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What causes dry mouth? 24 possible conditions

Dry mouth is also known as xerostomia. It’s a condition that happens when salivary glands in your mouth don’t produce enough saliva. It causes a parched, or dry, feeling in your mouth. It can also cause other symptoms, such as rough tongue, mouth sores, and... Read more

See a list of possible causes in order from the most common to the least.

1

Dehydration

This condition is considered a medical emergency. Urgent care may be required.

Dehydration takes place when your body loses more fluid than you drink. The most common cause of water loss from the body is excessive sweating.

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2

Hyperventilation

Hyperventilation happens when you suddenly start breathing very quickly. Exhaling more than you inhale causes low carbon dioxide levels.

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3

Anxiety

Learn more about anxiety with this overview of anxiety disorders.

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4

Diabetes Overview

Diabetes is a group of chronic metabolic diseases caused by defects in insulin production or function. Advanced diabetes may cause stomach pain, nausea, dizziness, and cramps.

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5

Anemia

Anemia happens when the number of healthy red blood cells in your body is too low. Red blood cells carry oxygen to all of the body's tissues.

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6

Acute Stress Disorder

Acute stress disorder (ASD) may develop after a traumatic event, and it can last up to one month. Learn about the symptoms of ASD.

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7

Cholera

Cholera is a serious bacterial disease that can cause severe diarrhea and dehydration. Find out if you're at risk.

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8

Alcoholic Liver Disease

Damage to the liver from excessive drinking can lead to ALD. Years of alcohol abuse cause the liver to become inflamed and swollen. This damage can also cause scarring known as cirrhosis. Cirrhosis is the final stage o...

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9

Marijuana Dependence

Marijuana is the most commonly used illicit drug in the United States. Uncontrollable or overly frequent marijuana consumption may indicate abuse or addiction.

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10

Salivary Gland Infections

A salivary gland infection occurs when a bacterial or viral infection affects your salivary gland or duct. The condition is called sialadenitis.

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11

Sarcoidosis

Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.

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12

Sjogren's Syndrome

Sjögren's syndrome is an autoimmune disorder that primarily affects salivary and lacrimal glands. Read about signs and symptoms.

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13

Enlarged Adenoids

Adenoids are small tissues located at the back of the throat. They are similar to the tonsils, and located right above them. Both adenoids and tonsils are part of the immune system. Adenoids are present at birth, an...

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14

Type 2 Diabetes Overview

The things you've wanted to know about type 2 diabetes are all in one place. Learn more about the symptoms, foods to avoid, and lifestyle management.

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15

Type 1 Diabetes

Type 1 diabetes is a chronic disease that result high levels of glucose in the blood due to a lack of insulin production. Glucose is a natural sugar that your body uses as a source of energy.

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16

Lichen Planus

Lichen planus is a common skin rash that is not contagious. Common symptoms may include lesions in the mouth, which may cause a burning sensation.

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17

Systemic Lupus Erythematosus

Systemic lupus erythematosus, the most common form of lupus, is a chronic autoimmune disease that can cause severe fatigue and joint pain. Learn more about it.

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18

Alcoholic Liver Cirrhosis

If you drink heavily for a long time, your body starts to replace the liver's healthy tissue with scar tissue. This is called alcoholic liver cirrhosis.

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19

Lupus

Lupus is an autoimmune disease. Learn about the symptoms, causes, and treatment options.

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20

Rheumatoid Arthritis Overview

Rheumatoid arthritis is an autoimmune disease. It causes joint problems. In autoimmune diseases, the immune system mistakes the body's own cells for invaders.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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