I was a man who suffered frequently from prostatic fluid, so I asked the Prophet ﷺ about it, and he said, "It requires ablution."
حدثنا عبد الله حدثنا إسحاق بن إسماعيل حدثنا محمد بن فضيل عن يزيد بن أبي زياد عن عبد الرحمن بن أبي ليلى قال سمعت
كنت رجلا مذاء فسألت النبي ﷺ فقال فيه الوضوء
Its isnad is sahih. Ishaq bin Ismail is al-Talaqani, with a fatha on the lam, and he is trustworthy. Muhammad bin Fudayl bin Ghazwan, with a fatha on the ghayn and a sakin on the zay, is trustworthy, truthful, and firm.The hadith is an abridgment of 869, and see 870.