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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Unilateral Headache?

Hello I am having really bad headaches on my left side my face is pale I have anemia I have diabetes type 2 and I don t know what is causing this pain I am Obese I went to the doctor and took multiple blood tests and they poked me 7 times and no blood came out will you please help me? Thank you!
posted on Sat, 23 Aug 2014
Twitter Fri, 26 Dec 2014 Answered on
Twitter Fri, 26 Dec 2014 Last reviewed on
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Neurologist,  's  Response
Hello dear,
I can understand your concern.Though you have many co-morbid factors like Obesity,anemia and Diabetes,but severe unilateral headache as in your case,is unlikely to be due to any of these factors.Most common cause of severe unilateral headache is Migraine.Migraine headache is episodic(lasting from hours to 1-2 days),unilateral,throbbing (pulse-like),associated with nausea,photophobia(increases on exposure to light),phonophobia(increases on exposure to sound) and visual aura(like seeing flashing zig-zag lights).Other causes of hemicranial headache can be primary headache like-Paroxysmal hemicrania,cluster headache.But,these primary headache comes in short duration episodes(seconds or minutes,which is probably not the case with you).Secondary cause like a 'space occupying lesion' in brain can also cause persistent hemicranial headache.Please visit a physician,so that he can examine you well and consider to get a brain imaging(like computerised tomographic or CT scan) if he feels so,to establish your diagnosis.I hope it helps.
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What Causes Unilateral Headache?

Hello dear, I can understand your concern.Though you have many co-morbid factors like Obesity,anemia and Diabetes,but severe unilateral headache as in your case,is unlikely to be due to any of these factors.Most common cause of severe unilateral headache is Migraine.Migraine headache is episodic(lasting from hours to 1-2 days),unilateral,throbbing (pulse-like),associated with nausea,photophobia(increases on exposure to light),phonophobia(increases on exposure to sound) and visual aura(like seeing flashing zig-zag lights).Other causes of hemicranial headache can be primary headache like-Paroxysmal hemicrania,cluster headache.But,these primary headache comes in short duration episodes(seconds or minutes,which is probably not the case with you).Secondary cause like a space occupying lesion in brain can also cause persistent hemicranial headache.Please visit a physician,so that he can examine you well and consider to get a brain imaging(like computerised tomographic or CT scan) if he feels so,to establish your diagnosis.I hope it helps.