My mother was suffering from lung infection from 20th May with high fever and cough CRP was 55.After treatment with antibiotic the cough and fever improved but she was suffering from extreme fatigue now crp is 4.60, haemoglobin 11 chest xray normal and pft is Also normal. The concern is she is suffering from extreme tiredness not able to perform daily activities and also shortness of breath on doing work Kindly advise.