Patient :Dear Doctor, I am 42 yo old male. I never smoke or drink alcohol. I fell nauseous in day time and bringing up foamy mucus from the back of the throat or esophagus. I do not have cold or cough. I tried anti acid medications, anti histamine, antibiotics but none of them could control it. Other than this problem I do not have any difficulties in swallowing food. I am not sure about the source of this foamy mucus. Even if I drink water, I can bringing up this mucus from throat. I am wondering if it is in the throat why it dose not go in to the stomach when I drink water? it is really annoying. Please suggest me what could be the reason for this.
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