What is the ruling on the discharge of rare substances from the two passages?
Chapter on What Nullifies Purification
Al-Mughni
Book of Purification
Primary text
The discharge of rare substances from the passages, such as blood, worms (*dood*), pebbles (*hassa*), or hair, invalidates ablution. This view is held by Al-Thawri, Al-Shafi'i, Ishaq, and the Ashab al-Ra'y (Proponents of Opinion). The evidence for this ruling is that the substance exits from the passage, resembling *madhy*. Furthermore, such discharge is never devoid of moisture (*ballah*) to which it adheres, and this moisture necessitates the nullification of ablution.
Supporting text
Al-Hasan, 'Ata', Abu Majliz, Al-Hakam, Hammad, Al-Awza'i, and Ibn al-Mubarak considered the exit of worms from the anus to necessitate ablution. Mālik ruled that this category of rare discharge does not necessitate ablution because it is rare, being analogous to that which exits from non-standard passages.