Low blood pressure is very common in females and most of them will be asymptomatic, low blood pressure also a cause for giddiness..
You have to check her Bp periodically to correlate this symptom with BP.
Old head injury in childhood doesn't look like the reason for dizziness..
Better you consult a neurologist/ cardiologist and follow the advice..
Answered2016-03-10 02:23:30
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