I don't have no stomach pain, no coughing, no vomiting only a pain burning sensation in upper middle chest and belching for almost 4wks. still going on?

Reflux: Your heartburn symptoms are consistent with a possible acid overload or gastric reflux. Dyspepsia is treatable with over the counter acid blockers like Pepcid (famotidine) or something as simple as alka-seltzer / tums. Herbalists can consider papaya enzyme and peppermint teas. Continued symptoms despite home therapies warrant a physician visit.