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How it affects breathing

Evidence. A cold alone does little; a cold plus the pollen you react to does a lot. Logging it is what lets the diary see that. Colds are the most common cause of an asthma flare bad enough for the emergency room, and the two weeks after school starts are the peak of the year.
What helps. A cold is the one time to be strict about the daily controller inhaler, and to have the rescue inhaler close.

Breathing Index is a breathing lens on public air data — not medical advice. Trust your symptoms and your asthma action plan over anything on this screen.

Breathing Index is a free logbook for this. You rate your breathing from 1 to 4, it stores every one of these readings alongside the rating, and over time it marks which of them your own days say affect you. What this is · Open it