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What Causes Weakness And Lack Of Energy?

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Posted on Tue, 6 Dec 2016
Question: i feel weakness and lack of energy without doing much activity. i'm afraid i may have anemia
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Answered by Dr. Panagiotis Zografakis (57 minutes later)
Brief Answer:
you'd better do some tests

Detailed Answer:
Hello,

unjustified lack of energy may indeed mean anemia but it may also mean other things like thyroid disease or depression for example. There are numerous causes so you'd better do some basic tests to exclude some of the most common ones.

- complete blood count to check for anemia (mostly)
- thyroid stimulating hormone (TSH)
- electrolytes (sodium, potassium, calcium)
- urea and creatinine
- liver function tests (AST, ALT, ALP)
- glucose

Other important causes of unexplained lack of energy include sleep apnea syndrome and depression. If all else fails to explain the symptoms then depression might be the answer. You should investigate organic causes first though.

I hope you find my comments helpful!
Please contact me again, if you'd like any clarification or further information.

Kind Regards!

Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Panagiotis Zografakis

Internal Medicine Specialist

Practicing since :1999

Answered : 3818 Questions

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What Causes Weakness And Lack Of Energy?

Brief Answer: you'd better do some tests Detailed Answer: Hello, unjustified lack of energy may indeed mean anemia but it may also mean other things like thyroid disease or depression for example. There are numerous causes so you'd better do some basic tests to exclude some of the most common ones. - complete blood count to check for anemia (mostly) - thyroid stimulating hormone (TSH) - electrolytes (sodium, potassium, calcium) - urea and creatinine - liver function tests (AST, ALT, ALP) - glucose Other important causes of unexplained lack of energy include sleep apnea syndrome and depression. If all else fails to explain the symptoms then depression might be the answer. You should investigate organic causes first though. I hope you find my comments helpful! Please contact me again, if you'd like any clarification or further information. Kind Regards!