My second cystoscopy was no big deal at all.
The first time, however, I failed to realize that the bladder is filled with a saline solution during the procedure. This procedure took place prior to my Davinci surgery, and at that time I was having issues with urinary urgency and frequency.
On the 20-mile drive home, I was at the wheel when I suddenly developed an absolutely irresistible urge to pee. It immediately became clear that I was going to have to pee on the side of the road or flood the driver's seat, so I chose option (a). I obviously hadn't emptied all the saline solution, and it created a real problem for me.
The second cysto took place after my DaVinci procedure, and there was no problem.
So, I would just suggest your hubby be sure he has emptied his bladder completely before leaving the facility after the cysto, especially if he's currently having problems with urinary urgency or retention. Other than that, driving home shouldn't be a really big deal, unless he's been given some sort of sedative, which I never was. If sedation is involved, a designated driver is obviously a necessity.