Does using an oxygen mask invalidate the fast?

Answered according to Hanafi Fiqh by Askimam.org
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Assalam aleikum wa rahmatullahi wa barakatuh!!!

Plese, answer our question:

Our mother sufferes with illness ( cant breath normaly without oxygen mask), so can you tell , will fast valid if she use oxygen mask ?

Jazak Allah Khayr.


In the Name of Allah, the Most Gracious, the Most Merciful.

As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.

Inhaling air only does not break the fast. If by using the oxygen mask your mother will only be inhaling air and no medication, then it does not invalidate the fast, meaning she can use the oxygen mask while fasting. [i]

And Allah Ta’āla Knows Best,

Mufti Sohail ibn Arif,
Assistant Mufti, Darul Iftaa
Chicago, USA



فتاوى عثماني ٢/ ١٧٩ – ١٨٠  [i]