A member asked:

How common is adult onset asthma? nonsmoker

A doctor has provided 1 answer
Dr. John Chiu answered

Specializes in Allergy and Immunology

Not uncommon: Although it was believed that asthma could only start in childhood and in the 60's no one could have allergic asthma developing after age 40, it is clear now that asthma can indeed occur in adulthood. Based on my experience, I estimate that about 25% of the asthma cases develop during adulthood.

Answered 8/5/2016

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Can you get asthma in adults without having symptoms?

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