simply dissolve 5 ml of salt in 250 ml of warm water
Cough, use saline lavage through nasal passages, gargle with salt water.
For nasal irrigation, recommendations seem to run between 1/4 tsp per 8 oz. cup of water and 1/2 tsp. 1/4 tsp will roughly match the salinity of your body, and 1/2 will tend to draw some water out of your nasal membranes, since water will pass to the saltier side of the membrane.
We can use evaporation method. water will evaporate from saline water on heating and salt is left behind.
"Fresh water" the kind that comes from the tap has additives such as Fluorides. Eye drops are basically sterile water. Water alone is irritating to the eye. Tears are composed of water and salt so the eye drops that do not hurt, contain saline.
A water based lubricant. Most recomanded are a saline solution, which has a similar concentration to the levels maintained by the body.
Put 0.9g of Nacl in a beaker and add distilled water to make up to 100ml. that is 0.9% Nacl (Normal saline Solution) From Tade Olubunmi Ademola
The saline water is more viscous.
You can use a saline nasal spray. It is just a little bit of warm water that you use, it is supposed to help rinse out the irritating pollen.
because of salt content water is saline
The solute (NaCl) is dissolved in the solvent (water)
Blocked tear duct or sinus passage. Try washing eye out with warm water or using a saline nasal spray.
It puts fine water droplets in the air flow. This can increase humidity of the air you breath. If pure water mist is inhaled it can cause productive coughing ... in normal saline is nebulized it can ease breathing and/or liquefy mucous.