It's not uncommon for them to have one thats off once in a while, just keep an eye on things, if you start seeing actual diarrhea then i would recommend getting a fecal done
Mirage came out of brumation on April 26. He was doing great. On May 2 he started acting funny. We just redid his tank, and he keeps going into one of his hides. He just lays there. He shows no intrest in food. HELP!