Description
Acetylcysteine injection is used to help prevent or lessen liver damage caused by an overdose of acetaminophen.
This medicine is to be given only by or under the direct supervision of your doctor.
This product is available in the following dosage forms:
- Solution
Before Using
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Appropriate studies have not been performed on the relationship of age to the effects of acetylcysteine injection in children weighing less than 5 kilograms (kg). Safety and efficacy have not been established.
Geriatric
No information is available on the relationship of age to the effects of acetylcysteine injection in geriatric patients.
Breastfeeding
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Drug Interactions
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Carbamazepine
- Nitroglycerin
Other Interactions
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Asthma or
- Bronchospasm, history of—Use with caution. May make these conditions worse.
Proper Use
A nurse or other trained health professional will give you this medicine in a hospital. This medicine is given through an IV catheter that is placed in one of your veins.
This medicine works best when it is given as close to the time of the overdose as possible. The more time that goes by after the overdose, the less effective the medicine will be in protecting your liver.
Precautions
Your doctor will check your progress closely while you are receiving this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to receive it. Blood tests may be needed to check for unwanted effects.
This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Check with your doctor right away if you have chest tightness, cough, difficulty swallowing, dizziness, fast heartbeat, hives, itching, skin rash, puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue, trouble breathing, or unusual tiredness or weakness.
Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur:
More common
- Chest tightness
- fast heartbeat
- feeling of warmth
- fever
- hives or welts, itching, or skin rash
- hoarseness
- irritation
- joint pain, stiffness, or swelling
- redness of the face, neck, arms, and occasionally, upper chest
- redness of the skin
- swelling of the eyelids, face, lips, hands, or feet
- trouble breathing or swallowing
Less common
- Cough
- fast, pounding, or irregular heartbeat or pulse
- noisy breathing
Rare
- Confusion
- dizziness
- dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- sweating
- unusual tiredness or weakness
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
- Nausea
- vomiting
Less common
- Body aches or pain
- dryness or soreness of the throat
- fever
- hoarseness
- stuffy or runny nose
- tender, swollen glands in the neck
- voice changes
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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