Hello i have noted your concern
Head aches can be due to multiple reasons, skipping meals reduced fluid intake or change in eye sight, migraine, sinus head ache, decreased sleep or stress these are the few common causes, to relieve head ache you need to take proper rest eat your meals on time and use over the counter medicine for relieving pain
Next Steps
If it is persistent even after doing so then kindly consult for proper evaluation treatment and management