It wasnarrated that 'Aishah said:
"I used to enter the house torelievemyself, and there was a sick person there, and I only inquiredafterhim as I was passing through." She said: "And the Messenger ofAllah (ﷺ) would not enter the house except to relieve himself, thenthey were observing I'tikaf."
English reference: Vol. 1, Book 7, Hadith 1776
Arabic reference: Book 7, Hadith 1848