Hello, You are feeling the sensation that you are having a hair stuck to the back of your throat, it could be due to allergy. You can take soups, juice, water or any other beverage to keep your throat lubricated. You can take antihistamines, Levocetirizine or buy a humidifier to feel better. Heartburn-like pain in the middle of the chest is commonly due to Acid Reflux, GERD, Stomach Ulcer, Angina or CAD, developing cardiovascular diseases. Take antacids for relief, you can also take PPI s. Take food rich in fiber, avoid gluten & trans fat food, avoid food that causes you allergy. Take small meals many times a day & stay well hydrated avoid constipation. You are suggested to visit ER, get done a thorough medical examination along with required Blood tests, Imaging tests. Get assessed & treated at the earliest. Your treatment will depend upon the severity of the pathology detected. Stay away from stress & anxiety. Take adequate sleep. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Nupur K, General & Family Physician