1. Thirst caused by lack of water:

When the weather is hot, doing heavy physical labor, blood loss, burns, vomiting, diarrhea, excessive sweating due to high temperature (heat stroke) From time to time, people will feel thirsty, which is caused by severe lack of water in the human body. In this situation, people often experience symptoms such as dry mouth, haggard face, sunken eye sockets, and dry skin that cannot be stretched. Some people may also suffer from thirst due to eating too much salt that day.

2. Thirst caused by diabetes:

One of the functions of hormones is to coordinate the metabolism of water and salt in the human body. Once the balance of this hormone is disrupted, it can cause constant thirst. Many diabetic patients have high blood sugar, which will cause their urine output to increase sharply. At this time, even if you drink a lot of water, you will still feel unbearably thirsty.

3. Thirst caused by brain injury:

Some people also experience thirst after brain injury or neurosurgery. Patients often die within a day or even an hour, which is very dangerous. At this time, diabetes insipidus worsened. Patients need to drink 10 liters or even 20 liters of water every day. This is because the patient's body lacks the so-called "urinary restriction hormone".

4. Thirst caused by excess hormones:

People with hyperthyroidism often feel thirsty, and excess hormones often lead to tooth loss, bone pain, Rapid fatigue, muscle weakness, rapid weight loss, and loss of calcium from bones can even stain urine white.

5. Thirst caused by kidney disease:

People with kidney disease often experience thirsty symptoms. This is because the kidneys have lost their ability to retain water and therefore require large amounts of water. There are many kinds of kidney diseases, among which pyelonephritis, glomerulonephritis, hydronephrosis, etc. can cause thirst. Patients may still feel thirsty despite reduced urination and swelling.

6. Thirst caused by improper use of medicine:

Families may feel like this. Sometimes after taking medicine, they will feel dry mouth. This is caused by improper use of medicine. Thirst, because improper use of some medications can cause an imbalance of water and electrolytes in the body. In addition, it is thirst caused by a special drug. For example, taking antihypertensive drugs can cause dry mouth. This is because some antihypertensive drugs reduce the secretion of oral glands.