A saline gargle involves dissolving common sodium chloride in potable water, followed by agitating the resulting solution in the oral cavity. The procedure typically lasts several seconds, after which the solution is expelled. The concentration of sodium chloride is a key variable, as excessively high concentrations can be irritating.
This practice is valued for its potential to alleviate minor oral discomfort and aid in the management of certain post-operative conditions. Its use has historical precedent in various cultures as a simple, accessible remedy for soothing irritated tissues. The mechanism of action is primarily attributed to the osmotic effect of the salt water, which can reduce edema and promote cleansing.