The Compendium of Kāśyapa 8.10.128

8.10.128

dadhi māhiṣamityetat kāmalāyāścikitsitam
mātuluṅgarasaḥ peyaḥ saindhavena suyojitaḥ

buffalo curd—this is the treatment for jaundice. / Citron juice combined well with rock salt should be drunk;