There are many reasons for dry mouth, including bad habits, some prescription drugs and even existing diseases such as:
Sjogren's syndrome is an autoimmune disease in which immune cells attack and destroy saliva-producing salivary glands.
One of the signs of iron deficiency anemia is dry mouth.
One of the signs of cystic fibrosis is also dry mouth.
Some patients with rheumatoid arthritis develop Sjogren's syndrome, causing dry mouth and dry eyes.
One of the side effects of HIV (AIDS) is dry mouth.
Alzheimer's disease causes frequent dehydration, so dry mouth is a problem in patients with Alzheimer's disease, especially at a later stage.
Dry mouth may be undiscovered or symptoms of severe diabetes.
One of the side effects of high blood pressure medications is dry mouth.
Some Parkinson's drugs can also cause dry mouth.
Cancer treatment, including chemotherapy and radiotherapy, can also cause dry mouth.
People suffering from stroke are most likely to suffer from xerostomia.
One of the symptoms of mumps is dry mouth.
