Thanks for your query
Are you having fever
too? If yes then how much?
Does the headache stay always?
What other symptoms are you having?
May be you are having a throat infection
Do warm saline gurgling four times daily for 5 days
Take Vit C 500mg
tablet once daily for a week. Eat plenty of citrous fruits.
Have plenty of fluids.
500mg tablet twice daily for 3 days and thereafter sos
Take Levocetrizine 5mg tablet twice daily for 5 days
500mg tablet 1 tab per day for 3 days
Do a throat swab culture sensitivity testing if possible.
But dont self medicate.Get a clinical checkup from your doctor and take his advice.
Hope this helps
Update here how you stay.
Take care :)