Opening the Donguibogam library...
Opening the Donguibogam library...
Opening the symptom encyclopedia...

Do you clear your throat every morning because of sticky phlegm caught in your airway, constantly spitting it out in frustration? Does phlegm worsen especially during seasonal transitions, distressing you as it seems to rise endlessly no matter how much you spit? Rather than simply brushing it off as a cold sequela, this sticky phlegm may be an important distress signal from your lungs.

When you wake up in the morning, do you feel an uncomfortable tightness in your throat as if something is caught, constantly clearing your throat because of sticky phlegm? With the frequent minor cough and foreign body sensation in your throat that appear at any time, have you ever worried whether something might be wrong with your lungs?