Whenever your mouth makes less saliva as compared to the usual amount, it not only affects your thirst but also affects the skin in and surrounding your mouth dry. Not only this, your lips can develop cracks and the corners of your mouth might be affected by sores. The tongue becomes rough and dry and you can experience a problem in swallowing your food. When your mouth gets dry, the saliva does not flush out the food particles from your mouth and you may end up in having a bad breath. What are the Causes of a Dry Mouth? There are a lot of reasons that can lead to a dry mouth. Let’s have a look at some of them- Sjögren's Syndrome If your mouth often gets dry, even after you drink a good amount of water, then there are chances that you are suffering from the Sjögren's syndrome. It’s a disorder in which the white blood cells attack the tear and salivary glands of the body. Also, those who suffer from HIV or diabetes may also have a dry mouth. Make sure th...