hello doctor, i m kanika agrawal from gwalior, M.P. age 21, i have severe pain in my chest from last 1 week and it is very difficult for me to breathe.. little cough, and this infection occurs for 2-3 days (short duration) many times in a year but this time it has been for 1 week.. when i consult a doctor , he used to tell dat it is only an infection.. but i thought that i would something else. plz suggest...