If afflicted by whisperings in prayer or recitation

Uthmaan Ibn al-'Aas (radhi-yAllaahu 'anhu) narrated: I said 'O Messenger of Allaah, verily the devil comes between me and my prayer and recitation making me confused' The Messenger of Allaah (sal-Allaahu 'alayhe wa sallam) replied: ''That is a devil called Khanzab, so if you sense his presence then seek refuge in Allaah from him and spit on your left side three times.''

أَعُوْذُ بِاللّٰهِ مِنَ الشَّيْطَانِ الرَّجِيْمِ

I seek refuge in Allah from Satan the outcast.

'A'oothu billaahi minash-Shaytaanir-rajeem.