Macgyver has Issues

Well, the truck is not the only thing of ours with troubles...poor little Macgyver (our cat) probably has a bladder infection :(
I woke up Saturday morning to him squatting on my jeans on the floor, looking like he was trying to lay an egg! Turns out, he just needed to pee but was having trouble. So, all weekend we followed him around the house, locked him out of all the rooms, and picked up anything that was on the floor. He hasn't peed on anything, but he's constantly in and out of his litter box.
I am bringing him to the vet today at 4:30, so hopefully they can fix him up with some antibiotics and he'll be good as new!