<s>[INST] How long does it take once you are around whatever triggers your asthma to bring an asthma attack on? [/INST] Hi, Asthma is a chronic inflammatory disorder of asthma. In an asthma patient many factors can trigger asthma exacerbation. Common triggers of asthma are stress, cold exposure, any food to which the patient is allergic, lung infection to atypical organism and exposure to any noxious smoke etc. Now, stress or cold or food allergen usually trigger asthma exacerbation within minutes. Lung infection takes 2-3 days to trigger asthma. We usually advise our asthma patients to monitor his/her peak flow so he /she can predict when asthma getting uncontrolled and seek doctors advice. When asthma exacerbation is due to any food or cold exposure immediate seek doctors advice. </s>