6 unexpected reasons why you are constantly thirsty

Excessive thirst can be your body’s way of suggesting an underlying health problem.

When you feel the need to drink water, the reason is usually clear: You have not drunk enough of it. If you exercise a lot or spend a lot of time sweating in the sun, you need to replenish the fluids you lose through sweat. Otherwise, you may experience a number of unpleasant symptoms associated with dehydration, such as fatigue and muscle cramps.

To correct this problem, most people should just try to drink plenty of fluids – but what if your need for water becomes completely unsaturated?

Any condition that changes the balance of water or sodium in the body can cause thirst. However, if you are hydrated but still feel dehydrated, you may want to contact your doctor to rule out the following insidious causes of excessive thirst.

Unexpected reasons why you are thirsty all the time


Both type 1 diabetes and type 2 diabetes can increase the risk of dehydration. When blood sugar levels are too high, your body pushes the kidneys to produce more urine in order to get rid of excess glucose. Frequent urination, another common symptom, will cause thirst. And this leads to the consumption of more fluids, which exacerbates the problem.

If you experience excessive thirst and urination, as well as other symptoms such as unexplained weight loss, fatigue, or irritability, your doctor may do a blood glucose test to see if you have diabetes.

Dry mouth

Dry mouth is often confused with excessive thirst. It is an abnormal dryness of the mucous membranes in the mouth, due to reduced flow or change in the composition of saliva. If your glands do not produce enough saliva, this can lead to other annoying symptoms such as bad breath, difficulty chewing and thick saliva. Common causes of dry mouth include smoking, stress, anxiety or just aging.

However, dry mouth can also be a side effect of many prescription medications (including antidepressants and blood pressure medications) and dizziness medications.

There are also several diseases that can cause dry mouth, so it is best to talk to your doctor.

Thyroid problems

Your thyroid – the butterfly-shaped gland at the bottom of your neck – is responsible for pumping thyroid hormone, which helps regulate appetite, energy, internal temperature and other vital bodily functions.

In fact, it is estimated that 20 million Americans suffer from some form of thyroid disease. When the gland produces too much or too little hormone, it can cause a variety of symptoms, such as unusually heavy periods, anxiety, dry mouth, which can lead to increased thirst.

In addition, people who specifically suffer from hypothyroidism are more likely to suffer from other health conditions that cause thirst, such as type 1 diabetes and B12 deficiency anemia.

Chronic stress

Chronic stress causes the adrenal glands to malfunction, which can lead to low blood pressure when it is intense. This can cause dizziness, depression, anxiety and also excessive thirst.

Thirst is the way your body adds more water to the blood, in an effort to raise your blood pressure. The only long-term solution to this is to reduce and better manage your stress levels.

Low carb diets

The feeling of thirst is a common side effect of protein diets, as these diet programs require you to significantly reduce your carbohydrate intake. Carbohydrates absorb and retain more water than protein and fat. So if you follow a low carb diet you will urinate more often, causing an increase in thirst levels.


There are many signs of pregnancy to look out for, including excessive thirst. Your blood volume increases during the first trimester, which causes your kidneys to make up excess fluid that flows into your bladder, which means that Your visits to the toilet may become more frequent. In addition, the nausea that accompanies pregnancy can lead to the need for hydration.

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