A member asked:

Am a 20 year old female,i don't drink nor smoke.i've observed for 5 days that the phlegm from my throat is black in colour only in the morning,?

A doctor has provided 1 answer

Check filters: This could be due to unclean filters in your home's HVAC system. Your nose/lungs function to filter dust/debris that you inhale. Try this, and see if this symptom disappears.

Answered 1/27/2017

821 views

Thank

Related Questions

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more