Thank you for your query on Healthcare Magic.
You need evaluation by investigations to look for the cause of fainting
The common causes are orthostatic hypotension
, vasovagal syncope
, heart rhythm abnormalities, vertigo
Investigations like ECG, holter monitoring, EEG, complete blood picture, 2D Echo to be done.
Therefore I suggest you to consult the physician for clinical examination to check your blood pressure and for investigations.
Hope I have answered your query.