Strube, G. Revision of BTS guidelines for the treatment of asthma. Prim Care Respir J 11, 78 (2002). https://doi.org/10.1038/pcrj.2002.80 ...

Once a person has been diagnosed with asthma, he/she will have the symptoms on and off where the disease can unfold in various ways – acute flare-ups, chronic intermittent or stable asthma.