We took my sons leopard Gecko in to the Vets today because he has not been eating. I also took a sample of Zilla's poop with us just to get it checked, well it turns out Zilla is the sick one not the Leo. He had Entamoeba show up on his gram stains, we have meds to treat it, now we just have to hope they take care of the problem. He gets the meds once every 14 days for 3 treatments and a week after that we'll take another sample in to be tested. I'm really glad I took it.