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.
Among the causes of taste problems are: 1  Upper respiratory and middle ear infections. 2  Radiation therapy for cancers of the head and neck. 3  Exposure to certain chemicals, such as insecticides and some medications, including some common antibiotics and antihistamines.  Head injury.