Hi welcome to the health care magic According to history it could be upper respiratory tract infection.... Your approach to the case should be as follow.... -Auscultation -CBC -Chest x ray -Spirometry only if needed after above work up For congestion relief levocetrizine or stronger one like chlorpheniramine drug prescribed as decongestant Hot water used for drinking Take vitamin C lozenges One tsp turmeric powder with milk useful If bacterial infection picture present as per reports than antibiotic started If still no improvement than EKG, HB estimation, peripheral smear blood examination done for further work up Take care Consult pulmonologoist for examination with keeping all this in mind