You can make this home remedy by combining ½ teaspoon of salt to 1 cup of warm water. Gargling with salt water is a common home remedy that generally helps with sore throats, colds, and mouth ulcers.

Gargling salt water is an effective home remedy for soothing ... It's important to use the appropriate ratio of salt and warm water. A simple recipe to follow at home is to mix half a teaspoon ...

It’s possible to just toss some salt in water, gargle it and hope for the best, but there is a general recipe you can follow. Dr. Natalia Kyriazidis, an ear, nose and throat physician at Mass ...