Bromide salts are chemical compounds that contain the bromide ion, Br-, which is derived from the element bromine. These salts are typically formed by the reaction of bromine with metals or organic compounds. Common examples include sodium bromide and potassium bromide, which are often used in various applications, including pharmaceuticals and photography. In medicine, bromide salts have historically been used as sedatives and anticonvulsants. They work by calming the nervous system, making them useful in treating conditions like epilepsy. However, their use has declined due to the development of newer medications with fewer side effects.