ENOfficial
He reported God’s messenger as saying: “Do not afflict your children by squeezing for a swelling in the uvula, but apply costus.” (Bukhari and Muslim .)
Source: sunnah.com
Other translations
Arabic
وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا تُعَذِّبُوا صِبْيَانَكُمْ بِالْغَمْزِ مِنَ الْعُذْرَةِ عَلَيْكُمْ بِالْقُسْطِ»
sunnah.com