Hawzah News Agency – Please elucidate the legal rule concerning the following from the point of view of purity and najāsah: The vomit (a) of a breast-fed child; (b) of a breast-fed child that is also given supplementary diet; (c) of an adult.
Answer: It is pure in all these instances.
Source: https://www.leader.ir/en/book/32/Practical-Laws-of-Islam