What is sodium chloride?

Sodium chloride is the chemical name for salt. Sodium chloride can reduce some types of bacteria in certain body secretions, such as saliva.

Sodium chloride inhalation is used to produce sputum (mucus, or phlegm) from the mouth in order to collect it for medical testing. This medication may also be used to dilute other medications inhaled through a nebulizer.

Sodium chloride inhalation may also be used for other purposes not listed in this medication guide.


You should not use this medication if you have ever had an allergic reaction to sodium chloride inhalation.

If you have certain conditions, you may need a dose adjustment or special tests to safely use this medication. Before using sodium chloride inhalation, tell your doctor if you have:

  • asthma;
  • congestive heart failure;
  • heart disease or high blood pressure;
  • epilepsy;
  • kidney or liver disease;
  • migraine headaches;
  • any type of edema (swelling);
  • if you have recently had surgery; or
  • if you are on a low-salt diet.

FDA pregnancy category C. It is not known whether sodium chloride inhalation is harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether sodium chloride inhalation passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Follow your doctor’s instructions about any restrictions on food, beverages, or activity after using sodium chloride inhalation.

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Tell your caregivers at once if you think you have used too much of this medicine.

Overdose symptoms may include increased thirst, drowsiness, restless feeling, confusion, muscle pain or weakness, nausea, vomiting, increased urination, fast heart rate, fainting, and seizure (convulsions).

Since sodium chloride inhalation is sometimes used only as needed, you may not be on a dosing schedule. If you are using the medication regularly, use the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to make up the missed dose.

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Side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your caregivers at once if you have a serious side effect such as:

  • chest pain, trouble breathing;
  • feeling like you might pass out;
  • swelling in your hands or feet;
  • tired feeling, muscle twitching;
  • confusion, uneven heart rate, extreme thirst, increased or decreased urination, leg discomfort, muscle weakness or limp feeling.

Less serious side effects may include a salty taste or slight burning or irritation in your mouth.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

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Tell your doctor about all other medications you use, especially:

  • potassium supplements;
  • a diuretic (water pill);
  • a steroid such as prednisone, fluticasone (Advair), mometasone (Asmanex, Nasonex), dexamethasone (Decadron, Hexadrol) and others;
  • blood pressure medications; or
  • medications that contain sodium, such as Alka-Seltzer or Zegrid (omeprazole and sodium bicarbonate).

This list is not complete and there may be other drugs that can interact with sodium chloride inhalation. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Other Names

BD Normal Saline Flush, BD Posiflush SF, NaCl, Normal Saline Flush, Saljet Rinse, Saljet Sterile, Thermoject, salt, sodium chloride, Broncho Saline, Hyper-Sal, Sodium Chloride, Sodium Chloride, Inhalation, Sodium Chloride, Injectable, and Syrex

Available Strengths & Dosages

Route Form Strength
injectable solution 0.9%

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Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04

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