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What is "Sodium Chloride" injections in first aid kits for?

Public Comments

1. They are saline solution - that is, salt water used for cleaning eyes and wounds.

2. Used commonly for intravenous infusion, rinsing contact lenses, and nasal irrigation.

Other concentrations of saline are frequently used for other purposes, such as supplying extra water to a dehydrated patient or supplying the daily water and salt needs ("maintenance" needs) of a patient who is unable to take them by mouth. Because infusing a solution of low osmolarity can cause problems, intravenous solutions with reduced saline concentrations typically have dextrose (glucose) added to maintain a safe osmolality while providing less sodium chloride.

3. Sodium Chloride (NaCl, or common table salt) is used to remove fluids from the body, or to clean a wound, although it stings very badly.