It is narrated from a sheikh of Bakr bin Wa'il that once I went to Hazrat Samurah (may Allah be pleased with him) and he was having cupping done. He said, I heard the Prophet (peace and blessings be upon him) say that the best method of treatment for you is cupping.
Hadith Referenceمسند احمد / أول مسند البصريين / 20205
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد ضعيف لابهام الشيخ من بكر بن وائل