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Acetylcysteine (Injection)

Acetylcysteine (a-seet-il-SIS-teen)

Helps prevent liver damage caused by an overdose of acetaminophen (Tylenol®).

Brand Name(s):

Acetadote, Novaplus Acetylcysteine

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not receive this medicine if you have had an allergic reaction to acetylcysteine.

How to Use This Medicine:

Injectable

  • This medicine will be given to you while you are in the hospital. It is put directly into your body through one of your veins. This is called intravenous, or IV.
  • A nurse or other health provider will give you this medicine.
  • This medicine works best when given within 8 to 10 hours after the overdose.
  • Usually, you will get a dose of the medicine right away. Then, you will continue to get the medicine for about 20 hours. During this time, you will be watched closely to make sure the medicine is working, and not causing unwanted side effects.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

  • Make sure your doctor knows if you are pregnant or breast feeding, or if you have asthma or other breathing problems.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Chest pain.
  • Facial flushing (redness), or rash.
  • Redness, pain, or swelling where the IV is given.
  • Swelling in your hands, ankles, or feet.

If you notice these less serious side effects, talk with your doctor:

  • Coughing, hoarseness, or sore throat.
  • Eye pain.
  • Mild nausea, or vomiting.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 7/4/2014


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