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Acetylcysteine (Oral)

Generic Name: Acetylcysteine [the-sweet-lil SIS-teen] [a-sweet-lil-SIS-teen]
Drug Classes: Antidotes, mucolytics

What is Acetylcysteine?

Acetylcysteine can be used to reduce or prevent liver damage that is caused by an excess dose of acetaminophen.This medication is only available upon prescription by your doctor.

Before you Take this Drug

If you decide to try a medication, the potential risks associated with taking it need to be considered in relation to its benefits. The decision is one both you and your doctor make. In this case, the following should be taken into consideration:


Discuss with your physician if you have experienced any unexpected or allergic reactions to this medication or other medications. Inform your healthcare specialist if you suffer from any other allergies, for example, to food items or dyes, as well as preservatives or even animals. When using products that are not prescription-only, you must look over the label or ingredients with care.


The appropriate studies regarding the relationship between age and the effect of acetylcysteine have not been conducted in the population of children. But none of the specific problems for children are known at this point.


Though appropriate studies regarding the connection between age and the effects of acetylcysteine have been done on the population of geriatrics, no specific geriatric issues have been identified to date. But patients who are elderly tend to be more susceptible to the effects of age on kidney, liver, or heart issues, which might require caution as well as an increase in doses for patients taking acetylcysteine.

Breast Feeding

There aren't enough studies on women to determine the risk to infants when taking this medication in the course of nursing. Be sure to weigh the benefits and risks of taking this medication when nursing.

What should be Avoided?

Your physician will be able to monitor the progress of your treatment closely when you're receiving this medication. It will enable your doctor to determine if the medication works as it should and if it is appropriate to keep receiving it. Tests for urine and blood may be necessary to look for undesirable adverse effects.

A serious allergic reaction may develop when you take this medication. Contact your doctor immediately if you are having difficulty swallowing or breathing, fever, itching, hives, rashes, nausea, or swelling of the skin, particularly near the ears or eyes. You may also experience swelling on the face, on the inside of your nose, or a sudden weakness or fatigue.

The medicine could increase your risk of bleeding from your stomach or esophagus. Inform your physician if you are experiencing persistent or severe nausea after taking this medication.

Side effects of Acetylcysteine

In addition to their beneficial results, medicines can produce unwanted side effects. While not all adverse effects can happen, if they do, they could require medical attention.

Consult your physician or nurse right away in the event that you experience any of these adverse effects:

Mild Side Effects

  • Trouble breathing or swallowing

  • Febrile

  • Hives or itching

  • Nausea

  • Itchy rash, with or without fever

  • The skin is reddened, particularly in the ear area.

  • Severe or ongoing vomiting

  • The eyes are swollen either on the face or on the inside of the nose.

  • abnormal tiredness, weakness, or muscle weakening or

There are some side effects that can occur, but they usually do not require medical treatment. They may fade in the course of treatment as your body adapts to the medication. In addition, your healthcare expert may give you suggestions to reduce or prevent the effects of these adverse reactions. Consult your health care specialist if any of the adverse reactions listed above persist or become bothersome, or if you have questions regarding these:

Advance Side Effects

  • Nausea mild

  • stomach upset

  • vomiting

Some other side effects that aren't listed can also happen in certain patients. If you notice any other side effects, talk to your doctor.

Interactions with Other Drug

Certain medicines shouldn't be combined in any way. In other instances, two medicines can be combined even though interactions could occur. In such cases, the doctor might decide to adjust the dose or take other measures that may be required. In the event that you're receiving the medication, it's crucial that you let your medical doctor know that you're using any of the medications mentioned below. These interactions have been chosen based on their possible significance and may not be all-inclusive.

The combination of this medicine and any one of these medicines can increase the possibility of some negative side effects. However, having both medications in combination could be the ideal option for you. If the two medicines are prescribed in combination, your physician may modify the dose or how often you are using one or both medications.

  • Carbamazepine

  • Nitroglycerin