one can control post-nasal drainage by using an antihistamine but i do not know anything about you or your medical history to know if this would be recommended for you since the underlying cause has not been determined. the brownish mucous is a a concern and could indicate a sinus infection so it would be wise for you to see your medical provider so you can be properly examined diagnosed and treated.
how to prevent postnasal drip that drains into stomach and makes me vomit every morning. every morning i have to vomit! it is very very frustrating because i can't do anything until i throw up. after that i am fine! i also have a cough that creates i see mucus and brownish yellow bile like substance. has anyone heard of or had this problem?