Unfortunately, the smell from a dead animal can take weeks and sometimes months to disappear. The problem with dead animals in a wall or somewhere in your house is that the dead tissue breaks down and the decaying tissue produces liquids that can seep into the wood in your walls and floor.
The following drugs, medications, substances or toxins may possibly cause Bitter tastes as a side effect. [ See detailed list of 23 drug side effect causes of Bitter tastes 1  ]. Sinemet. 2  Sinemet CR. 3  Lodosyn.
Diabetic neuropathy can also cause this problem of experiencing sweet sensation in the mouth. Treatment : You need to consult your doctor if you start sensing constant sweet taste in your mouth. He would find out the underlying cause for this problem which is only a symptom of some other disease.