Consult dentist and fallow bellow advices
In addition to the advice from your doctor or dentist, these tips may help relieve your dry mouth symptoms:
Sip water or sugar-free drinks or suck ice chips throughout the day to moisten your mouth, and drink water during meals to aid chewing and swallowing.
Chew sugar-free gum or suck on sugar-free hard candies. However, in some people, xylitol, which is often found in sugar-free gum or sugar-free candies, may cause diarrhea or cramps if consumed in large amounts.
Try over-the-counter saliva substitutes
Breathe through your nose, not your mouth. You may need to seek treatment for snoring that causes you to breathe through your mouth during the night.
Add moisture to the air at night with a room humidifier.
Moisturize your lips to soothe dry or cracked areas.
Avoid products that can make your symptoms worse. These include:
Caffeine and alcohol. These products can cause dryness and irritation. Don't use a mouthwash that contains alcohol.
Over-the-counter antihistamines and decongestants. These can worsen your dry mouth.
Sugary or acidic foods and candies. They increase the risk of tooth decay. Also avoid spicy or salty food because they can cause irritation.
Saliva is important to maintain the health of your teeth and mouth. Taking these steps to protect your teeth may also help your dry mouth condition:
Brush with a fluoride toothpaste and floss your teeth. Ask your dentist if you might benefit from prescription fluoride toothpaste, toothpaste containing betaine, or a tooth gel to neutralize bacteria acids.
Use a fluoride rinse or brush-on fluoride gel before bedtime.
See your dentist at least twice yearly to have your teeth examined and plaque removed, to help prevent tooth decay.