Does Vaping Break Your Fast? Here's What You Need to Know Why Is My Vape Blinking and Not Hitting? Fix Guide Is Vaping Considered Haram or Halal? What You Should Know My Vapery UK Vaping Cessation Do Nicotine Pouches Break a Fast? Yes and Here's How 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.