Hello and welcome to HCM,
with pain above the voice box indicates Laryngitis
that is inflammation of larynx
due to irritation of vocal cords that causes pain and horse voice. It is usually caused by cold or flu, allergies, smoking
or acid refluxes.
i suggest you to consult a ENT surgeon and get it diagnosed as soon as possible .
mean time at home treament can be done by using vapourizer ,drinking lot of water and keeping yourself hydrated, avoid smoking and areas of smoke.