Hello and Welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.
Since your Doctor has said to your headache,
drowsiness and occasional feeling of
fainting as
anxiety migraine you should continue the medications as advised and not take then as per your will and wish.
This will help you to get alright.
If the course still does not help you I would advise you the following:
Get an appointment for a
Neurologist so that a proper clinical evaluation, examination and investigations like that of MRI of brain, tests of blood, stool and urine will Help to get an exact cause and get you the most appropriate management.
Till then do not move around alone, have someone always with you.
Take the medications as advised.
Hope I have answered your query.
Let me know if I can assist you further.