I had high fever a fortnight back. fever came under control, but now i think i have built some sort of allergy in my throat. every time i try to speak?

Humidify: In days of yore when medicine was young we had "croup kettles" which heated water to produce steam which was to be inhaled in order to add moisture and treat sore throats. so I hear what you are saying and I feel you need to rest your voice and buy (not a croup kettle) bud a humidifier. I would thing that would help you gradually starrt to speak again..