Sir i am sick from last 13 days . Feeling fever...

When there is a loss of smell, a rise in temperature, shortness of breath, diarrhea, cough and a sore throat, you must isolate yourself at home and contact the competent medical authorities to rule out infection with Corona

How to treat chest infection

you can use antibiotic like amoxicillin or augmintin and to decrease body aches then you can use anaelgesics like ibuprofen and if there is no response to the  treatment then you can get chest x ray done to exclude the presence of pneumonia which is treated by intravenous antibiotics in severe cases  and you should drink hot drinks  and you can take vitamins supplements

How to diagnose  chest infection

you should be assessed by the physician and chest x ray can be done to exclude pneumonia and CBC can be done to exclude the presence pf anaemia or high WBCs

what is the causes of chest infection

viral infection
bacterial infection
low immunity

What is the symptoms of chest infection

fever
cough
fatigue
chest pain

advise

you should follow up with the physician to do the investigations needed