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Acetylcysteine Solution

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Acetylcysteine Solution

ACETYLCYSTEINE SOLUTION, USP (n-acetyl-l-cysteine)

DRUG DESCRIPTION

Acetylcysteine is the nonproprietary name for the N-acetyl derivative of the naturally occurring amino acid, L-cysteine. Chemically, it is N-acetyl-L-cysteine.

The compound is a white crystalline powder which melts in the range of 104° to 110°C and has a very slight odor. The structural formula of acetylcysteine is:

Acetylcysteine structural formula illustration

C5H9NO3 .............. M.W.=163.19

Acetylcysteine Solution (n-acetyl-l-cysteine) , USP is supplied as a sterile unpreserved solution (not for injection) in vials containing a 10% (100 mg/mL) or 20% (200 mg/mL) solution of acetylcysteine as the sodium salt. The inactive ingredients are edetate disodium, sodium hydroxide and Sterile Water for Injection, USP. The pH of the solution ranges from 6.0 to 7.5. It is administered by inhalation or direct instillation for mucolysis, or orally for acetaminophen overdosage.

Last reviewed on RxList: 5/29/2008
This monograph has been modified to include the generic and brand name in many instances.

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