Hi there,This is Dr Basu, experienced Internal Medicine Specialist.I am here to address your concerns and provide great service.
You likely have laryngitis ir inflammation of the voice box.
Viral infection is the common cause.
Usually tends to improve with voice rest, warm fluids and aspirin warm water gurgles day by day.
Oral steroid course can be considered to expedite the recovery.
Yes you should see your GP for clinical evaluation. Best wishes,It was my pleasure to help you today.If I have answered all your questions, Please rate my response Excellent (click on the 5th star on top).Please bookmark my profile for fast, reliable authentic answers!This is the link to my profile:http://www.justanswer.com/medical/expert-mysticdoc/