Upon sneezing1 du'a
When you sneeze, then say: All praises and thanks are to Allah. Your companion should say: May Allah...
(الْحَمْدُ لِلَّهِ) (يَرْحَمُكَ اللَّهُ) (يَهْدِيكُمُ اللَّهُ وَيُصْلِحُ بَالَكُمْ)
"When you sneeze, then say: All praises and thanks are to Allah. Your companion should say: May Allah have mercy upon you. …"