The Messenger of Allah ﷺ visited an Arabi who was sick with fever to check on him and said, "It is an expiation and a purification."The Arabi replied, "Rather, it is a raging fever upon an old man, sending him to his grave."So the Messenger of Allah ﷺ got up and left him.
حدثنا عفان حدثنا حماد بن سلمة حدثنا أبو ربيعة
أن رسول الله ﷺ دخل على أعرابي يعوده وهو محموم فقال كفارة وطهور فقال الأعرابي بل حمى تفور على شيخ كبير تزيره القبور فقام رسول الله ﷺ وتركه