Dry mouth

Xerostomia is abnormal dryness of the mouth.

There could be several reasons for this condition, and many of these are listed under Xerostomia (or dry mouth).

Xerostomia is dry mouth. Salivary gland disorders are the most obvious cause, but Sjogren's syndrome, a connective tissue disease, has dry mouth as one of its chief symptoms.

Yes they do! Diuretics are an antihypertensive drug and they cause xerostomia, diuretics increase urine output not increase saliva production.