One popular type of IV hydration therapy is the Myers Cocktail. The Myers Cocktail is a specific combination of vitamins and minerals that is delivered directly into the bloodstream through an IV. The cocktail is named after John Myers, a physician who developed the formula in the 1970s. The Myers Cocktail is often used to treat a range of health conditions, including chronic fatigue syndrome, fibromyalgia, and migraines.Another popular type of IV hydration therapy is IV vitamin therapy.