Chapter: The duty of Jihad is waived for those who have excuses
It has been narrated on the authority of Bara' who said: When the Qur'anic verse: Those who sit (at home) from among mu'min (iv. 94) was revealed, the son of Umm Maktum spoke to him (the Holy Prophet). (At this). the words: other than those who have a trouble (illness) were revealed.
Authentic