Characteristic appearance of the oropharynx in patients with postnasal drip (PND)-induced cough.
Katsuyuki TomitaTomoyuki IkeuchiHirokazu TougeYosuke NakamuraYuko YamamotoHiromi TakeuchiAkira YamasakiPublished in: The clinical respiratory journal (2021)
Patients with acute PND-induced cough have a component of acute upper respiratory infection, because of high probability of a sore or scratchy throat and fever as symptom. A reddish curtain sign may be a useful finding for identifying PND-induced cough in these cases.