Qìchuǎnbìng fāzuò shí yīdìng yào suíshēn dài xīrùqì.
When asthma flares up you must keep an inhaler on you at all times.
Tips
usage
More descriptive Taiwan-leaning term; mainland medical writing prefers 哮喘 (xiàochuǎn) or 支气管哮喘 (zhīqìguǎn xiàochuǎn). 气喘病 is what a non-doctor on the street would say — literally 'gasping-for-breath illness'.