Suggest Cure For Sickness In The Stomach

hi doc,my baby is one month old.earlier i was giving him breast feed bt b4 7 days he was having breast milk jaundice and my doctor told to stop feeding for 3 days and now he is normal.inthe meantime my breast milk secretion stops so i am continuing with nan pro1.but i never want to continue rather i want to give him breast feed but i am helpless now.baby is having dark green and very bad smell poo.is it normal.and how to restart breastfeed plz help