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Blood test while fasting

Mu' meneen Brothers and Sisters,

As Salaam Aleikum wa Rahmatullahi wa Barakatuh.  (May Allah's Peace, Mercy and Blessings be upon all of you)


One of our brothers/sisters has asked this question:



My question is if it is allowed to give blood just for a blood test if i am fasting.


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Blood test while fasting

In the name of Allah, We praise Him, seek His help and ask for His forgiveness. Whoever Allah guides none can misguide, and whoever He allows to fall astray, none can guide them aright. We bear witness that there is no one (no idol, no person, no grave, no prophet, no imam, no dai, nobody!) worthy of worship but Allah Alone, and we bear witness that Muhammad(saws) is His slave-servant and the seal of His Messengers.


There are basically five things which nullify one’s fast:



Sexual intercourse

Intentional ejaculation

The woman who gets her monthly periods during a fast.


If one is required to give a blood sample while fasting for his blood test, it has absolutely no bearings on his fast. The giving of blood will not invalidate the fast in any way, and the person should continue his fast after giving the blood.


Whatever written of Truth and benefit is only due to Allah’s Assistance and Guidance, and whatever of error is of me. Allah Alone Knows Best and He is the Only Source of Strength.


Your Brother in Islam,





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