India, Oct. 1 -- Do you also wake up every morning with a blocked nose or feel the need to keep clearing your throat? What does it mean? Is this misinterpreted as something normal? A pulmonologist here weighed in, adding clarity that the nasal congestion could be a sign of an underlying ENT problem.ALSO READ: Your lungs may be ageing faster than you: Pulmonologist shares 7 causes and signs you should not ignoreDr Sagar Srivastava, a consultant pulmonologist at Kailash Hospital, Greater Noida, a unit of Kailash Healthcare Group, told us that many people may mistake morning nasal congestion for an allergy and resort to self-treating with antihistamines. But persistent congestion requires medical evaluation, as it can have several undetected...