Hadith 14:308
Abu Bakr narrated to us, he said: Waki’ narrated to us, he said: Sufyan narrated to us, from Ibn Abi Najih, he said: "Zamzam water is a cure for that which it is drunk for."
حدثنا أبو بكر قال حدثنا وكيع قال حدثنا سفيان عن بن أبي نجيح قال ماء زمزم شفاء لما شرب له