A dry throat is a common symptom, especially during cold winter months when the air is dry and upper respiratory infections are spreading. See a gp if these dont work or you also have other symptoms. Runny nose, cough, sore throat, and fever symptoms are often similar when one starts to feel sick. That makes it difficult to tell if the illness is a virus or a bacterial infection. Dry mouth, also known as xerostomia, occurs when salivary glands dont make sufficient saliva to prevent the drying of the mouth. Dry mouth can be a symptom or side-effect of other conditions and. Dry throat is a rough, scratchy, sometimes itchy feeling in the throat. The most common cause of dry throat is drying out of the mucus membranes, often as a result of exercise, sleeping with your mouth open, breathing through your mouth, living in a dry environment, or simply not drinking enough fluids. Still, even if your sore throat is accompanied by other symptomsfever, headache, dry coughthe only way to truly know if your sore throat is due to covid-19 is to get tested for the virus. Dasoften triggered by a tickle in the back of your throat, with a barking or hoarse sound. It happens every so often that even when drinking water and other fluids the throat still remains dry and the thirst is not quenched. Along with dryness of the throat the throat also feels itchy and scratchy. Anyone can get dry mouth, but its a common symptom of type 1 and type 2 diabetes.