Phlem in my throat?

Hi, so i was recently diagnosed with an ear infection. Along with this infection, i have a cold. I felt mucus in my sinuses and it was a terrible feeling. A couple of hours ago, i swallowed a HUGE ball of mucus and i still kind of feel it in my throat... Im contantly coughing and feel just a tiny bit nauseous... What can i do to get rid of that ball of mucus? Anything i can do without having to throw it up?
Phlem in my throat?
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