Crp value 23. 87. Help i need to know!

Hi greetings to all, I need big advice So on 7th June I got tested for RTPCR but it came negative but I have cold n slight cough not exactly cough but it came because of itch in throat and fever highest recorded was 100.4 that too was for only for few hours but always it was 98.6 98.4 but always 98. Something. So consulted a doctor he wrote me few tests in that everything was normal Except for CRP 17.43 and D-Dimer 304 even though I took medicine for covid...now my cold is reduce cough I reduce but I got tested again for CRP it came 21.87...but I feel fine no fever oxygen is good it's always 99 and temperature is 98.4 everything...but my doctor is suggesting to take steroids is this necessary... please help I need to know