it was narrated that a man complained of fever to the messenger of god may god bless him and grant him peace. the messenger of god may god bless him and grant him peace said to him wash yourself three times before sunrise and say in the name of god and by god. go o umm mildam. if it does not go away then wash yourself seven times.
وروي أن رجلا الحمى إلى رسول الله فقال له رسول الله اغتسل ثلاث مرات قبل طلوع الشمس وقل بسم الله وبالله اذهبي يا أم ملدم فإن لم تذهب فاغتسل سبعا 