SKELAXIN ® (Metaxalone) Tablets

Manufacturer
Blenheim Pharmacal, Inc.
Effective date
2015-03-19
Label type
HUMAN PRESCRIPTION DRUG LABEL
Version
1
Source
full-release
Hydrated at
2026-05-31 20:20:32

Label at a glance#

ProductSKELAXIN
Active ingredientMETAXALONE
Label structure11 sections

Indications and uses

SKELAXIN (metaxalone) is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomforts associated with acute, painful musculoskeletal conditions. The mode of action of this drug has not been clearly identified, but may be related to its sedative properties. Metaxalone does not directly relax tense skeletal muscles in man.

Dosage and administration

The recommended dose for adults and children over 12 years of age is one 800 mg tablet three to four times a day.

Label contents#

Full prescribing information#

CLINICAL PHARMACOLOGY

CLINICAL PHARMACOLOGY SECTION

Mechanism of Action

MECHANISM OF ACTION SECTION

The mechanism of action of metaxalone in humans has not been established, but may be due to general central nervous system depression. Metaxalone has no direct action on the contractile mechanism of striated muscle, the motor end plate, or the nerve fiber.

Pharmacokinetics

PHARMACOKINETICS SECTION

The pharmacokinetics of metaxalone have been evaluated in healthy adult volunteers after single dose administration of SKELAXIN under fasted and fed conditions at doses ranging from 400 mg to 800 mg.

Absorption

SPL UNCLASSIFIED SECTION

Peak plasma concentrations of metaxalone occur approximately 3 hours after a 400 mg oral dose under fasted conditions. Thereafter, metaxalone concentrations decline log-linearly with a terminal half-life of 9.0 ± 4.8 hours. Doubling the dose of SKELAXIN from 400 mg to 800 mg results in a roughly proportional increase in metaxalone exposure as indicated by peak plasma concentrations (C max) and area under the curve (AUC). Dose proportionality at doses above 800 mg has not been studied. The absolute bioavailability of metaxalone is not known.

The single-dose pharmacokinetic parameters of metaxalone in two groups of healthy volunteers are shown in Table 1.

Table 1: Mean (%CV) Metaxalone Pharmacokinetic Parameters
Dose (mg) C max (ng/mL) T max (h) AUC ∞ (ng•h/mL) t ½ (h) CL/F (L/h)
400 1 983 (53)3.3 (35)7479 (51)9.0 (53)68 (50)
800 2 1816 (43)3.0 (39)15044 (46)8.0 (58)66 (51)
1Subjects received 1x400 mg tablet under fasted conditions (N=42)

2Subjects received 2x400 mg tablets under fasted conditions (N=59)

Distribution, Metabolism, and Excretion

SPL UNCLASSIFIED SECTION

Although plasma protein binding and absolute bioavailability of metaxalone are not known, the apparent volume of distribution (V/F ~ 800 L) and lipophilicity (log P = 2.42) of metaxalone suggest that the drug is extensively distributed in the tissues. Metaxalone is metabolized by the liver and excreted in the urine as unidentified metabolites.  Hepatic Cytochrome P450 enzymes play a role in the metabolism of metaxalone.  Specifically, CYP1A2, CYP2D6, CYP2E1, and CYP3A4 and, to a lesser extent, CYP2C8, CYP2C9, and CYP2C19 appear to metabolize metaxalone.

Metaxalone does not significantly inhibit major CYP enzymes such as CYP1A2, CYP2A6, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP2D6, CYP2E1, and CYP3A4. Metaxalone does not significantly induce major CYP enzymes such as CYP1A2, CYP2B6, and CYP3A4 in vitro.

Pharmacokinetics in Special Populations

SPL UNCLASSIFIED SECTION

Age:

SPL UNCLASSIFIED SECTION

The effects of age on the pharmacokinetics of metaxalone were determined following single administration of two 400 mg tablets (800 mg) under fasted and fed conditions. The results were analyzed separately, as well as in combination with the results from three other studies. Using the combined data, the results indicate that the pharmacokinetics of metaxalone are significantly more affected by age under fasted conditions than under fed conditions, with bioavailability under fasted conditions increasing with age.

The bioavailability of metaxalone under fasted and fed conditions in three groups of healthy volunteers of varying age is shown in Table 2.

Table 2: Mean (%CV) Pharmacokinetic Parameters Following Single Administration of Two 400 mg SKELAXIN Tablets (800 mg) under Fasted and Fed Conditions
Younger VolunteersOlder Volunteers
Age (years) 25.6 ± 8.739.3 ± 10.871.5 ± 5.0
N592123
FoodFastedFedFastedFedFastedFed
C max (ng/mL) 1816
(43)
3510
(41)
2719
(46)
2915
(55)
3168
(43)
3680
(59)
T max (h) 3.0
(39)
4.9
(48)
3.0
(40)
8.7
(91)
2.6
(30)
6.5
(67)
AUC 0-t (ng∙h/mL) 14531
(47)
20683
(41)
19836
(40)
20482
(37)
23797
(45)
24340
(48)
AUC ∞ (ng∙h/mL) 15045
(46)
20833
(41)
20490
(39)
20815
(37)
24194
(44)
24704
(47)
Gender:

SPL UNCLASSIFIED SECTION

The effect of gender on the pharmacokinetics of metaxalone was assessed in an open label study, in which 48 healthy adult volunteers (24 males, 24 females) were administered two SKELAXIN 400 mg tablets (800 mg) under fasted conditions. The bioavailability of metaxalone was significantly higher in females compared to males as evidenced by C max (2115 ng/mL versus 1335 ng/mL) and AUC ∞ (17884 ng∙h/mL versus 10328 ng∙h/mL). The mean half-life was 11.1 hours in females and 7.6 hours in males. The apparent volume of distribution of metaxalone was approximately 22% higher in males than in females, but not significantly different when adjusted for body weight. Similar findings were also seen when the previously described combined dataset was used in the analysis.

Hepatic/Renal Insufficiency:

SPL UNCLASSIFIED SECTION

The impact of hepatic and renal disease on the pharmacokinetics of metaxalone has not been determined. In the absence of such information, SKELAXIN should be used with caution in patients with hepatic and/or renal impairment.

Food Effects

SPL UNCLASSIFIED SECTION

A randomized, two-way, crossover study was conducted in 42 healthy volunteers (31 males, 11 females) administered one 400 mg SKELAXIN tablet under fasted conditions and following a standard high-fat breakfast. Subjects ranged in age from 18 to 48 years (mean age = 23.5 ± 5.7 years). Compared to fasted conditions, the presence of a high fat meal at the time of drug administration increased C max by 177.5% and increased AUC (AUC 0-t, AUC ∞) by 123.5% and 115.4%, respectively. Time-to-peak concentration (T max) was also delayed (4.3 h versus 3.3 h) and terminal half-life was decreased (2.4 h versus 9.0 h) under fed conditions compared to fasted.

In a second food effect study of similar design, two 400 mg SKELAXIN tablets (800 mg) were administered to healthy volunteers (N=59, 37 males, 22 females), ranging in age from 18-50 years (mean age = 25.6± 8.7 years). Compared to fasted conditions, the presence of a high fat meal at the time of drug administration increased C max by 193.6% and increased AUC (AUC 0-t, AUC ∞) by 146.4% and 142.2%, respectively. Time-to-peak concentration (T max) was also delayed (4.9 h versus 3.0 h) and terminal half-life was decreased (4.2 h versus 8.0 h) under fed conditions compared to fasted conditions. Similar food effect results were observed in the above study when one SKELAXIN 800 mg tablet was administered in place of two SKELAXIN 400 mg tablets. The increase in metaxalone exposure coinciding with a reduction in half-life may be attributed to more complete absorption of metaxalone in the presence of a high fat meal (Figure 1).

Figure 1Figure 1

INDICATIONS AND USAGE

INDICATIONS & USAGE SECTION

SKELAXIN (metaxalone) is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomforts associated with acute, painful musculoskeletal conditions. The mode of action of this drug has not been clearly identified, but may be related to its sedative properties. Metaxalone does not directly relax tense skeletal muscles in man.

CONTRAINDICATIONS

CONTRAINDICATIONS SECTION

Known hypersensitivity to any components of this product.

Known tendency to drug induced, hemolytic, or other anemias.

Significantly impaired renal or hepatic function.

WARNINGS

WARNINGS SECTION

SKELAXIN may enhance the effects of alcohol and other CNS depressants.

PRECAUTIONS

PRECAUTIONS SECTION

Metaxalone should be administered with great care to patients with pre-existing liver damage. Serial liver function studies should be performed in these patients.

False-positive Benedict's tests, due to an unknown reducing substance, have been noted. A glucose-specific test will differentiate findings.

Taking SKELAXIN with food may enhance general CNS depression; elderly patients may be especially susceptible to this CNS effect. (See CLINICAL PHARMACOLOGY: Pharmacokinetics and PRECAUTIONS:  Information for Patients ).

Information for Patients

INFORMATION FOR PATIENTS SECTION

SKELAXIN may impair mental and/or physical abilities required for performance of hazardous tasks, such as operating machinery or driving a motor vehicle, especially when used with alcohol or other CNS depressants.

Drug Interactions

DRUG INTERACTIONS SECTION

The sedative effects of SKELAXIN and other CNS depressants (e.g., alcohol, benzodiazepines, opioids, tricyclic antidepressants) may be additive.  Therefore, caution should be exercised with patients who take more than one of these CNS depressants simultaneously.

Carcinogenesis, Mutagenesis, Impairment of Fertility

CARCINOGENESIS & MUTAGENESIS & IMPAIRMENT OF FERTILITY SECTION

The carcinogenic potential of metaxalone has not been determined.

Pregnancy

PREGNANCY SECTION

Reproduction studies in rats have not revealed evidence of impaired fertility or harm to the fetus due to metaxalone. Post marketing experience has not revealed evidence of fetal injury, but such experience cannot exclude the possibility of infrequent or subtle damage to the human fetus. Safe use of metaxalone has not been established with regard to possible adverse effects upon fetal development. Therefore, metaxalone tablets should not be used in women who are or may become pregnant and particularly during early pregnancy unless, in the judgement of the physician, the potential benefits outweigh the possible hazards.

Nursing Mothers

NURSING MOTHERS SECTION

It is not known whether this drug is secreted in human milk. As a general rule, nursing should not be undertaken while a patient is on a drug since many drugs are excreted in human milk.

Pediatric Use

PEDIATRIC USE SECTION

Safety and effectiveness in children 12 years of age and below have not been established.

ADVERSE REACTIONS

ADVERSE REACTIONS SECTION

The most frequent reactions to metaxalone include:

CNS: drowsiness, dizziness, headache, and nervousness or "irritability";

Digestive: nausea, vomiting, gastrointestinal upset.

Other adverse reactions are:

Immune System: hypersensitivity reaction, rash with or without pruritus;

Hematologic: leukopenia; hemolytic anemia;

Hepatobiliary: jaundice.

Though rare, anaphylactoid reactions have been reported with metaxalone.

OVERDOSAGE

OVERDOSAGE SECTION

Deaths by deliberate or accidental overdose have occurred with metaxalone, particularly in combination with antidepressants, and have been reported with this class of drug in combination with alcohol.

When determining the LD 50 in rats and mice, progressive sedation, hypnosis, and finally respiratory failure were noted as the dosage increased. In dogs, no LD 50 could be determined as the higher doses produced an emetic action in 15 to 30 minutes.

Treatment - Gastric lavage and supportive therapy. Consultation with a regional poison control center is recommended.

DOSAGE AND ADMINISTRATION

DOSAGE & ADMINISTRATION SECTION

The recommended dose for adults and children over 12 years of age is one 800 mg tablet three to four times a day.

HOW SUPPLIED

HOW SUPPLIED SECTION

SKELAXIN (metaxalone) is available as an 800 mg oval, scored pink tablet inscribed with 8667 on the scored side and "S" on the other. Available in bottles of 100 ( NDC 60793-136-01) and in bottles of 500 ( NDC 60793-136-05).

Store at Controlled Room Temperature, between 15°C and 30°C (59°F and 86°F).

Rx Only

Prescribing Information as of April 2008.

Distributed by: King Pharmaceuticals, Inc., Bristol, TN 37620

Manufactured by: Corepharma LLC, Middlesex, NJ 08846

DESCRIPTION

DESCRIPTION SECTION

SKELAXIN ® (metaxalone) is available as an 800 mg oval, scored pink tablet.

Chemically, metaxalone is 5-[(3,5- dimethylphenoxy) methyl]-2-oxazolidinone. The empirical formula is C 12H 15NO 3, which corresponds to a molecular weight of 221.25. The structural formula is:

StructureStructure

Metaxalone is a white to almost white, odorless crystalline powder freely soluble in chloroform, soluble in methanol and in 96% ethanol, but practically insoluble in ether or water.

Each tablet contains 800 mg metaxalone and the following inactive ingredients: alginic acid, ammonium calcium alginate, B-Rose Liquid, corn starch, and magnesium stearate.

Principal Display Panel

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

Skelaxin® (Metaxalone) Tablets, 800mg

20 Tablets

NDC 10544-524-20

800mg 20ct800mg 20ct

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYSPL version
351254metaxalone 800 MG Oral TabletPSN1
352277Skelaxin 800 MG Oral TabletPSN1
352277metaxalone 800 MG Oral Tablet [Skelaxin]SBD1
351254metaxalone 800 MG Oral TabletSCD1
352277Skelaxin 800 MG Oral TabletSY1

DailyMed Pharmacologic Classes#

Class, Version, Type table
ClassVersionTypeEffective
METAXALONE Pharmacologic Class Indexing4Indexing - Pharmacologic Class20230206

Product Linked Resources#

Resource, Code type, Value table
ResourceCode typeValueEquivalent identifiersSource image
BarcodeEAN-130310544524208GTIN-13: 0310544524208
EAN-13: 0310544524208
GTIN-12: 310544524208
UPC-A: 310544524208
GTIN storage (14 digits): 00310544524208
LABEL_SLELAXIN TABS 800MG _BPI(10544-524-20)_KING(60793-136-05)_REV1.jpg
Data codeCode 12800/00/0000LABEL_SLELAXIN TABS 800MG _BPI(10544-524-20)_KING(60793-136-05)_REV1.jpg

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
4fe1c2a6-5488-f909-3872-734054eb745aProduct name520181231
776ba7f6-e5b0-442b-bd42-1fdfdfd821a4Product name120150615
68c52498-c9cb-48ab-a792-a4876149361eProduct name120150409

FDA-Initiated Inactive NDC Indexing#

NDC, Effective, Action table
NDCEffectiveActionDocumentIndexing SPLRelated label
10544-524-202020-01-31C16284748780-19d75b9d0-2d64-f424-e053-dadaa90a57ceSKELAXIN ® (Metaxalone) Tablets

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
10544-524-20SKELAXIN20 in 1 BOTTLETABLET201

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDCDashboard titleSPL versionValidationDashboard ZIP
10544-524SKELAXIN (METAXALONE) TABLET [BLENHEIM PHARMACAL, INC.]1Legacy NDC, 1 package rows20150319_11a55d5f-72b9-0b65-e054-00144ff88e88.zip

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
10544-524-20EA - Each10544-524049f2fc7-1874-4c0b-8565-b88192a5dfc312015-10-02
60793-136-01EA - Each60793-136841b67b4-1e05-47ad-91e1-ed9e8a57be0a12012-07-24
60793-136-05EA - Each60793-136ceaad0df-7468-4ae2-a8aa-7173758e8d0b12012-07-24

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
IngredientTypeUNIISPL versionUploaded
METAXALONEACTIVE INGREDIENT1NMA9J598Y1
METAXALONEACTIVE MOIETY1NMA9J598Y1

Products#

Every source-derived product name is available through these pages.

DailyMed product names page 1 of 1 · 2 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
10544-52410544-524-20
60793-136

Ingredients#

Every source-derived ingredient row is available through these pages.

DailyMed ingredient rows page 1 of 1 · 1 matching rows.

Name, UNII, Kind table
NameUNIIKind
METAXALONE1NMA9J598YACTIB

Source Document#

Source XML

Orange Book application contexts#

All distinct exact application/product contexts derived from this label’s complete NDC list are paginated below.

Orange Book application contexts page 1 of 1 · 1 matching rows.

Source provenance: Browse the complete Orange Book source catalog · source snapshot 43.

Orange Book products#

Current product rows page 1 of 1 · 2 matching rows.

Application-product, Trade name, Ingredient table
Application-productTrade nameIngredientStrengthDosage form / routeTE codesRLD / RSApproval date
N013217-001SKELAXINMETAXALONE400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982
N013217-003SKELAXINMETAXALONE800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-30

Orange Book patents#

Current patent rows page 1 of 1 · 1 matching rows.

Application-product, Patent, Expiration table
Application-productPatentExpirationUse codeCoverage / statusSubmission date
N013217-00371225662026-02-06U-915

Observed Orange Book product history#

Observed FDA ZIP history: Each table is queried independently by exact application/product key from successfully parsed Orange Book snapshots. Capture times identify archived source observations; absence or a change between snapshots is not inferred. FDA publication files that were not recoverable as structured ZIP data are not represented as states.

Product history page 1 of 3 · 86 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTrade nameStrengthDosage form / routeProduct TE source textRLD / RSApproval dateSource SHA-256
2026-09-14 22:38:342026-08N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 198284e616aacf4f…
2026-09-14 22:38:342026-08N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-3084e616aacf4f…
2026-08-18 06:07:402026-07N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982caaa826d4ba7…
2026-08-18 06:07:402026-07N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-30caaa826d4ba7…
2026-02-19 14:30 UTC2026-02N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982011fe1cb6892…
2026-02-19 14:30 UTC2026-02N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-30011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 198231067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-3031067a03dcf5…
2025-08-23 18:47 UTC2025-08N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 19826a471c1ec25d…
2025-08-23 18:47 UTC2025-08N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-306a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-30fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-30b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 198203ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-3003ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 19822680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-302680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 19825bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-305bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-30d8e5a09893c0…
2024-10-29 15:01 UTC2024-10N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982d06236e962d9…
2024-10-29 15:01 UTC2024-10N013217-003SKELAXIN800MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD2002-08-30d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 198279d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08N013217-003SKELAXIN800MGTABLET / ORALRLD2002-08-3079d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 1982301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07N013217-003SKELAXIN800MGTABLET / ORALRLD2002-08-30301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 19821e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06N013217-003SKELAXIN800MGTABLET / ORALRLD2002-08-301e350fbaab3a…
2024-05-31 18:47 UTC2024-05N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 19828072bd15b7f6…
2024-05-31 18:47 UTC2024-05N013217-003SKELAXIN800MGTABLET / ORALRLD2002-08-308072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLET / ORALRLD, Approved before 19825c6f7cd8ea54…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N013217-003SKELAXIN800MGTABLET / ORALABRLD, RS2002-08-305c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04N013217-001SKELAXIN400MGTABLET / ORALRLD, Approved before 19825d02ea3f76ae…
2022-04-08 23:34 UTC2022-04N013217-003SKELAXIN800MGTABLET / ORALABRLD, RS2002-08-305d02ea3f76ae…
2022-04-04 05:41 UTC2022-04N013217-001SKELAXIN400MGTABLET / ORALRLD, Approved before 19824b0b4de00fa7…
2022-04-04 05:41 UTC2022-04N013217-003SKELAXIN800MGTABLET / ORALABRLD, RS2002-08-304b0b4de00fa7…
2019-12-13 00:20 UTC2019-12N013217-001SKELAXIN400MG **Federal Register determination that product was not discontinued or withdrawn for safety or efficacy reasons**TABLET / ORALRLD, Approved before 198274a2ff9319b5…
2019-12-13 00:20 UTC2019-12N013217-003SKELAXIN800MGTABLET / ORALABRLD, RS2002-08-3074a2ff9319b5…

Observed Orange Book normalized TE history#

Captured, Edition, Application-product table
CapturedEditionApplication-productTE codeOrderSource SHA-256
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N013217-003AB15c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04N013217-003AB15d02ea3f76ae…
2022-04-04 05:41 UTC2022-04N013217-003AB14b0b4de00fa7…
2019-12-13 00:20 UTC2019-12N013217-003AB174a2ff9319b5…
2022-03-09 01:35 UTC2022-03N013217-003AB1bb7c543d1eb4…
2021-12-28 21:50 UTC2021-12N013217-003AB1782e0a99824c…
2021-05-05 16:15 UTC · 3 captures of this ZIP2021-05N013217-003AB187673890dc5c…
2021-03-12 10:30 UTC2021-03N013217-003AB15aa47cf7b7d7…
2020-12-22 03:56 UTC2020-12N013217-003AB18869cabd3fbd…
2020-11-12 02:37 UTC2020-11N013217-003AB1c0c555d07b60…
2019-12-14 00:12 UTC2019-12N013217-003AB13f01610625f2…
2019-09-15 20:21 UTC2019-09N013217-003AB1b00525d2431f…
2019-07-19 19:46 UTC2019-07N013217-003AB1ea99ee380514…
2023-07-15 15:27 UTC · 2 captures of this ZIP2023-07N013217-003AB1a67488948f0b…
2023-06-13 01:57 UTC · 3 captures of this ZIP2023-06N013217-003AB13f0d92c62455…
2023-05-13 08:27 UTC2023-05N013217-003AB1053a50430f4f…
2023-01-26 05:58 UTC2023-01N013217-003AB13bdfa0b2c4d7…
2022-11-12 20:34 UTC · 5 captures of this ZIP2022-11N013217-003AB13a93d1ddd44b…
2022-10-28 04:53 UTC2022-10N013217-003AB1f41ea6bd6efb…
2022-09-29 23:25 UTC2022-09N013217-003AB1e64feba35796…
2022-07-09 03:26 UTC · 3 captures of this ZIP2022-07N013217-003AB1cb3db0bc1861…

Observed Orange Book patent history#

Patent history page 1 of 2 · 52 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productPatentExpirationUse codeCoverage / statusSubmission dateSource SHA-256
2026-09-14 22:38:342026-08N013217-00371225662026-02-06U-91584e616aacf4f…
2026-08-18 06:07:402026-07N013217-00371225662026-02-06U-915caaa826d4ba7…
2026-02-19 14:30 UTC2026-02N013217-00371225662026-02-06U-915011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12N013217-00371225662026-02-06U-91531067a03dcf5…
2025-08-23 18:47 UTC2025-08N013217-00371225662026-02-06U-9156a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03N013217-00371225662026-02-06U-915fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02N013217-00371225662026-02-06U-915b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01N013217-00371225662026-02-06U-91503ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12N013217-00371225662026-02-06U-9152680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09N013217-00371225662026-02-06U-9155bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11N013217-00371225662026-02-06U-915d8e5a09893c0…
2024-10-29 15:01 UTC2024-10N013217-00371225662026-02-06U-915d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08N013217-00371225662026-02-06U-91579d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07N013217-00371225662026-02-06U-915301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06N013217-00371225662026-02-06U-9151e350fbaab3a…
2024-05-31 18:47 UTC2024-05N013217-00371225662026-02-06U-9158072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N013217-00371225662026-02-06U-9155c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04N013217-00371225662026-02-06U-9155d02ea3f76ae…
2022-04-04 05:41 UTC2022-04N013217-00371225662026-02-06U-9154b0b4de00fa7…
2019-12-13 00:20 UTC2019-12N013217-00377140062021-12-03U-105074a2ff9319b5…
2019-12-13 00:20 UTC2019-12N013217-00371225662026-02-06U-91574a2ff9319b5…
2022-03-09 01:35 UTC2022-03N013217-00371225662026-02-06U-915bb7c543d1eb4…
2021-12-28 21:50 UTC2021-12N013217-00377140062021-12-03U-1050782e0a99824c…
2021-12-28 21:50 UTC2021-12N013217-00371225662026-02-06U-915782e0a99824c…
2021-05-05 16:15 UTC · 3 captures of this ZIP2021-05N013217-00377140062021-12-03U-105087673890dc5c…
2021-05-05 16:15 UTC · 3 captures of this ZIP2021-05N013217-00371225662026-02-06U-91587673890dc5c…
2021-03-12 10:30 UTC2021-03N013217-00377140062021-12-03U-10505aa47cf7b7d7…
2021-03-12 10:30 UTC2021-03N013217-00371225662026-02-06U-9155aa47cf7b7d7…
2020-12-22 03:56 UTC2020-12N013217-00377140062021-12-03U-10508869cabd3fbd…
2020-12-22 03:56 UTC2020-12N013217-00371225662026-02-06U-9158869cabd3fbd…
2020-11-12 02:37 UTC2020-11N013217-00377140062021-12-03U-1050c0c555d07b60…
2020-11-12 02:37 UTC2020-11N013217-00371225662026-02-06U-915c0c555d07b60…
2019-12-14 00:12 UTC2019-12N013217-00377140062021-12-03U-10503f01610625f2…
2019-12-14 00:12 UTC2019-12N013217-00371225662026-02-06U-9153f01610625f2…
2019-09-15 20:21 UTC2019-09N013217-00377140062021-12-03U-1050b00525d2431f…
2019-09-15 20:21 UTC2019-09N013217-00371225662026-02-06U-915b00525d2431f…
2019-07-19 19:46 UTC2019-07N013217-00377140062021-12-03U-1050ea99ee380514…
2019-07-19 19:46 UTC2019-07N013217-00371225662026-02-06U-915ea99ee380514…
2024-03-16 18:09 UTC · 4 captures of this ZIP2024-03N013217-00371225662026-02-06U-9156a51e52b5d6a…
2024-02-18 07:12 UTC2024-02N013217-00371225662026-02-06U-9151c564ffb4f44…

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 1 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
11a55d5f-72ba-0b65-e054-00144ff88e8811a55d5f-72b9-0b65-e054-00144ff88e882015-03-19Warnings, Adverse reactionsExact identifier
spl id: 11a55d5f-72ba-0b65-e054-00144ff88e88
spl set id: 11a55d5f-72b9-0b65-e054-00144ff88e88

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.