Is Vaping Haram? Health Effects & Islamic Perspective Can Muslims Vape Vape: Sabah Fatwa Council Declares Vaping As "Haram" For Muslims Can Muslims Smoke Vape Does Vaping Break Your Fast In Islam Better Is Vaping Considered Haram Can Muslims Vape Vape fatwa not legally binding on Muslims, say lawyers Is vaping halal? Vaping Post 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.