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Blood test normal after getting giddiness. What test should be done? Precaution to be taken?

Mar 2013
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This is question is for my daughter who is 19. She is doing her second year engineering and staying in hostel. She got giddiness at class though she was movoed to institute health center they found nothing wrong and this was only momentary. Earlier when she had similar problems a few monsth back we did all blood check up and all and everything was normal includeing platelet and then doctor only advised to take vitality powder and stamina syrup.

what kind of checkup/meication should we resort to now.
We had her complete check up in 2011 and everything was normal at that time. Only thing due to hostel stay she has lost weight
Tue, 29 Jan 2013 in General Health
Answered by Dr. Aarti Abraham 37 minutes later
Thanks for writing to us.
There are various causes of giddiness and dizziness in an adolescent girl.

I will enumerate below the various causes, and the check up recommended.
One of the most common causes is irregular eating habits, particularly in hostels, due to which she could have had hypoglycemia - low blood sugar levels. This can be diagnosed only at the time of giddiness, when the sugar levels would be shown as low.
This can be improved by proper mealtimes, avoiding remaining hungry for too long or skipping meals, particularly breakfast, and consumption of foods that provide sustained energy for longer periods of time - like wholegrain cereals, nuts,fruits etc.

Another reason could be postural hypotension, where the blood pressure is low. For this you need to consult a physician and have her pulse, blood pressure and BMI checked. If this is the case, she needs to have adequate fluid and liquids and water intake, which is also often compromised in hostel life.

Simple giddiness could be due to chronic lack of sleep, particularly if she is under stress of examinations etc, and this could cause fatigue and sleep deprivation which manifests as weakness and dizziness.

In adolescent girls, anaemia is a common condition, particularly if she is having abnormal or altered menstrual pattern also . You can let me know if her periods are regular. Also, get her complete blood count and peripheral blood picture done, which would diagnose anemia.

Vertigo and migraine also can present in this way, as well as sunstroke and any kind of emotional stress - these conditions can be diagnosed by a physician also.

I hope there is no family history of any inherited heart condition, as sometimes some heart diseases ( eg. mitral valve prolapse ) etc. also present in this way in young girls. A complete cardiac check up and ECG plus Colour Doppler of Heart would be advised by your physician if he is doubtful after examination.

She should also have her complete laboratory work up including thyroid profile, blood sugars, electrolytes, urine examination, viral markers etc. to rule out any other systemic cause of such giddines.

Most often, it is common in young girls who live in hostels due to the stress of studies, coupled with erratic sleeping habits and irregular and non nutritious eating habits. So please do not worry, but consult a Physician for all of the above tests. Please advise her to sleep on time, get atleast 8 hours of proper uninterrupted sleep a day, take nutritious meals on proper time, and to avoid anxiety / stress for any reason. Proper multivitamin supplements and iron tonics ( if anemic ) would also help. Encourage her to be positive and vocal about her problems.

Take care and feel free to ask for further clarifications.
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