It was narrated that Zaid bin Arqam said: "The Messenger of Allah said: “These Hushush (waste areas) are visited (by devils), so when anyone of you enters, let him say: “Allahumma inni a`udhu bika minal-khubthi wal-khaba'ith (O Allah, I seek refuge with You from male and female devils).'" (Sahih) Other chains with similar wording””
SahihSahihSahihBook 1 · Hadith 30