Zileuton Extended-Release Tablets recalled for failed dissolution specifications
Lupin Pharmaceuticals is recalling Zileuton Extended-Release Tablets, 600 mg, due to failed dissolution specifications found during stability testing that may affect medication efficacy.
The agency’s classification
FDA (Drugs): Class II
Class II is a situation in which use of or exposure to a violative product may cause temporary or medically reversible adverse health consequences, or where the probability of serious adverse health consequences is remote.
This is the agency’s own classification, taken from its notice. The severity score below is our assessment, not the agency’s. How recall classes work
What this means for you
Our assessment, not the agency’s: severity 3/5 (High).
Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.
Our severity reasoning: FDA Class II recall with no reported illnesses or injuries. Failed dissolution specifications represent a risk to drug efficacy. Per rubric, when no injuries are reported and the hazard is theoretical, the maximum score is 3.
Plain-English summary
Lupin Pharmaceuticals Inc. is recalling Zileuton Extended-Release Tablets, 600 mg, 120-count bottles (NDC 68180-169-16) due to failed dissolution specifications. Out-of-specification test results were observed during dissolution testing in a long-term stability study, indicating the tablets may not dissolve properly.
The affected lots are M100070, M100239 (expiring 06/22), M100312 (expiring 09/22), and M100366 (expiring 10/22). Approximately 3,216 bottles were distributed to 10 wholesalers and distributors and one mail order account, with potential nationwide distribution.
Consumers who have received tablets from the affected lots should contact their healthcare provider or pharmacist. Do not stop taking your medication without consulting your healthcare provider.
The recalled product
- Product
- Zileuton Extended-Release Tablets, 600 mg, 120-count bottle, Rx only, Manufactured for Lupin Pharmaceuticals, Inc., Baltimore, MD 21202 by Lupin Limited, Nagpur-441108, India, NDC 68180-169-16
- Manufacturer
- Lupin Pharmaceuticals Inc.
- Category
- Drug
- Affected units
- 3,216
Is your product affected?
Check your packaging against the codes below. If any of them match, the product is part of this recall.
Lot numbers (7)
- Lots: M100070
- M100239
- Exp. 06/22
- M100312
- Exp.09/22
- M100366
- Exp.10/22
Distribution
Distributed nationwide across the United States.
Related recalls
Same manufacturer · Lupin Pharmaceuticals Inc.
See all →- ModerateLupin Recalls Clobetasol Propionate Cream for Content Uniformity Failures
FDA (Drugs) · 2026-09-02
- SevereGlucagon Emergency Kit Recalled for Manufacturing Process Deviation
FDA (Drugs) · 2026-07-08
- HighPrednisolone Acetate Ophthalmic Suspension Recalled for Foreign Substance
FDA (Drugs) · 2026-07-08
- HighLiraglutide Injection Recalled Due to Particulate Matter in Cartridges
FDA (Drugs) · 2026-05-27
- ModerateGanirelix acetate injection recalled after failing an impurity specification
FDA (Drugs) · 2025-12-17
Same hazard · dissolution failure
See all →- ModerateApotex Recalls Paroxetine Hydrochloride Extended-Release Tablets for Dissolution Failure
FDA (Drugs) · 2026-10-07
- ModerateAjanta Pharma Recalls Ranolazine Tablets for Dissolution Failure
FDA (Drugs) · 2026-10-07
- ModerateMylan Recalls Mycophenolate Mofetil Injection Due to Dissolution Failures
FDA (Drugs) · 2026-09-09
- ModerateApotex Recalls Paxil Tablets for Failed Dissolution and Stability Testing
FDA (Drugs) · 2026-09-02
- ModerateMylan Recalls Acamprosate Calcium Tablets Due to Dissolution Failure
FDA (Drugs) · 2026-08-26
Similar recalls
- ModerateChiesi Recalls Zileuton Extended-Release Tablets Due to Dissolution Failure
FDA (Drugs) · 2019-06-19
- LowLupin Recalls Paroxetine Extended-Release Tablets Due to Dissolution Failure
FDA (Drugs) · 2017-07-19
- ModerateOxybutynin Extended-Release Tablets Recalled for Failed Dissolution Specifications
FDA (Drugs) · 2023-10-11
- ModerateChiesi Recalls ZYFLO CR Tablets Due to Dissolution Failure
FDA (Drugs) · 2019-06-19
- ModerateOxybutynin Extended-Release Tablets Recalled for Failed Dissolution Test Results
FDA (Drugs) · 2023-11-15
- ModerateLupin Recalls Duloxetine Capsules Due to Failed Dissolution Specification
FDA (Drugs) · 2017-12-06