A member asked:

How long does it take for prednisone to work in the treatment of asthma?

A doctor has provided 1 answer
Dr. Michael Zacharisen answered

Specializes in Allergy and Immunology

Within 24 hours: While Prednisone and other oral steroids are rapidly absorbed from the GI tract and begin to kill eosinophils in the blood (common white blood cell in allergic asthma) within 4 hours, the lung effect is typically longer but within 24 hours. (that is why it is important to start Prednisone early in an asthma attack).

Answered 7/4/2018

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