It is narrated from Sayyida Aisha (may Allah be pleased with her), she says: If anyone tells you that the Messenger of Allah (peace and blessings be upon him) urinated while standing, do not believe him, because since the Qur'an began to be revealed to the Messenger of Allah (peace and blessings be upon him), from that time he never urinated while standing.
Hadith Referenceالفتح الربانی / كتاب الطهارة / 491
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«اسناده صحيح علي شرط مسلم ۔ أخرجه الترمذي: 12، والنسائي: 1/ 26، وابن ماجه: 307 ، (انظر مسند أحمد ترقيم الرسالة: 25045 ترقیم بيت الأفكار الدولية: 25559»
Brief Explanation
Benefits: … In reality, Sayyidah Aisha (radi Allahu anha) was not aware of those ahadith according to which the Prophet (sallallahu alayhi wa sallam) urinated while standing.