What is fatigue? What are the reasons behind feeling tired?

Time to read 3 min

There are several reasons why you may be feeling tired all the time. The medical reasons can range from deficiencies to stomach viruses, which is why it is important to review all parameters.


You should also know that when understanding what is fatigue, that why you get fatigue is critical. Your body may be immune compromised, experiencing strain, or may be exposed to a potential allergen. These reasons could be behind why you are feeling constantly tired.

What is fatigue from a medical standpoint?

From a medical perspective, fatigue is the experience of feeling constantly tired which can start to interfere with daily functioning. You may be feeling tired throughout the day, without even knowing it.


Your sleep and recovery may also be getting compromised due to chronic fatigue syndrome, making you feel completely drained in the mornings. Fatigue is a common symptom of several chronic illnesses as well, such as IBS, thyroid issues, autoimmune disease, kidney and liver disease, etc.

What can lead to fatigue over time?

There are several reasons why you can develop chronic fatigue over time.

Lifestyle issues

Detrimental lifestyle choices, such as smoking, excessive drinking, and lack of exercise, can lead to symptoms of fatigue over time.

Lack of quality sleep

You may be experiencing fatigue due to an inability to get quality sleep. Your sleep may be impacted by a range of reasons, which is why you should get your complete health checkup done.

High levels of stress

Chronic exposure to higher levels of stress can cause fatigue in individuals. You should limit your exposure to high stress situations and adopt stress management techniques.

Inefficient diet

If you are deficient in certain vitamins and minerals, then you may experience fatigue like symptoms. These can result from an ineffective metabolism caused due to core deficiencies.



Managing a chronic illness

One of the main causes of fatigue can be the presence of a chronic illness. You may feel a lack of energy, as an undiagnosed illness can cause fatigue over time as a key symptom.

Certain medications

Some medications may create the experience of fatigue in individuals. You should consult with your doctor about whether your medication can be causing lack of concentration, low energy, low vitality, etc.

Understanding the signs of fatigue

There are several important signs of fatigue that you should be mindful of, especially if you are experiencing multiple of them.

Difficulty falling sleep

An important sign of chronic fatigue is the difficulty in getting REM sleep. You may feel more tired waking up, and not experience complete restful sleep.

Lack of concentration

You may have difficulty concentrating, which can lead to issues with your output. Chronic fatigue can lead to long-term difficulty in concentrating.


Issues with mood management

You may feel more irritable and more prone to anger outbursts if you have issues with fatigue. Your cognitive system may be getting overloaded due to lower energy, leading to problems with mood management.

Fluctuations in weight

You may experience a rapid weight gain or weight loss as a secondary symptom to fatigue. This can be caused due to changes in metabolic health, which can result in long-term complications.

Lower motivation

You may find that you have lower motivation for longer periods of time. This can be related to low vitality as well as chronic fatigue. You may also experience periods of low energy that are unrelated to any other health issue.

Falling sick more often

Your immune system may also be impacted by chronic fatigue. You can fall sick more often, and experience longer sicknesses. You may also have a chronic cough or cold that lasts for several weeks.


* Medical Disclaimer - The following information is for educational purposes only. No information provided on this website, including text, graphic, and images, are intended as substitutes for professional medical advice. Please consult with your doctor about specific medical advice pertaining to your condition(s).

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