Itching in esofagus, coughing, sneezing and allergy

Patient: I am suffering from bowl irritation and coughing at the time of itching in esofagus. acidic water comes out while coughing. I feel very tired & weak. Is it type of allergy? I also feel sneezing & some times breathing trouble when weather changes or at the time of cold. Is it cold allergy? how to get rid of these disease. I am getting very weak day by day. Plz. suggest.

Symptoms: Coughing, sneezing, allergy