Does swallowing phlegm invalidate one’s fast?

· 9 Shawwal 1434 AH1 min readFatwa 26585English

Question

Does swallowing one’s phlegm invalidate one’s fast? I have seasonal allergies that cause me to produce phlegm, sometimes I’m able to spit it out but other times I cant and end up swallowing it.

Answer

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

As-salāmu ‘alaykumwa-rahmatullāhiwa-barakātuh.

Swallowing one’s phlegm does not invalidate one’s fast.[1]

And Allah Ta’āla Knows Best

Mufti Ismail Desai,

Durban, South Africa

Checked and Approved by,
Mufti Ebrahim Desai.

References (Arabic / Urdu sources)

1 فان كان بلغما فغير مفسد مطلقا خلافا للثاني و استحسنه الكمال و غيره (الدر المختار، ص 415، ج 2)

Answered by
Mufti Ismail Desai
Checked & approved by
Mufti Ebrahim Desai
Questions about this ruling, answered only from the archive with sources.

Where scholars differ, it’s safer to take the more cautious view.

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