Medical News Today: What to know about dry mouth at night

Some people may experience dry mouth at night. This may be due to natural variations in how much saliva the body makes, but certain medical conditions can also cause it.The medical term for dry mouth is “xerostomia.” Xerostomia can be an uncomfortable condition that can affect a person’s sense of taste and may increase their risk of developing dental cavities.This article outlines the various causes of dry mouth at night and their associated treatment options. It also provides a list of home remedies for dry mouth.Causes of dry mouth at nightThe following are some potential causes of dry mouth at night.Natural variation in saliva productionShare on PinterestAccording to an article in the journal Compendium, a person’s salivary glands typically produce less saliva at night. As a result, some people may notice that their mouths feel drier in the evening.Treatment:A doctor may prescribe special mouthwashes that can moisten the mouth and reduce sensations of dry mouth before bedtime.People should also consider keeping a glass of water by their bedside. If a person wakes up with a dry mouth, drinking some water will help moisten the mouth.DehydrationAccording to the Oral Cancer Foundation, an estimated 20% of older adults struggle with dry mouth. In older adults, this condition usually occurs as a result of dehydration or as a side effect of certain medications.Older adults who wear dentures may find that they no longer fit properly as a result of dry mouth. Without adequate saliva, dentures can rub against the gums, causing sore spots.Treatment:A person who experiences dry mouth should visit their doctor or dentist who will help determine the cause of the condition.If dry mouth is due to the medications a person is taking, the doctor or dentist may recommend changing the dosage or switching to a different drug.In some cases, people may receive medications to improve the function of the salivary glands.Medication side effectsThe U.S. Department of Health and Human Services state that more than 400 medicines can reduce the body’s ability to produce saliva. People who take their medications at nighttime may notice their dry mouth symptoms worsening at night.Some medications that can cause dry mouth include:blood pressure lowering drugs, or antihypertensivesantihistaminesantidepressantsdiureticssome medications used to control Parkinson’s diseasechemotherapyradiation therapyTreatment:A person should see their doctor if they suspect that their medication is causing dry mouth. However, people should not stop taking their medications unless they have their doctor’s approval to do so.A doctor may suggest lowering the dosage of the medication or taking the drug earlier in the day.