"During most sporting events people will get up and use the restroom during the commercials and not have any problem," said Dr. Jeff Kalina, associate medical director of emergency medicine at Methodist. "However, most of the time the commercials are the best part of the Super Bowl, so we have seen people who have to come in and have a catheter put in to relieve themselves."
Super Bowl TV ads: Annoying and dangerous.
Methodist says "people who drink too much and fail to get up and go to the bathroom can also develop a problem called urinary retention, a condition where the bladder gets so full that the muscles are not strong enough to generate a stream."
Link -via The Big Game