Gerd /LPR/ pharyngitis. Tensed now.

Suddenly i started coughing while talking, eating and drinking. Doc prescribed antibiotics for infection ,got my chest x-ray done and cbc, thyroid. All report fine. He mentioned that i have pharyngitis and voice box is swelled. Then i started having feeling of something in my throat causing discomfort in swallowing esp water. Always feel like mucus in my throat. Doc suggested gerd medicine..im taking rabemac dsr. Also i had pain near ribs and chest for that i am taking lofecam 8. Im also taking allegra 180 for allergy.. but still my problems are not cured. I feel like coughing while talking, start coughing while drinking and eating. Mucus stuck feeling in throat.i also feel my teeth clenching .This is happening from past 2 months. I am really tensed now.