Doctor answers about:

I have acid reflux and last night i had it come up and this morning i am coughing up light black phlegm what could it be

HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question