I have never seen anyone suffer more severe pain than the Messenger of Allah ﷺ.
ما رأيت أحدا أشد عليه الوجع من رسول الله ﷺ.
Bukhari narrated it in "The Sick" (5646), and Muslim in "Virtue and Kinship" (2570), both from the hadith of Shuba, from Amash, from Abu Waail (who is Shaqiq bin Salama), from Masruq, from Ayesha, who related it.