Why Is Sodium Chloride Given To Patients?

Sodium chloride

Sodium chloride, known as salt, is a basic compound our body uses to:

  • Absorb nutrients
  • Maintain blood pressure and the right balance of fluid
  • Carry nerve signals
  • Contract and relax muscles

Salt is an inorganic mixture, meaning it doesn’t come from living matter. Instead, it’s made when sodium (Na) and chloride (Cl) form white, crystalline cubes.

Your body needs salt to your body function properly, but too much salt can harm your health.

While salt is used for cooking, it can also be an ingredient in foods or cleaning solutions. In medical cases, your doctor will introduce sodium chloride in injection. Read on to see why and how sodium chloride plays a vital role in your body.

I have already shared a post related to this topic: What Vitamins And Minerals Are Good For the Brain?. I hope you read this post.

Sodium Chloride
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Table of Contents

Difference between salt and sodium

Even though several people use the words sodium and salt conversely, but they are different. Sodium is a nutrient that’s naturally occurring. So such unprocessed foods like fresh vegetables and fruits can naturally have sodium. Baking soda has sodium too.

But about 75 to 90% of the sodium we get comes from salt added to our foods. So the weight of salt rusted is a combination of 40% sodium and 60% chloride.

Why is sodium chloride given to patients?

Sodium chloride 23.4% injection is used to replace lost water and salt in your body due to some conditions ( hyponatremia or low salt syndrome). In addition, it is used for total parenteral nutrition or carbohydrate-containing IV fluids.

Sodium Chloride IV fluids are used for the treatment of fluid loss and to restore sodium chloride. It is used in the treatment of patients who are unable to get fluids and nutrients by mouth. In addition, it is used for dilution of other medicines before injection into your body.

You must read this article: How Do You Know If You Are Dehydrated?

How can you use sodium chloride?

The common use for salt is in your food. Its uses include:

  • food flavoring.
  • Acting as a natural preservative.
  • Enhancing the actual colors of foods.
  • Curing, or preserving, meats.
  • Creating a brine for marinating foods.

There’s a wide variety of household uses, such as:

  • Cleaning pans and pots. 
  • Preventing mold.
  • Removing grease and stains.
  • Salting roads in the winter to prevent stops.

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Sodium chloride is used medically.

When the doctor prescribes treatment with salt, they’ll use sodium chloride. It mixed with water creates a saline solution, which has several different medical purposes.



IV drips

to treat dehydration and electrolyte imbalances; can mixed with sugar

Saline flush injections

to flush a catheter and IV after the medication is administered

Eye drops

to treat eye redness, dryness, and tearing

nasal drops

to clear congestion and reduce postnasal drip and keep the nasal cavity moist

Cleaning wounds

to wash and clean for a clean environment

Sodium chloride inhalation

to help create mucus, so you cough it out


How much salt should you eat?

Although sodium is different, salt is 40% sodium, and we get our sodium intake from salt. Several companies and restaurants use salt to preserve and flavor their food. One teaspoon (tbsp) of salt has about 2,300 milligrams of sodium, and it’s easy to go over the daily value.

According to the CDC, American eats over 3,400 milligrams each day. You can be limit your sodium intake by eating unprocessed foods. You also find it to manage your sodium intake by making more meals at home.

What does the body use sodium chloride for?

Nutrient absorption and transportation

Sodium chloride plays an important role in your small intestine. Sodium helps the body absorb:

  • Sugar
  • Chloride
  • Water
  • Amino acids

When it’s in the term of hydrochloric acid, chloride is a component of gastric juice. It helps the body digest and consumes nutrients.

I also wrote an article on: When To Take Amino Acids?. Also you can read.

Maintaining resting energy

Potassium and sodium and are electrolytes in the liquid outside and inside your body cells. The balance between certain particles contributes to how your cells keep your body’s energy.

You must read this post: Does Coconut Water Have Electrolytes?

Side effects

For the many parts, sodium chloride isn’t a health risk, but in extreme amounts, it can irritate your:

  • Skin
  • Eyes
  • Airways
  • Stomach

You can treat your irritation, depending on the area, by cleaning the spot with plain water or taking fresh air. Seek medical help if your irritation doesn’t stop.

Excess salt

While sodium is necessary, it’s also in high amounts of everything we eat. Eating too much salt is connected to:

  • High blood pressure
  • Heart disease 
  • Kidney disease
  • Dehydration

is sodium chloride the same as saline?

Saline solution is a mixture of water and salt. For example, a normal saline solution contains 0.9% sodium chloride (salt), similar to sodium absorption in blood and tears. Thus, saline solution is called normal saline, but it’s seldom physiological or isotonic saline.

Saline has uses in medicine. For example, it’s used to clean clear sinuses, wounds and treat dehydration. It can be applied or used intravenously. Saline solution is available at the local pharmacy, but you can make it at your home.

To learn more, you can read: Can A Sinus Infection Cause High Blood Pressure, Body Aches, And Shortness Of Breath?


About 90% of our sodium intake comes from salt or sodium chloride. Salt provides a vital mineral that our bodies use to maintain blood pressure and absorb nutrients. You can use salt to season foods, clean household items, and address some medical issues.

The extra salt can lead to bigger health concerns like kidney disease, high blood pressure, and heart disease. Lowering your salt consumption while increasing how much potassium you get helps lower your risk for those conditions.

You consult with your doctor before adding more extra sodium chloride to your diet.

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