Well, after switching hides a few times, adding Cypress just on the spot where the hide is, and keeping a towel over the front, he finally went straight for his original hide today after another round of fog. He just has me worried because after one round of vet treatments and 7 days of home treatment, he hasn't seemed to improve. The only comfort I have is that he fine last week, but now I have to bring him back to the vet for more treatments. I might suggest the use of Tylan, since it has been mentioned several times on this site and seems like it has worked for others.