Can Muslims Smoke Vape Both rokok and vape difatwakan haram : r malaysia Islamic Perspective on Smoking and Vaping: What You Need to Know From The Chaplain's Desk: The Long And Short Of Vaping MuslimMatters.org Vaping, e cigarettes still 'haram', says minister FMT Does Vaping Break Your Fast?, Sayyid Kashmiri explains that, according to Sayyid Sistani, both vaping and smoking invalidate the fast as a matter of obligatory precaution.