Fluorometholone (INN, BAN, JAN) (brand names Efflumidex, Flucon, FML Forte, FML, others), also known as 6α-methyl-9α-fluoro-11β,17α-dihydroxypregna-1,4-diene-3,20-dione, is a synthetic glucocorticoid which is used in the treatment of inflammatory eye diseases.[1][2][3] The C17α acetate ester, fluorometholone acetate (brand name Flarex), is also a glucocorticoid and is used for similar indications.[1][2][3]