Thank you for posting your query.
The most likely cause for your symptoms could be a migraine headache
. For symptom's relief, you could take ibuprofen
If symptoms persist, you may get an MRI of the brain done.
The chance of you having a blood clot in brain is very less.
Wishing you good health,
Dr Sudhir Kumar MD DM (Neurology)
Senior Consultant Neurologist