Snot and nasal congestion is a problem that almost all parents and children face in the fall. Pediatric neonatologist Anna Volik told what solutions are best for washing the nose and whether it is possible to prepare them yourself.
Saline solution is most often used for washing the nose. It is considered the most effective remedy for nasal congestion.
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“The mucosa of the nasal cavity traps and neutralizes the microbes that we breathe in with the air. During SARS, the number of pathogens increases many times, and it is important to remove them from the nasal cavity in time,” the expert says.
Unlike adults, babies cannot blow their nose on their own. Therefore, in order to remove dust and microbes from the mucous membranes, rinsing is necessary. You can wash your child's nose from birth. Salt solutions are used for this.
Some parents prefer to cook them on their own. The pediatrician does not recommend doing this due to the fact that it is difficult for the eye to keep proportions. In addition, it is impossible to ensure sterility at home.
You can buy a saline solution at any pharmacy. There are several varieties: hypotonic, isotonic and hypertonic. The variety depends on the composition and on the percentage of salt content.
In isotonic solutions, the salt content is as close as possible to their content in the body. Such solutions are necessary for the treatment of mild forms of SARS and colds.
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The highest percentage of salts in hypertonic solutions, they have the maximum concentration of salts. Such a solution is good for relieving edema, making breathing easier.⠀ Has a bactericidal effect.
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For prevention purposes, saline solutions can be used once a day, in the treatment of a disease — as needed. 
Anna Volik Health Pediatrician, neonatologist