Diabetes is a common cause of dry mouth and frequent urination, as well as diuretics like caffeine and alcohol. Low insulin levels in diabetes cause frequent urination, leading to dry mouth. Medications for overactive bladder can also cause dry mouth. Removing diuretics from the diet or using over-the-counter medications can help relieve symptoms.
One of the most common causes of dry mouth and frequent urination is diabetes. Diuretics, such as caffeine and alcohol, which dehydrate the body and flush fluids from the system, are another frequent cause. Frequent urination can also indirectly be a cause of dry mouth, as many medications prescribed for overactive bladder cause dry mouth.
Type 1 and type 2 diabetes cause both of these symptoms. In fact, these symptoms are often the first and most obvious signs of diabetes. Frequent urination is the result of low insulin levels being unable to break down blood glucose properly. Normally, insulin levels break down glucose and convert it into energy. When levels are too low to perform this task sufficiently, the bloodstream is flooded with glucose, which forces more water and fluid into the bloodstream. As a result, more fluids are discharged through the kidneys, causing diabetics to urinate more frequently. Another side effect of this process is thirst and dry mouth. People who experience these symptoms chronically should see a doctor.
Diuretics cause the body to remove water and fluids from the system through urination. This naturally leads to dry mouth and frequent urination. People experiencing these symptoms who don’t have diabetes should consider caffeine and alcohol intake, as both are diuretics that dehydrate the body. There are also diuretics in the food realm, such as cranberries, which can increase urination and cause dry mouth. Even water pills, which are often taken to lose weight, cause the body to excrete water. Relieving symptoms can be as simple as removing diuretics from your diet.
Interestingly, medications that treat overactive bladder — bladders that send signals to the brain that they require urination even when the bladder isn’t full — cause dry mouth in many individuals. In this case, dry mouth and frequent urination do not occur simultaneously. Instead, dry mouth is a side effect of efforts to treat frequent urination. Fortunately, dry mouth caused by medications can be relieved. Surprisingly, drinking more water won’t necessarily fix the problem, but there are over-the-counter medications that can help. Chewing sugarless gum can be another very effective way to increase the flow of saliva in your mouth. Sugar-free candies can help as well.
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