I have never seen pain more severe on anyone than it was on the Messenger of Allah ﷺ.
حدثنا محمود بن غيلان حدثنا أبو داود أخبرنا شعبة عن الأعمش قال سمعت أبا وائل يقول
ما رأيت الوجع على أحد أشد منه على رسول الله ﷺ
Agreed upon [by Bukhari and Muslim]. Bukhari narrated it in the Book of Illness, Chapter on the Severity of Illness, hadith no. 5646, and Muslim, hadith no. 2570, from the hadith of Shubah through this route, and it is found in Musnad Abu Dawud Tayalisi, hadith no. 1536.