You need at least a cursory GU workup including a urinalysis.
Pelvic problems can masquerade as bladder problems at times.
Dear Dr. Whitfield, hope this post finds you in good health and spirits. Looks as though you've been extremely busy in the past month. Oh well, hate to add to your woes, but this questions been bugging me for the past few days. I posted a question to you in regards to this matter. Unfortunately, the problem hasn't gone away, and seems to be getting worse, especially the colour of urine, burning etc.