Smoking and Injecting Whilst Fasting

Answered according to Hanafi Fiqh by

(a) Does smoking invalidate the fast?

(b) Does injection nullify the fast?


بسم الله الرحمن الرحیم

(a) Inhaling smoke intentionally invalidates the fast (Radd al-Muḥṭār, 2: 395). Thus, smoking invalidates the fast. However, smoke patches do not nullify the fast, as it does not involve any inhalation.

(b) Injecting in the body directly into the bloodstream does not nullify the fast, as the jurists have conditioned passage through the brain or the stomach for the nullification of the fast (al-Baḥr al-Rāʾiq, 2: 299; Radd al-Muḥtār, 2: 395-6; Fatāwā Maḥmūdiyya, 15: 179).

Allah knows best

Yusuf Shabbir

27 Ṣafar 1428 / 16 March 2007

This answer was collected from, which is a repository of Islamic Q&A, articles, books, and resources. Various schools write and oversee the answers, including Maulana Yusuf Shabbir, Mufti Shabbir Ahmed, and Mufti Muhammad Tahir. 

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