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What causes excessive thirst? 25 possible conditions

It’s normal to feel thirsty after eating spicy foods or performing strenuous exercise, especially when it’s hot. But sometimes your thirst is stronger than usual and continues after you drink. You may even experience blurred vision and fatigue. These are... Read more

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

1

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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2

Heat Emergencies

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

Heat emergencies are health crises caused by exposure to hot weather and sun. Heat emergencies have three stages: heat cramps, heat exhaustion, and heatstroke.

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3

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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4

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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5

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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6

Low Blood Potassium

Low potassium levels in your blood can cause weakness, fatigue, and abnormal heart rhythms. Find out how to treat hypokalemia.

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7

Hypercalcemia

Hypercalcemia is a condition in which you have too much calcium in your blood.

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8

Diabetes Insipidus

Diabetes insipidus (DI) is a rare condition that occurs when your kidneys are not able to conserve water. It results in extreme thirst for water and frequent urination. There are several types of DI, and they can ofte...

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9

Kidney Failure

Your body becomes overloaded with toxins if your kidneys can't do their regular job. This can lead to kidney failure and even be life-threatening.

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10

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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11

Cushing Syndrome

Cushing's syndrome occurs due to abnormally high levels of cortisol. The most common cause of it is overuse of corticosteroids. Learn more about this condition.

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12

Hyperparathyroidism

Hyperparathyroidism is a condition where the parathyroid glands produce too much parathyroid hormone (PTH).

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13

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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14

Snake Bites

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

A bite from a venomous snake should always be treated as a medical emergency. Even a bite from a harmless snake can lead to an allergic reaction or infection.

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15

Peritonitis

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

Peritonitis is the inflammation of a thin layer of tissue inside the abdomen. Caused by bacteria or fungus, it causes tenderness, bloating, fatigue, greying of the skin, and other problems.

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16

Sickle Cell Anemia

Red blood cells are normally shaped like discs, which allows them to travel through blood vessels. Sickle cell disease causes sickle cells to be sickle-shaped.

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17

Chronic Kidney Disease

Chronic kidney disease (CKD) is the progressive and irreversible destruction of the kidneys. The most common causes of CKD are high blood pressure and diabetes.

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18

Gestational Diabetes

During pregnancy, you might develop high levels of blood sugar. Learn how this condition, known as gestational diabetes mellitus, is diagnosed and treated.

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19

Bleeding Esophageal Varices

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

Find information on bleeding esophageal varices symptoms, causes, risk factors, treatment, and prevention.

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20

Dissection of the Aorta

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

The aorta is a large artery that carries blood out of your heart. If you experience a dissection of the aorta, it means that blood has entered the wall of the artery, between the inner and middle layers. This can happe...

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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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