If youâre using B vitamins to help prevent hot flashes, be sure to use the form of niacin called niacinamide. Other forms of niacin dilate the blood vessels, which can cause flushing and worsen hot flashes, rather than relieve them. Folic acid helps the body manufacture and use estrogen.
Soliris wins the prize as the most expensive drug in the United States. Unlike many of the drugs on this list, at least Soliris can claim to be a very effective drug, treating paroxysmal nocturnal hemoglobinuria, a disorder affecting about 8,000 Americans.
Pharmaceuticals are big business in the United Statesâin 2013 alone, spending reached $329 billionâbut the driving force isnât common medications. In fact, none of the 25 most commonly prescribed medications even crack the top 25 highest-grossing drugs. Thatâs because the highest-grossing drugs are all name brands, and the most commonly prescribed drugs are generics. READ MORE: How to Get Cheap Prescriptions.