This medication is used to prevent liver damage from acetaminophen overdose.

How to use Acetylcysteine Tablet, Effervescent

Read the Patient Information Leaflet if available from your pharmacist before you start taking acetylcysteine. If you have any questions, ask your doctor or pharmacist.

Take this medication only by mouth as directed by your doctor, usually every 4 hours for the number of prescribed doses. The dosage is based on your weight, medical condition and response to treatment.

Dissolve the prescribed number of tablets in water. If you weigh more than 42 pounds (19 kilograms) but less than 132 pounds (60 kilograms), use 5 ounces or 150 milliliters of water. If you weigh 132 pounds or more, use 10 ounces or 300 milliliters. After the tablets are fully dissolved, drink the solution right away. Once dissolved in water, this medication should be taken within 2 hours.

If you weigh 42 pounds or less, ask your doctor how much water you should use to dissolve the tablets. Follow your doctor's directions and carefully measure the prescribed dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.

Tell your doctor if you vomit within 1 hour after taking your medication. You may need to take another dose.

Remember to take each of the prescribed doses of this medication to get the most benefit from it.

Tell your doctor if your condition gets worse.

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.