Hello and welcome to XXXXXXX
Dryness of mouth occurs due to less intake of water.
Oral ulceration can occur due to dryness of mouth.
If water intake is sufficient, the dryness can be due to some disease process.
Autoimmune disease- Sjogrens disease can lead to dryness of mouth.
You need to consult your physician for clinical examination, relevant investigations and hence treatment.

Thanks
Dr Shailja

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Brief Answer:
Stress has to be managed.

Detailed Answer:
Hello and welcome again,
Stress has to be managed.
For immediate management of stress, anti-anxiety drugs may be required.
For this you will have to consult a psychiatrist.
Stress may be associated with somatic features. Dryness of mouth may be one of the somatic features.
Long term stress requires some life style management.
Maintain good physical health by taking regular exercise and good diet.
Physical activity is a very effective stress buster.
Aerobic exercises relieve lot of stress.
A balanced diet- good breakfast and light dinner. Include lot of water and lot fiber in diet.
make a good social circle.
Engage your self in some hobby like music, gardening, etc.
Make a good bonding with your family.
All these factors will help you to develop good mental health.
Stress and other mental ailments will not trouble you if you follow the above mentioned activities.

If you have more queries, I will be glad to answer.
Dr Shailja P Wahal

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