<s>[INST] I am a 36 yr old female, and in last few months have had fatigue, severe sciatica pain that goes all the way down to foot.  in last week, have had pain in center of chest, sore throat (soreness now gone, but replaced with coughing (green phlegm) been on antibiotic for 5 days now.  diagnosis last week was tonsilitis (tested neg for strep).  The chest pain hurts when I burp, eat or drink anything -even just a tiny amount of water.  I have low blood pressure, in overall good health, stay at home of 3 young sons, white, 5'4", 135 lbs, non smoker/drink seldom, take vitamins, taking no scrips besides the recent antibiotics, haven't worked out in 4 weeks b/c I'm too tired, oh and lots of cancer in my family. [/INST] Thanks for your question on Healthcare Magic. I can understand your concern. Your chest pain is central and associated with burping and eating. So possibility of GERD (gastroesophageal reflux disease) related pain is more. But you are also having green phlegm which suggest lung infection. So better to first get done chest x ray. If chest x ray is normal then no need to worry for lung infection. GERD is likely in your case due to antibiotics and other drugs. GERD is due to laxity of gastroesophageal sphincter. Because of this the acid of the stomach tends to come up in the esophagus and cause symptoms of chest pain, burping, belching etc. So take pantoprazole and domperidone tablet on empty stomach. Avoid hot and spicy food. Avoid stress and tension. Go for walking after meals. Don't worry, you will be alright with all these. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks. </s>