Almost each of us gets overtired occasionally. Such cases of temporary exhaustion can be a normal reaction to physical and mental activity.

Weariness may also be tied to insufficient sleep, lack of physical activity, jet lag, a bad diet or adverse effects of medications.

Still, continual exhaustion or fatigue is more serious condition. It is quite different than drowsiness, though both of these problems can happen simultaneously.

When a person suffers from fatigue, he or she experiences unexplained, continual and repetitive exhaustion which does not resolve with a simple rest.

If you are dealing with constant energy deficiency and continuing fatigue, it could be the result of some latent health issue.

We present you the top 3 medical conditions that may be the reason why you are feeling tired and exhausted all the time.

1. Chronic Fatigue Syndrome

One of the main factors that cause fatigue is a condition called chronic fatigue syndrome. It involves serious and disabling fatigue and exhaustion that lasts for months.

If you are dealing with such an issue, you may be facing extreme exhaustion after ordinary physical or mental activities, which can last for more than a day after those activities. Resting does not even solve it.

Besides fatigue, other symptoms are headaches, muscle or joint pain, and sore throat.

The exact cause of this problem has not been discovered yet. Still, scientists believe that viruses, hypotension, weakened immunity, and hormonal imbalances contribute to this condition.

Self-care actions together with certain treatment options may help patients with chronic fatigue syndrome.

During a 2015 study from the United Kingdom, four potential treatments for this issue were examined. The team found cognitive graded exercise therapy and behavioral therapy to be the most effective options.

2. Anemia

Fatigue is a common sign for all types of anemia. Anemia is an illness characterized by reduced levels of hemoglobin, the chemical in the bloodstream which carries oxygen.

Oxygen deficiency in your body will lead to consistent fatigue and weariness. A study from 2002 displayed a close link between anemia and fatigue.

Fatigue together with dizziness, shortness of breath, chest pain, headaches, cold hands and feet, and pale skin, are the signs of anemia.

It is good to check your blood in order to find out if you have anemia. The proper diagnosis of anemia, as well as its treatment, is very important for your overall health.

3. Underactive Thyroid

Fatigue is a debilitating symptom for thyroid patients, especially those who have an underactive thyroid.

This gland aids the regulation of the metabolism, which represents the rate at which the human body uses its energy supplies. When the thyroid does not produce enough of its hormones, the result is constant exhaustion, weariness, and insufficient energy.

A 2012 study found that patients with autoimmune hypothyroidism had considerably higher levels of fatigue than people suffering from differentiated thyroid carcinoma.

Besides fatigue, other signs of an underactive thyroid are sudden weight gain, dry skin, hair loss, muscle soreness, and increased sensitivity to cold.

If you are having these symptoms, you should consult your physician. A blood test analysis will easily reveal if a person has an underactive thyroid.

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