Sorry, but that smell is not just going to dissipate!! I've had this same problem for over a year...it appears that an animal..probably mice, get inside the wall behind my coat closet during our house construction and died...the smell is very strong when it's damp and rainy outside..nothing I've tried helps so far, just hot, dry days. The only solution I see is to find the carcass which, means ripping out the sheetrock, etc. Not looking forward to that. If anyone has another suggestion, I would certainly welcome it. ... View related article.