hi I came home today and I heard my rabbit sneeze like 5 times in a row and that freaked me out because i have never heard him sneeze and I know that when rabbits sneeze it’s bad , all I did was give him new hay and add napkins to his litter box Bc I can’t change it today and I wanted to cover the pee and poop and he escaped his cage today and was free roaming and i checked his nose and it’s not runny and he is still eating and drinking , and pooping and peeing what could have caused the sneeze