Is it permissible to wash a sick person with the blood of an animal that has been slaughtered?

Answer

Praise be to Allah.

This is not permissible because it is naajis (impure, unclean), and it is not permissible to treat sickness with things that are naajis.

Source: Majmoo’ah Fatawa wa Maqalat li’l-Shaykh Ibn Baz, p. 118
