Narrated by Muhammad ibn Ali ibn Mahbub, from Muhammad ibn al-Husayn, from Safwan, from al-Ala, from Muhammad, from one of the Imams عليه السلام: I asked Imam عليه السلام about a man who has sores that continue to bleed - how should he pray? Imam عليه السلام said: "He should pray even if the blood is flowing."