• Feeling Fatigued? These Are the Possible Reasons Behind It

    by Caroline Ryther
    on Aug 20th, 2018

The truth is this: most of us feel tired 90% of the time while we’re awake, and we usually associate this fatigue with not getting enough sleep at night or simply having too much on our plates in that particular period.

More often than not, a simple change in our lifestyle—making sure we get some quality shuteye, tweaking our diet, and exercising more—can do wonders when it comes to this tiredness. However, when the fatigue turns into something more permanent and starts affecting your day-to-day life, it’s time to consider that there might be more to it than a lack of sleep or an extra workload at the office.

These are some common medical causes of fatigue that could be just what’s bothering you.

1. Anemia

Anemia affects over 3 million Americans and it’s the most common blood disorder in the world. It develops when your blood doesn’t have enough healthy red blood cells or hemoglobin, i.e. when it becomes difficult for your blood to distribute oxygen around your body.

Iron-deficiency anemia is the most common type of this disorder, one which is treatable with iron supplements and diet changes. Some of the symptoms of this type of anemia include extreme fatigue, weakness, pale skin, dizziness, brain fog, and heart palpitations. If you suspect that you are anemic, let your doctor know—they will be able to check with a simple blood test.

2. Diabetes

Just like with anemia, fatigue is one of the most common symptoms of diabetes, yet doctors still aren’t sure why it’s a symptom of this illness in the first place. One reason could be the fact that your body needs to use a lot of energy to deal with the frequent changes in your blood sugar levels.

In addition to fatigue, you may also feel the need to go the bathroom more and drink more water, and you might experience headaches, dry mouth, and blurred vision.

3. Underactive Thyroid

Located in the front of the neck (below the Adam's apple), the thyroid gland is the main organ for producing thyroid hormones, which control body metabolism. If it produces too much of the hormone thyroxine, the condition is called hyperthyroidism; if it doesn’t produce enough of the thyroid hormone, then you’re looking at hypothyroidism.

People suffering from hypothyroidism tend to feel tired, sluggish, and have slow reflexes. They may also experience muscle cramps, weakness, and hair loss, and are prone to gaining weight. If your doctor suspects you have hypothyroidism, he will test your blood for thyroid hormone balance.

4. Heart Problems

Congestive heart failure is another disorder that could be the cause of your extreme tiredness. It occurs when your heart is no longer able to pump blood as well as it should, and the fatigue will get worse when you exercise. Other symptoms include arm and leg swelling, shortness of breath, rapid/irregular heartbeat, and a persistent cough.

5. Sleep Apnea

Sleep apnea is a (potentially) serious sleep disorder that occurs when a person stops breathing repeatedly while sleeping. Because you never go into REM, you never get enough quality sleep, and your brain and the rest of your body never get enough oxygen.

A lot of people never realize that they have sleep apnea, since they’re not aware of what’s happening during the night, but they do experience extreme sleepiness and fatigue during daytime.

6. Depression

People who are depressed often have sleep problems, and those with sleep problems can easily become depressed, too. Insomnia and sleep apnea usually make depression worse, because they prevent you from getting enough sleep and cause you to feel tired. The lack of sleep and fatigue ultimately lead to you having neither energy nor motivation to deal with daily activities, and push you further into depression.

Depression can be treated with medication and therapy, so if you believe that you have it or know someone who might have it, it’s of utmost importance to seek out medical attention.


If you are suffering from any of the conditions listed above, don’t hesitate to contact Dr. Best and the Neuroscience Center.


Schedule your consultation as soon as today:

Phone: 847-306-8938

Email: pm@mind.md

Author Caroline Ryther

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