Dear sir Sudden my sister having breathing difficulty little she was not taking proper full breath from bose .she taking breath from mouth what is the reasons any pls advice how to get fast breath any home tips .she don't have any fever cold dry cough and not even body pains .just breathing since just now pls tell tips . She was pregnant 3rd month running.. thnks.. we from Hyderabad Telangana only nkt visited any other countries since child hood ...