Symptoms of pneumonia. Nose pain.

Hi May I know the symptoms of pneumonia plz?I have seen a news by a doc that excessive steam will cause pneumonia.I have taken excessive very very hot steam daily thrice for almost 45 days with the gas on.since then iam having itchy throat nose pain upper chest upper back neck pain and shortness of breath .in winter severe chills.it's been since Aug .done all sorts of tests cbp crp serum creatinine serum uric acid thyroid vit b12 vit d3 nt pro bnp calcium eeg all are normal .used azee doxcyp bilagra salt gargle betadine Medrol pregabalin mk flutron but no change in symptoms.if iam resting on bed no pain once I get up from bed severe upper back pain unable sit or do work .too much shortness of breath throat itching nose pain .no covid.plz help what can I do .in aug after 10 days of steam inhalation I have done hrct chest to rule out covid but no covid but it it showed corads 2 infective etiology and bilateral minimal pleural effusions.plz help me I have visite many doctors no use