Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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Class II · Moderate risk Ongoing Initiated Jul 24, 2026 (3 months ago)

Acetylcysteine Solution

Class II — Moderate risk. May cause temporary or reversible harm; serious harm unlikely.

Why it was recalled

Presence of Particulate Matter: Product contaminated with particulate matter identified as hair, glass and/or paraformaldehyde

Cause type: Particulate / foreign matter

Visible foreign particles - glass, metal, fibers or other material - found in the product. Particles can enter from equipment wear, containers or the process, and are dangerous in injectables. All particulate / foreign matter recalls.

What was recalled

ACETYLCYSTEINE SOLUTION, USP, 10% (100 mg/mL), packaged in a) 4 mL Vial NOT FOR INJECTION (NDC 0517-7504-01), and b) 25x4 mL Vials NOT FOR INJECTION (NDC 0517-7504-25), Rx Only, AMERICAN REGENT, INC., SHIRLEY, NY 11967.

Affected NDCs 0517-7504-01 0517-7504-25

Compare with the code on your package — it is the most precise check available.

Drug: Acetylcysteine

Product details

From the FDA NDC directory, for the product code this recall names. Compare with the label on your package.

ProductStrengthForm & routeLabelerType
Acetylcysteine
NDC 00517-7504
100 mg/mL Inhalant
Respiratory (inhalation)
American Regent, Inc. Rx
Recalling firm
American Regent, Inc.
NDC code
0517-7504-01
Origin
NY, United States
Initiated by
Voluntary: Firm initiated
FDA recall number
D-0796-2026 · FDA notice

Check, then ask. Class II means harm is possible but usually temporary or reversible. Find the lot number on your package; if it matches, ask your pharmacist about a replacement. Do not simply stop a prescribed medication on your own - the gap can be riskier than the recall.

Other Acetylcysteine recalls

See all
Class II · Moderate risk

Acetylcysteine Solution

Presence of Particulate Matter: Product contaminated with particulate matter identified as hair, glass and/or paraformaldehyde

Ongoing Particulate / foreign matter American Regent, Inc. NDC 0517-7604-01 D-0797-2026
Class II · Moderate risk

ACETYLCYSTEINE OPTH 5% Solution

Lack of Assurance of Sterility: FDA inspection found the recalled products were produced in a manner than cannot guarantee the sterility of the products purported to be sterile.

Ongoing Sterility / contamination Pharmacy Plus, Inc. dba Vital Care Compounder D-0027-2023
Class II · Moderate risk

ACETYLCYSTEINE OPTH 10% Solution

Lack of Assurance of Sterility: FDA inspection found the recalled products were produced in a manner than cannot guarantee the sterility of the products purported to be sterile.

Ongoing Sterility / contamination Pharmacy Plus, Inc. dba Vital Care Compounder D-0026-2023
Class II · Moderate risk

Acetylcysteine 2% Opth Soln

Lack of Assurance of Sterility: FDA inspection raised sterility assurance concerns

Terminated Sterility / contamination First Royal Care Co. LLC, dba Red Mountain Compounding Pharmacy D-0054-2022

Other recalls by American Regent, Inc.

All 2026 recalls
Class I · High risk

Epinephrine Injection

Presence of Particulate Matter and Lack of Assurance of Sterility. Particulate matter identified as nylon, cellulosic, acrylic, polyethylene and glass and broken and leaking vials.

Ongoing Sterility / contamination American Regent, Inc. NDC 0517-3030-01 D-0865-2026
Class I · High risk

Papaverine HCl Injection

Presence of Particulate Matter: Product contaminated with particulate matter identified as glass and/or paraformaldehyde

Ongoing Particulate / foreign matter American Regent, Inc. NDC 0517-4002-01 D-0800-2026