A member asked:

Took a spirometer test and felt like my throat started hurting and feeling weird 3 days later. they changed the mouthpiece to a new one but how sanitary is the breathing in and out of the machine? already had covid and recently tested for antibody?

2 doctors weighed in across 2 answers
Dr. Jay Kashkin answered

Specializes in Allergy and Immunology

Single use: Each time a pft is done the mouthpiece is changed. To my knowledge there are only 2 reports globally of reinfection with COVID. Also, symptoms usually begin anywhere from day 4-10.

Answered 11/22/2020

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Dr. Heidi Fowler answered

Specializes in Psychiatry

COVID 19 concerns: This article discusses the additional requirements for hygienic spirometry in addition to use of new mouth piece. REF: https://vitalograph.com/resources/article/hygiene-considerations-for-spirometry#:~:text=The%20risks%20of%20infection%20in,previously%20tested%20on%20the%20device.

Answered 11/23/2020

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