Fatigue: Symptoms, Causes, Diagnosis & Treatment

There are several synonyms of fatigue that can be used alternately to define the similar condition of the mind and body: exhaustion, tiredness, and lethargy.

Fatigue can be mental and physical. The former occurs when your mind is overworked, and performing a task seems an insurmountable challenge. At the same time, physical fatigue is associated with tiredness in your muscles that hinder your physical performance.

Symptoms associated with fatigue

There are several symptoms associated with fatigue, and the degree of tiredness depends on the reason behind it. Due to exhaustion, a person loses his ability to carry out daily chores. 

A person experiences the following under chronic fatigue:

  • Dizziness
  • Weakness
  • Tiredness, swelling, and pain in legs and hands
  • Disturbed sleep
  • Hallucinations
  • Lack of concentration
  • Loss of appetite, feeling drained, sleepy
  • Blurred vision
  • Lack of energy and motivation
  • Haltered hand-eye coordination
  • Forgetfulness
  • Shortness of breath
  • Unresponsiveness/ lack of consciousness

Causes of fatigue 

  • Obesity, diabetes, underweight, malnutrition- deficiency of vitamins and minerals, hypothyroidism, anemia, lung disease, and kidney disease.
  • Sleep apnea, high-stress levels, insomnia, working till late night, jet lag, over-thinking, anxiety, traveling, over-exercising.
  • Medicines like anti-depressants, sleeping pills, steroids, blood pressure medicines, anti-histamines.
  • Chronic fatigue syndrome, radiation treatment, chemotherapy, loss of blood, surgery, etc.

Diagnosis of Fatigue

Your doctor will diagnose the course of the fatigue, which implies the time of its occurrence, how consistent it is, the degree of severity, etc. He/she will analyze your general habits, working hours, food habits, etc. before concluding.

Make sure you tell your doctor if you are taking any medicines or have any medical history.

After evaluating your health in details, he may suggest you the following tests to find out the precise reason:

  • CBC test
  • Blood sugar
  • Electrolyte test
  • ESR test
  • Creatinine test
  • Urine test
  • ECG
  • X-ray
  • Imaging tests

How can fatigue be treated? 

There could be three possible ways to alleviate fatigue:


Since fatigue is the outcome of an underlying disease, like anemia, hypothyroidism, infections, diabetes, etc., it will go away with treatment of the health complication. Your doctor might reduce the dose of that fatigue- causing medicines temporarily.


Several therapies are performed on a person to reduce mental as well as physical exhaustion and tiredness. They are graded exercise and psychological counseling.

Change in lifestyle

this entails the holistic improvement of your mind and body. Physical fatigue can be controlled by changing sleep patterns, indulging in fun activities to beat stress, and eating healthy. Yoga and meditation are must be needed for people suffering from anxiety and depression.

What to expect? 

Since fatigue is an outcome, it disappears with the treatment. However, you need to follow your doctor’s advice for a speedy recovery conscientiously.

We insist you focus on transforming your bad habits, keeping yourself hydrated, and cutting down on smoking and drinking. Stay in a positive atmosphere to boost your mental energy.