👉 Sulfanilamide, also known as sulfaquinoxaline, is a type of anesthetic and antidepressant that was used in the 1920s to treat various conditions such as post-traumatic stress disorder (PTSD), anxiety disorders, and depression. It has been found to have sedative effects, but it can also be toxic if taken in excess. Sulfanilamide is a white or yellowish powder that has a bitter taste and is used in