillow, you may have bruised your coccyx due to bad posture on a chair.. this happened to me last year.. and to the urinating.. I have no idea.. maybe too much coffee lol