Hi madam,
First of all make sure that there is no chance of any foreign body like fish bone in your throat. If there is, then consult an otolaryngologist and remove it.
Otherwise, it can be due to pharyngo-tonsillitis. You may need antibiotics and antihistamines.
Presently do warm saline gargle
Regarding migraine, if it is already diagnosed by any doctor, then take the prophylactic medication regularly.
Next Steps
Do warm saline gargle as a home remedy. consult an otolaryngologist in person to have a detailed examination.