Welcome to Heathcare Magic Physician's Desk!
If the intensity of your symptoms has gone up then you might be suffering some add on infection like dengue
etc and should get investigated accordingly.
If there is nothing new and problems same as before in last two years then you might be having some brooding infection or an autoimmune or connective tissue
disease and need an urgent review with a physician and get investigated for FUO.
Wish you a great health!