لَا بَأْسَ طَهُورٌ إِنْ شَاءَ اللَّهُ
La ba'sa, tahurun in sha Allah
No hay daño, es una purificación si Allah quiere.
Say to comfort a sick person when visiting them
The Prophet (PBUH) would say this to comfort the sick, reminding them that illness expiates sins.