Dua for pain relief

He complained to the Messenger of Allah ﷺ about a pain he had been feeling in his body since he embraced Islam. The Messenger of Allah ﷺ said to him, "Place your hand on the part of your body that hurts and say:

"bismillāhi", three times, and say, "aʿūdhu billāhi wa-qudratihī min sharri mā ajidu wa-uḥādhiru", seven times

("In the name of Allah" three times, then say, "I seek refuge with Allah and His power from the evil of what I find and fear.", seven times.  

أَنَّهُ شَكَا إِلَى رَسُولِ اللَّهِ ﷺ وَجَعًا يَجِدُهُ فِي جَسَدِهِ مُنْذُ أَسْلَمَ فَقَالَ لَهُ رَسُولُ اللَّهِ ﷺ ضَعْ يَدَكَ عَلَى الَّذِي تَأَلَّمَ مِنْ جَسَدِكَ وَقُلْ:

(بِاسْمِ اللَّهِ ثَلاَثًا وَقُلْ سَبْعَ مَرَّاتٍ أَعُوذُ بِاللَّهِ وَقُدْرَتِهِ مِنْ شَرِّ مَا أَجِدُ وَأُحَاذِرُ)