Ma'qil b. Yasar reported God’s messenger as saying:
“Cupping on Tuesday the 17th of the month is a cure for a year’s illness.”
Harb b. Isma'il al-Kirmani, Ahmad’s companion, transmitted it, but his isnad is worthless. Thus it is stated in al-Muntaqa.
Razin transmitted something to the same effect on the authority of Abu Huraira.