8 Tips to Relieve Your Dry Mouth. The good news is that many of the causes of dry mouth can be easily fixed. See a GP if these don't work or you also have other symptoms. The exact reasons are unknown, but high blood sugar levels could cause dry mouth in people with diabetes. Insulin, a hormone made by the pancreas, then converts the glucose into energy. Only a doctor can determine if dry mouth is a consequence of hyperglycemia or some other cause. Chronic dry mouth is easy to dismiss as no big deal, but it can easily lead to an infection and gum disease if left untreated. Dry mouth and bad breath are often caused by a reduced saliva flow. The roof of your mouth may become sore after eating -- especially meals consumed later in the day -- if you suffer from burning mouth syndrome. Anyone can get dry mouth, but it’s a common symptom of type 1 and type 2 diabetes. The main causes of a dry mouth are: dehydration – for example, from not drinking enough, sweating a lot or being ill If you’ve ever experienced dry mouth — even for a short while — you know it can be very uncomfortable. To minimize your dry mouth condition: Drink water frequently to keep your mouth moist and loosen mucus. A dry mouth is rarely a sign of anything serious. There are things you can do to help ease it yourself. Symptoms of dry mouth can include difficulty swallowing food (especially dry food) without a drink, a change in the sense of taste, a burning sensation or pain in the mouth, difficulty talking or eating certain foods, or some combination of these. For example, if medication is suspected as the cause of your dry mouth, your doctor may reduce your dose or suggest trying an alternative medication. The main causes of a dry mouth are: dehydration – for example, from not drinking enough, sweating a lot or being ill Kind of important stuff. It affects your overall health. Causes of a dry mouth. Your mouth may also feel sore and become dry. WebMD looks at the causes and symptoms of dry mouth, plus ways to treat it. Since people with diabetes do not have usual responses to glucose, they may suffer a drop in blood sugar, known as hypoglycemia. This sensitivity might be a food allergy or a physical reaction to increased blood sugar levels. There are things you can do to help ease it yourself. But if your symptoms of a dry mouth are persistent, it’s likely a sign that your blood sugars are running too high on a regular basis. Carry water with you to sip throughout the day and keep water by your bed at night. Dry mouth is more than just feeling thirsty. The most probable cause for your sweet cravings and dry mouth is likely due to a switch to a lower-carb or low-sugar diet. Chewing sugar-free gum after eating can quickly lower the amount of acid that attacks the teeth. Causes of a dry mouth. Treating a dry mouth Treating the underlying cause. Can chewing sugar-free gum help with dry mouth and bad breath? Suck on sugar-free hard candies, ice chips, or sugar-free popsicles. Some medications used to treat diabetes can also cause dry mouth. The term sugar sensitivity is a catch-all phrase for a number of medical situations. Does this happen to anyone else when they eat ... full glass of water and the full glass of OJ, I have yet to touch the second glass of OJ, and my thirst is gone.