Can be difficult: If you can cough it up likely coming from the lower tract, and if you can blow it out of your nose it is a nasal/sinus process.
Answered 10/9/2015
5.3k views
3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
9 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question