The Prophet ﷺ said, "When one of you drinks, he should not breathe into the vessel. When he enters the toilet, he should not wipe himself with his right hand. And when he urinates, he should not touch his private parts with his right hand."
حدثنا محمد بن أبي عدي عن الحجاج عن يحيى بن أبي كثير
أن النبي ﷺ قال إذا شرب أحدكم فلا يتنفس في الإناء وإذا دخل الخلاء فلا يتمسح بيمينه وإذا بال فلا يمس ذكره بيمينه
Its isnad is sahih, like the previous one. The hadith was narrated by Bukhari 1/253, no. 153 Fath, in wudu, the prohibition against using the right hand for cleaning oneself after relieving oneself, and Muslim 1/225, no. 267, in purification, the prohibition against such cleaning, and Abu Dawud 1/8, no. 31, and Tirmidhi 1/23, no. 15, who said, hasan sahih, and Ibn Majah 1/113, no. 310.19313m - Yahya bin Abu Kathir said, Abdullah bin Abu Talha told me that the Prophet ﷺ said, "When one of you eats, let him not eat with his left hand, and when he drinks, let him not drink with his left hand, and when he takes something, let him not take it with his left hand, and when he gives something, let him not give it with his left hand."Sahih (19313m). Its isnad is sahih, previously mentioned at 8574.