Asthma classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Lakshmi Gopalakrishnan, M.B.B.S. [2]

Overview

Asthma is classified into four subgroup, namely, mild intermittent, mild persistent, moderate persistent and severe persistent based on the GINA severity grade.

Mild Intermittent Asthma

Symptoms per day	Symptoms per night	PEF or FEV1	PEF variability
less than once a week	less than or equal to twice a month	≥ 80%	< 20%