what does sodium chloride
1 Sodium chloride (salt) is used to replace low levels of sodium in the body and to wash out wounds and remove foreign bodies from eyes. 2  It is also used to mix with other medicines before they are given to patients.3  Sodium chloride in water is known as saline solution. It is also used to make up drug solutions. 2  Sodium chloride injection is used to replace sodium that has been lost from the body. 3  Sodium chloride tablets are used for the treatment and prevention of a lack of sodium chloride in the body (sodium chloride deficiency).