Hi welcome to the health care magic Costochondritis and Gerd are two different issues Although anxiety is related to provoke Gerd symptoms For your case for Gerd acid reflux pantoprazole like strong antacid prescribed Along with that take care in avoiding high fatty foods and excess spicy foods.... If no improvement with medication then for that endoscopy can be done to rule out Hiatus hernia and surgical management also can be planned Now second issue costochondritis usually response well to ibuprofen like anti inflammatory drug... If having associated dyspnea then PFT and chest x ray like further investigation needed..... If bruises present over body then platelet count and PT, APTT checked TENS is another mode of therapy for chronic costochondritis Take care Hope your concern solved Consult pulmonologoist for examination and discuss your treatment plan