• Poisoning/overdose

Cetylev Generic Name & Formulations

General Description

Acetylcysteine 0.5g, 2.5g; effervescent tabs for oral soln; lemon-mint flavor; contains sodium bicarbonate.

How Supplied

Tabs—2x10 (blister packs)

Generic Availability


Cetylev Indications


To minimize hepatic injury after acetaminophen overdose in patients with acute ingestion or from repeated supratherapeutic ingestion (RSI).

Cetylev Dosage and Administration

Adults and Children

Acute ingestion: assess history and timing of acetaminophen ingestion and obtain serum acetaminophen level at least 4hrs post-ingestion. If time of ingestion is unknown: give loading dose immediately and obtain acetaminophen level to determine need for continued treatment. If serum acetaminophen level unobtainable within 8hr interval or if toxicity evident: give loading dose immediately then continue for a total of 17 doses. If >8hrs post-ingestion and time of ingestion is known, give loading dose immediately and obtain acetaminophen level to determine need for continued treatment. If <8hrs post-ingestion and time of ingestion and the acetaminophen level are known, plot level on Rumack-Matthew nomogram to determine whether or not to initiate treatment (see full labeling). Loading dose: 140mg/kg. Maintenance dose: 70mg/kg every 4hrs for a total of 17 doses. May be administered by nasoduodenal tube or can consider IV form if unable to retain Cetylev. For weight-based dosage and others: see full labeling. RSI: obtain acetaminophen level and other lab tests for guidance; or, contact regional poison center.

Cetylev Contraindications

Not Applicable

Cetylev Boxed Warnings

Not Applicable

Cetylev Warnings/Precautions


Discontinue if hypersensitivity reactions occur unless necessary and reactions can be controlled. Risk of upper GI hemorrhage risk in those with esophageal varices or peptic ulcers. Monitor AST, ALT, bilirubin, INR, creatinine, BUN, blood glucose, electrolytes. CHF, hypertension, renal impairment: consider total sodium intake. Pregnancy. Nursing mothers.

Cetylev Pharmacokinetics

See Literature

Cetylev Interactions

Not Applicable

Cetylev Adverse Reactions

Adverse Reactions

Nausea, vomiting, other GI symptoms, rash with/without fever; upper GI hemorrhage.

Cetylev Clinical Trials

See Literature

Cetylev Note

Not Applicable

Cetylev Patient Counseling

See Literature