Thanks for your query.
attacks with headache, may have been due to postural hypotension
after blood donation
However, since your daughter has never had any problems in the past after blood donation, two episodes of seizure-like fainting attacks, followed by prolonged headache (could have be post-ictal
headache) warrants a neurologist's opinion.
An MRI of the brain along with EEG-if required- may be done to rule out an underlying, asymptomatic seizure disorder
. Seizure disorder would be ruled out conclusively if both : MRI and EEG are negative.
Consult your doctor and apprise him of my opinion. I am certain that he will agree with me, order required tests, and- based on the reports- will prescribe suitable/modified treatment as advised.
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Dr. Rakesh Karanwal