(181) باب فِي صَلاَةِ الْقَاعِدِ
'Imran b. Husain said :
I had a fistula; so I asked the prophet (ﷺ). He said: offer prayer in standing condition; if you are unable to do so, then in sitting condition: if you are then at your side(i.e, in lying condition). (RU)
Reference (RU): Sunan Abi Dawud 952 (RU)
In-book reference (RU): Book 2, Hadith 563 (RU)
English translation (RU): Book 2, Hadith 952 (RU)