this is very important information for who are participated hajj in makkah.
bn Abbas reported: I served. (water of) zamzam to Allah's Messenger (may peace be upon him), and he drank it while standing.
-Sahih Muslim [Book #023, Hadith #5023]
Ibn 'Abbas reported that Allah's Messenger (may peace be upon him) drank (water) from zamzam in a bucket while he was standing.
-Sahih Muslim [Book #023, Hadith #5024]
Ibn 'Abbas reported: I served (water from) zamzam to Allah's Messenger (may peace be upon him), and he drank while standing, and he asked for it while he was near the House (i. e. House of Allah-Ka'ba).
-Sahih Muslim [Book #023, Hadith #5026]
Facing the qiblah
Ibn 'Abbaas may Allaah be pleased with him said: "If you drink Zam-Zam water drink your fill, turn towards the Qiblah, say "Bismillaah" (in the name of Allaah) and breath three times and when you finish, you should say "Alhamdu lillaah" (All perfect praise be to Allaah)."
-Al-Haakim (Source)
Make as many supplications as one wishes between the gulps. The Prophet(PBOH) taught a specific dua as follows
اللَّهُمَّ إِنِّي أَسْأَلُكَ عِلْمَاً نَافِعَاًً وَرِزْقَاً وَاسِعَاًَ وَشِفَاءً مِنْ كُلِّ دَاءٍ
Allah humma Innee As alooka 'ilman naa fee-ow wa Rizq-ow waa See-ow wa Shee-faa amm min Kooll-lee daa-een.
Translation: O Allah, I ask You to grant me beneficial knowledge, abundant sustenance and cure from all diseases.
"O Allah, I seek beneficial knowledge, wide sustenance and cure from all ailments from You".
-Hisnul Hasin
