When eating or drinking something bitter, it's just normal to have a bitter sense in your mouth. However, a bitter tast in mouth that's chronic, regardless of what you're consuming , is unusual and can be an indication of various health conditions. A team of specialists from a dental clinic near Kareela, NSW, admit that there are quite a number of causes of the bad taste in mouth, which can get in the way of your daily life and alter your nutritional diet.