Answered by Shaykh Faraz Rabbani
When does nose bleeding break wudu and does it break wudu when I blow my nose and a very little amount of blood comes out, too?
Walaikum assalam,
When blood flows down to the noseeven if only to the bony upper partone’s wudu is broken. [Bada’i` (1.26), Hindiyya (1.11) quoting al-Muhit, Radd al-Muhtar (1.134) quoting Fath al-Qadir of Ibn al-Humam and al-Bahr al-Ra’iq of Ibn Nujaym]
However, if a clot of blood is found in the nose, it does not break one’s wudu. [ibid]
As for blood that comes out when blowing one’s nose:
a) if from a flowing wound in the nose, it breaks wudu;
b) if it flowed down into the nose, it breaks wudu;
c) if one sneezes and a clot of blood comes out, wudu is not brokenin order to break wudu, the blood needs to have flowed;
d) if one puts a finger into one’s nose, blood found on the finger will not break wudu, unless it was such that one is reasonably sure that it had flowed.
And Allah alone gives success.
Wassalam,