My mother ev is 35%,she is under medication for last 6yr.At present she has a cough for the last 15days,no improvement after taking cough syrup with antibiotics. What to do?her regular medicine are_lasix 40mg,inapure,car divas,planep,rosulit cv,flavodon mr,cloralit mv. Kindly suggest for her cough.my mail YYYY@YYYY