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What are the causes of tiredness and lack of concentration?

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Hi I feel tired/fatigued and I have a lack of concentration when trying to study. Coffee also has a negative effect on me, causing me to become even more drowsy/tired in the long run. I have been to my family doctor and have had a blood test and the doctor said this ruled out any vitamin deficiencies or other disorders that could cause tiredness.What could be the potential causes for this?Thankyou

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Category: Family Physician-GP
 29 Doctors Online

The fatigue and lack of concentration could be due to main reasons.

It could be due to:

a) Anemia - which is reduction in the red blood cells in the body.

b) Low blood pressure

c) Depression can also present with these symptoms.

d) Chronic fatigue syndrome.

e) Stress.

Generally, Caffeine stimulates the brain and increases the heart rate and adrenaline, which in turn keeps you awake. But you have the opposite effect with it. Don't worry about it.

I would suggest you to get a complete blood test and physical examination done and consult your doctor with these reports for further treatment.


Dr. John Monheit
Category: Family Physician-GP
Experience: 
Residecny: North Colorado Family Medicine
Medical School: The Chicago Medical Center
Dr. John Monheit and 4 other Medical Specialists are ready to help you

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