Some diseases affect the salivary glands. Sjgren's syndrome and diabetes can cause dry mouth. Injury to the head or neck can damage the nerves that tell salivary glands to make saliva.
What causes Dry Mouth ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What causes Dry Mouth ? [/INST] \n Some diseases affect the salivary glands. Sjgren's syndrome and diabetes can cause dry mouth. Injury to the head or neck can damage the nerves that tell salivary glands to make saliva.</s>