Chehrazi was one of the founders and secretary of the Association for Combating Opium and Alcohol and the representative of the University of Tehran School of Medicine in the commissions related to alcohol and opium. With the formation of the first popular organization called the “National Association for Combating Opium and Alcohol” in 1943, he accused the government of shortcomings in the fight against drugs and alcohol. In 1945, the four-story building of Aria Hospital on Keshavarz Boulevard, then 30 meters from the Karaj River, was established by Ebrahim Chehrazi.