It is narrated from Sayyiduna Ibn Amr, may Allah be pleased with him, that the Noble Prophet, peace and blessings be upon him, said: "Whoever drinks alcohol, flog him. If he drinks again, then flog him. If he drinks a third time, then flog him. And on the fourth occasion, he said: 'Kill him.'"
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 7003
Hadith Gradingحکم دارالسلام:صحيح بشواهده، وهذا إسناد ضعيف لضعف شهر بن حوشب.