** 1. Chest pain with sweating and difficulty on breathing during exertion, warrants an urgent consultation with Cardiologist who after careful examination and necessary investigation will carry out further necessary instructions and management. 2. If Cardiology opinion comes normal, one can think of GERD [gastro esophageal reflux disease] as the cause of pain/sweating for which one can seek opinion of gastro enterologist. 3. Since your friend recovered from his ailment, which probably implies that pathology was not that severe, but in order to diagnose the condition, physical examination is must and for that one has to come forward for doctor-patient appointment, and cost will depend upon the associated symptoms contact me on: bit.ly/drmunishsood for further necessary management.