Du'a for heart pain

ٱلَّذِينَ ءَامَنُواْ وَتَطۡمَئِنُّ قُلُوبُهُم بِذِكۡرِ ٱللَّهِۗ أَلَا بِذِكۡرِ ٱللَّهِ تَطۡمَئِنُّ ٱلۡقُلُوبُ

Allatheena Aamanu Wa Tatmainna Qolobohom Bi Thiker Allah Illa Bi Thikir Allah Tatmaen Al Qoloob (28) Surat Ar Ra’d

Who have believed and whose hearts have rest in the remembrance of Allah. Verily in the remembrance of Allah do hearts find rest