Pls Help - a few hours ago I choked on a piece of Clif Bar, I inhaled and swallowed at the same time and it went deep into my windpipe - I coughed and coughed but I don't think I coughed it all out...ever since then I have developed sinus congestion and a pain in my right lung. I am breathing ok, but am nervous about falling asleep - will I wake up, will it get worse, do I have pneumonia? Any info will be helpful, thank you in advance.