question: Hi Dr. I have a question for you I just came from emergency room I have a problem with my ear there is no pain but is soon as I eat something sour  The corner of my  Face and behind ear gets really swollen I really don’t know what’s going on and plus  I am 11 weeks pregnant and they can do x-rays  they told me there’s no infection no I need to come home and eat more sour stuff So I can produce more saliva help me please