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.
1 In some cases, liver failure causes this taste to occur. 2  Gastroesophogal reflux disease can cause the salty taste (even when no pain is present). 3  Some medicines can make everything taste odd. for example the drug enalapril, which is a drug used to prevent heart failure.