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.
Common causes of a bitter taste in the mouth include vomiting and acid reflux, although these conditions do not generally cause a permanent bitter taste. Pregnancy or taking certain medications, such as antibiotics, may result in a temporary bitter taste in the mouth as well. Your sense of taste can also be impaired or distorted permanently from long-term smoking or injuries to the mouth, nose or head. Health Stories: Read how this real patient found the right care.
Having such a taste in your mouth can also be caused by medication or by a physical condition which triggers an upset in your body chemistry. Bleeding gums is the most common cause of a metal taste. common cause is from bleeding, because the pigment in red blood cells contains iron. If you bite your tongue by accident, suffer trauma to the mouth, or have gum disease which can cause spontaneous bleeding from inflamed gums, then you will likely have a metal taste for a while, or notice it now and again.