Light salt water is beneficial to cleaning the mouth and preventing oral organ infection. You can rinse your mouth with light salt water in the morning. Light salt water also has the function of raising blood pressure, which is used to prevent and treat hypotension.
Patients with inflammation such as oral cavity, gums and dental caries can drink a cup of light salt water with low blood pressure; Patients with hypotension can take light saline orally to prevent syncope caused by hypotension. Patients with hypertension are forbidden to drink light salt water.
Brackish water contains sodium. If the mouth is heavy at ordinary times, it is not recommended to drink light salt water, which will increase the burden on the kidneys. People with light mouth and low blood pressure can drink a little properly.