What is a severe dry mouth disease?

Severe dry mouth and bitter mouth may be caused by Sjogren's syndrome, diabetes insipidus, diabetes mellitus, etc.

1. Sjogren's syndrome

patients due to genetic factors, immune dysfunction and other reasons, due to reduced salivary gland secretion, can cause severe dry mouth symptoms, prolonged dry mouth is easy to cause bitter mouth.

2

. Diabetes insipidus

If diabetes occurs due to genetic factors, bad eating habits and other reasons, the blood sugar level continues to rise, which can cause polyuria through osmotic diuresis, resulting in dry mouth and bitter mouth.