someone should have told you this by now but all you need to do is get a self use catheter and carry it with you with some sexual lubricant
lubricate the bottom half and push it in, you know where, it will push up thru the offending bladder muscle and you can empty your bladder, you can even do it standing up like a man !
you may need to get a nurse to show you how at first
a bladder infection is eventually likely so having some antibiotics on hand will help
the bedwetting dose of imipramine could be tried as this sometimes calms the bladder this dose is quite small
recovered former longtime anxiety and panic attack sufferer and helper of other sufferers but no training or qualifications in medicine or psychology, any remarks that may be taken as advice must be confirmed with doctor or other health professional