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Saline solution: what is it, what is it for and how to prepare it

by Alivia Nyhan
Published: Last Updated on

On many occasions we have needed a saline solution, also commonly known as a physiological solution. Its use is very wide and goes from the hospital part to the house where it is very useful for the whole family; It is usually used for a nasal or wound wash, it is of great help both at the hospital level for health professionals and at home.

We are all exposed to various situations where we have required this solution. Its use is greater in children, especially to clean and keep the nasal passages moist and permeable, but also to treat wounds. It is a product that you can buy at the pharmacy level or even prepare at home under certain hygiene measures that guarantee its use. We invite you to read the following FastlyHealarticle, in which the doubt of what saline solution is , what it is for and how to prepare it will be cleared up .

What is saline solution

Saline solution, also known as physiological solution, is a liquid composition made up of water and salt in the same proportion as the fluids in our body. The saline solution should contain 9 grams of sodium chloride (salt) for every liter of water. In this way, it can be applied without any inconvenience at the level of mucous membranes, in the eyes or wounds in cases where cleaning or hydration of some of these areas is required.

What is saline solution for?

The physiological saline solution or serum has multiple uses within which are:

For the eyes

The products that are placed in the eyes must be sterile for both external and internal use, their uses at the ocular level can be in cases of conjunctivitis , dry eye, or extraction of a foreign body through washing to avoid injuring the eyeball.

Washing of wounds and burns

It is vitally important to wash the wounds or scratches to avoid infections caused by contamination by dust or contaminating particles before proceeding to disinfect them. It is also used to avoid contamination, in newly made tattoos. Believe it or not, tattoos are also wounds that require cleaning before and after the procedure.

Nasal washing and humidification of the mucosa

The physiological saline is of great help for people who have babies, with it, the nostrils of babies are kept clean and clear. In this way they can breathe calmly without the presence of obstacles. You can use it from the youngest to the oldest in the family. In addition to cleaning the nasal mucosa, it hydrates it and keeps it humidified to prevent dryness of the mucosa.


It is used to clean the oral area after interventions carried out in the mouth.

How many types of saline solution are there?

This solution can be purchased in a pharmaceutical establishment where it will be obtained in different presentations depending on the use to which it is going to be destined, among which are:

  • Ampoules: this type of presentation is used more frequently at home due to the practicality of its presentation to manipulate and dose it. They come in a quantity of 5 ml sterile, so the risk of contamination is avoided and in most cases it is used in its entirety. This presentation is the most used for nasal, eye or small wound washing.
  • Bottles: under this presentation it comes in 250ml, 500ml and 1 liter, this presentation is sterile and must be used in its entirety to avoid contamination, it must be extracted from the container through a syringe to avoid contamination of the rest of the solution and use it. in the shortest possible time.

It can also be presented in the form of drops and spray, both are very useful for nasal washes.

Do you know how to prepare saline solution?

It is very easy to do and you can prepare this saline solution at home . It consists of mixing:

  • 1 liter of boiled water.
  • 1 tablespoon of salt.
  • 1 teaspoon of baking soda.

This is the way to obtain a sterile saline solution suitable for use. Through this solution, nasal, wound or eye washing can be performed if necessary.

It is a natural remedy that can be used by anyone who requires it, from children to the elderly . It has no contraindications, it can be applied without any risk to the person who needs it. It can be used without risk of interaction with other drugs.

This solution should never be lacking in the first aid kit due to its many uses and benefits that are obtained through it. Do not hesitate to consult your doctor, he will be the one to guide you on when and how to use it when you need it.

This article is merely informative, at FastlyHeal .com we do not have the power to prescribe medical treatments or make any type of diagnosis. We invite you to see a doctor in the case of presenting any type of condition or discomfort.

If you want to read more articles similar to Saline solution: what it is, what it is for and how to prepare it , we recommend that you enter our category of Medication and medical tests .

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