Skip to Content

Mucomyst-10 (inhalation)

Generic Name: acetylcysteine (inhalation) (a SEET il SIS teen)
Brand Name: Mucomyst-10

What is Mucomyst-10?

Acetylcysteine is a drug that breaks down mucus, the substance that lubricates many parts of the body such as the mouth, throat, and lungs.

Mucomyst-10 is used to thin the mucus in people with certain lung conditions such as cystic fibrosis, emphysema, bronchitis, pneumonia, or tuberculosis. This medicine is also used during surgery or anesthesia, and to prepare the throat or lungs for a medical test.

Mucomyst-10 may also be used for purposes not listed in this medication guide.

Important Information

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Before taking this medicine

You should not use Mucomyst-10 if you are allergic to it.

To make sure this medicine is safe for you, tell your doctor if you have asthma.

FDA pregnancy category B. Mucomyst-10 is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether Mucomyst-10 passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

How should I use Mucomyst-10?

Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.

Do not use Mucomyst-10 at home if you do not fully understand all instructions that are specific to your use of this medicine.

Mucomyst-10 solution can be inhaled directly from the nebulizer or with a face mask, mouth piece, tent, or intermittent positive pressure breathing (IPPB) machine.

Use only the inhaler device provided with your medicine or you may not get the correct dose.

Do not place this medicine directly into a heated nebulizer medicine chamber.

Do not mix your dose of Mucomyst-10 until you are ready to use the medicine. Diluted this medicine must be used within 1 hour of mixing.

Mucomyst-10 liquid may change color once you have opened the bottle. This is caused by a chemical reaction and will not affect the medicine.

You may sense an unusual or unpleasant smell while using Mucomyst-10. This effect should become less noticeable the longer you use the medicine.

Clean your nebulizer right after each use. The residue from Mucomyst-10 can clog the parts of the nebulizer.

Store an unopened vial (bottle) of Mucomyst-10 at room temperature, away from moisture and heat.

An opened acetylcysteine vial should be stored in a refrigerator, but you must use it within 96 hours (4 days) after opening. Do not allow the medicine to freeze.

What happens if I miss a dose?

Use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while using Mucomyst-10?

Do not mix other medicines in a nebulizer with Mucomyst-10, unless your doctor has told you to.

Mucomyst-10 side effects

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

Stop using Mucomyst-10 and call your doctor at once if you have:

  • chest tightness; or

  • trouble breathing.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Mucomyst-10?

Other drugs may interact with acetylcysteine inhalation, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?

  • Your doctor or pharmacist can provide more information about Mucomyst-10.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
  • Disclaimer: 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 1996-2012 Cerner Multum, Inc. Version: 2.01.

Last reviewed: February 27, 2014
Date modified: February 01, 2018

Hide