FDA.reportPublic FDA data

Backache Relief

Manufacturer
L.N.K. International, Inc. | LNK International, Inc.
Effective date
2020-10-09
Label type
HUMAN OTC DRUG LABEL
Version
9
Source
legacy-cache
Hydrated at
2026-08-01 23:12:19

Label at a glance#

ProductBackache Relief Extra Strength
Active ingredientMAGNESIUM SALICYLATE
Label structure9 sections

Indications and uses

for the temporary relief of minor backache pain 

Dosage and administration

drink a full glass of water with each dose adults: 2 caplets every 6 hours, not to exceed 8 caplets in 24 hours children under 12 years: do not use unless directed by a doctor 

Storage and handling

each caplet contains: magnesium 50 mg store at controlled room temperature 15º-30ºC (59º-86ºF) see end flap for expiration date and lot number 

Label contents#

Full prescribing information#

Active ingredient (in each caplet)

OTC - ACTIVE INGREDIENT SECTION

Magnesium salicylate tetrahydrate 580 mg (NSAID)*
(equivalent to 467.2 mg of anhydrous magnesium salicylate)
*nonsteroidal anti-inflammatory drug 

Purpose

OTC - PURPOSE SECTION

Pain reliever 

Uses

INDICATIONS & USAGE SECTION

  • for the temporary relief of minor backache pain 

Warnings

WARNINGS SECTION

Reye's syndrome: Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product. When using this product, if changes in behavior with nausea and vomiting occur, consult a doctor because these symptoms could be an early sign of Reye's syndrome, a rare but serious illness.

Allergy Alert: Magnesium salicylate may cause a severe allergic reaction, which may include:

  • hives
  • facial swelling
  • asthma (wheezing)
  • shock

Stomach bleeding warning: This product contains an NSAID, which may cause severe stomach bleeding. The chance is higher if you:

  • are age 60 or older
  • have had stomach ulcers or bleeding problems
  • take a blood thinning (anticoagulant) or steroid drug
  • take other drugs containing prescription or nonprescription NSAIDs [aspirin, ibuprofen, naproxen, or others]
  • have 3 or more alcoholic drinks every day while using this product
  • take more or for a longer time than directed 

Do not use

OTC - DO NOT USE SECTION

  •  if you are allergic to salicylates (including aspirin) or any other pain reliever/fever reducer

Ask a doctor before use if

OTC - ASK DOCTOR SECTION

  • stomach bleeding warning applies to you
  • you have a history of stomach problems, such as heartburn
  • you have high blood pressure, heart disease, liver cirrhosis, or kidney disease
  • you have asthma
  • you are taking a diuretic 

Ask a doctor or pharmacist before use if you are

OTC - ASK DOCTOR/PHARMACIST SECTION

taking a prescription drug for

  • gout
  • diabetes
  • arthritis 

Stop use and ask a doctor if

OTC - STOP USE SECTION

  • you experience any of the following signs of stomach bleeding:
    • feel faint
    • have bloody or black stools
    • vomit blood
    • have stomach pain that does not get better
  • an allergic reaction occurs. Seek medical help right away.
  • new symptoms occur
  • ringing in the ears or loss of hearing occurs
  • pain gets worse or lasts more than 10 days
  • fever gets worse or lasts more than 3 days
  • redness or swelling is present

These could be signs of a serious condition. 

If pregnant or breast-feeding,

OTC - PREGNANCY OR BREAST FEEDING SECTION

ask a health professional before use. It is especially important not to use magnesium salicylate during the last 3 months of pregnancy unless definitely directed to do so by a doctor because it may cause problems in the unborn child or complications during delivery. 

Keep out of reach of children.

OTC - KEEP OUT OF REACH OF CHILDREN SECTION

In case of overdose, get medical help or contact a Poison Control Center right away. 

Directions

DOSAGE & ADMINISTRATION SECTION

  • drink a full glass of water with each dose
  • adults: 2 caplets every 6 hours, not to exceed 8 caplets in 24 hours
  • children under 12 years: do not use unless directed by a doctor 

Other information

STORAGE AND HANDLING SECTION

  • each caplet contains: magnesium 50 mg
  • store at controlled room temperature 15º-30ºC (59º-86ºF)
  • see end flap for expiration date and lot number 

Inactive ingredients

INACTIVE INGREDIENT SECTION

hypromellose, magnesium stearate, microcrystalline cellulose, polydextrose, polyethylene glycol, stearic acid, titanium dioxide, triacetin 

Questions or comments?

OTC - QUESTIONS SECTION

Call 1-800-426-9391

Principal Display Panel

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

QUALITY
PLUS

NDC 50844-338-22

†Compare to the active ingredient in Extra Strength Doan's®

EXTRA STRENGTH
Backache
Relief
Magnesium Salicylate Tetrahydrate 580 mg (NSAID)

Pain Reliever
Relieves Backache Pain

48 Caplets

TAMPER EVIDENT: DO NOT USE IF CARTON IS OPENED OR IF BLISTER UNIT IS TORN, BROKEN OR SHOWS ANY SIGNS OF TAMPERING 

†This product is not manufactured or distributed by Novartis Consumer Health, Inc., owner of the registered trademark Extra Strength Doan's®.
50844           REV0810B33822

Distributed by
LNK INTERNATIONAL, INC.
60 Arkay Drive
Hauppauge, NY 11788

Quality Plus 44-338
Quality Plus 44-338

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
IngredientTypeUNIISPL versionUploaded
MAGNESIUM SALICYLATEACTIVE INGREDIENT41728CY7UX4
SALICYLIC ACIDACTIVE MOIETYO414PZ4LPZ4
CELLULOSE, MICROCRYSTALLINEINACTIVE INGREDIENTOP1R32D61U4
HYPROMELLOSESINACTIVE INGREDIENT3NXW29V3WO4
MAGNESIUM STEARATEINACTIVE INGREDIENT70097M6I304
POLYDEXTROSEINACTIVE INGREDIENTVH2XOU12IE4
POLYETHYLENE GLYCOLSINACTIVE INGREDIENT3WJQ0SDW1A4
STEARIC ACIDINACTIVE INGREDIENT4ELV7Z65AP4
TITANIUM DIOXIDEINACTIVE INGREDIENT15FIX9V2JP4
TRIACETININACTIVE INGREDIENTXHX3C3X6734

Products#

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

DailyMed product names page 1 of 1 · 12 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
50844-33850844-338-22

Ingredients#

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

DailyMed ingredient rows page 1 of 1 · 9 matching rows.

Name, UNII, Kind table
NameUNIIKind
MAGNESIUM SALICYLATE41728CY7UXACTIB
HYPROMELLOSE, UNSPECIFIED3NXW29V3WOIACT
MAGNESIUM STEARATE70097M6I30IACT
MICROCRYSTALLINE CELLULOSEOP1R32D61UIACT
POLYDEXTROSEVH2XOU12IEIACT
POLYETHYLENE GLYCOL, UNSPECIFIED3WJQ0SDW1AIACT
STEARIC ACID4ELV7Z65APIACT
TITANIUM DIOXIDE15FIX9V2JPIACT
TRIACETINXHX3C3X673IACT

Source Document#

Source XML

Inactive ingredient matches#

Inactive Ingredient Database values describe FDA-listed use contexts. The match method and ambiguity count are shown because ingredient names, routes, and dosage forms are not always unique. Browse recovered IID releases and source provenance.

Inactive ingredient links page 1 of 3 · 177 matching rows.

DailyMed ingredient, IID ingredient, UNII table
DailyMed ingredientIID ingredientUNIIDosage form / routePotencyMaximum daily exposureMatch
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30POWDER, FOR SUSPENSION / ORAL120 mgExact identifier — unii candidate
39 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOGEL / RECTAL348 mgExact identifier — unii candidate
27 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOINSERT / VAGINAL54.21 mgExact identifier — unii candidate
27 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPPOWDER, FOR SUSPENSION / ORAL297 mgExact identifier — unii candidate
40 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APCAPSULE, EXTENDED RELEASE / ORAL64 mgExact identifier — unii candidate
26 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPFILM, SOLUBLE / ORAL2 mgExact identifier — unii candidate
40 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPSUSPENSION / ORAL113 mgExact identifier — unii candidate
40 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPGUM, CHEWING / BUCCAL182 mgExact identifier — unii candidate
40 equally ranked IID candidates
POLYDEXTROSEPOLYDEXTROSEVH2XOU12IETABLET, EXTENDED RELEASE / ORAL22 mgExact identifier — unii candidate
3 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30CREAM / TOPICALNAExact identifier — unii candidate
39 equally ranked IID candidates
TRIACETINTRIACETINXHX3C3X673TABLET / ORAL208 mgExact identifier — unii candidate
14 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30TABLET, FOR SUSPENSION / ORAL131 mgExact identifier — unii candidate
39 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPTABLET, EXTENDED RELEASE / ORAL90 mgExact identifier — unii candidate
40 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30LOZENGE / ORAL420 mgExact identifier — unii candidate
39 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPPOWDER / ORAL2 mgExact identifier — unii candidate
40 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APTABLET, COATED / ORAL42.4 mgExact identifier — unii candidate
26 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPCAPSULE / RESPIRATORY (INHALATION)NAExact identifier — unii candidate
40 equally ranked IID candidates
POLYDEXTROSEPOLYDEXTROSEVH2XOU12IETABLET / ORAL20 mgExact identifier — unii candidate
3 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APTABLET, ORALLY DISINTEGRATING / ORAL10 mgExact identifier — unii candidate
26 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UTABLET / ORAL6184 mgExact identifier — unii candidate
28 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30INSERT / VAGINAL69 mgExact identifier — unii candidate
39 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOSUSPENSION/ DROPS / OPHTHALMIC3 mgExact identifier — unii candidate
27 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPPOWDER / RESPIRATORY (INHALATION)2 mgExact identifier — unii candidate
40 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30WAFER / ORAL66 mgExact identifier — unii candidate
39 equally ranked IID candidates
TRIACETINTRIACETINXHX3C3X673TABLET, FILM COATED / ORAL15.12 mgExact identifier — unii candidate
14 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOSHAMPOO / TOPICAL3 %w/wExact identifier — unii candidate
27 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APTABLET / SUBLINGUAL9 mgExact identifier — unii candidate
26 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UTABLET, CHEWABLE / ORAL1725 mgExact identifier — unii candidate
28 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30CAPSULE / ORAL256.4 mgExact identifier — unii candidate
39 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOSOLUTION / OPHTHALMIC0.5 %w/vExact identifier — unii candidate
27 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30GRANULE, FOR SUSPENSION / ORAL14 mgExact identifier — unii candidate
39 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UTABLET, ORALLY DISINTEGRATING / ORAL1800 mgExact identifier — unii candidate
28 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPSYSTEM / TOPICAL420 mgExact identifier — unii candidate
40 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APTABLET, CHEWABLE / ORAL180 mgExact identifier — unii candidate
26 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPSHAMPOO, SUSPENSION / TOPICAL3 %w/vExact identifier — unii candidate
40 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30INHALANT / ORAL0.08 mgExact identifier — unii candidate
39 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APEMULSION / ORALNAExact identifier — unii candidate
26 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UCAPSULE, EXTENDED RELEASE / ORAL1246 mgExact identifier — unii candidate
28 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPLOTION / TOPICALNAExact identifier — unii candidate
40 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30IMPLANT / INTRAVITREALNAExact identifier — unii candidate
39 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOTABLET, FILM COATED, EXTENDED RELEASE / ORAL221 mgExact identifier — unii candidate
27 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30CAPSULE, EXTENDED RELEASE / ORAL117 mgExact identifier — unii candidate
39 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UTABLET, CHEWABLE, EXTENDED RELEASE / ORAL144 mgExact identifier — unii candidate
28 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APTABLET / ORAL336 mgExact identifier — unii candidate
26 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UTABLET, FILM COATED, EXTENDED RELEASE / ORAL615 mgExact identifier — unii candidate
28 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30TABLET, COATED / ORAL184 mgExact identifier — unii candidate
39 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30IMPLANT / SUBCUTANEOUS0.5 mgExact identifier — unii candidate
39 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOSYSTEM / TOPICAL54 mgExact identifier — unii candidate
27 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61USUSPENSION, EXTENDED RELEASE / ORAL1120 mgExact identifier — unii candidate
28 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPFILM, SOLUBLE / BUCCAL11 mgExact identifier — unii candidate
40 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPCAPSULE, COATED / ORAL17 mgExact identifier — unii candidate
40 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UCAPSULE / ORAL2169 mgExact identifier — unii candidate
28 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UTABLET, ORALLY DISINTEGRATING, DELAYED RELEASE / ORAL1576 mgExact identifier — unii candidate
28 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30CAPSULE, DELAYED RELEASE / ORAL1060 mgExact identifier — unii candidate
39 equally ranked IID candidates
CELLULOSE, MICROCRYSTALLINEMICROCRYSTALLINE CELLULOSEOP1R32D61UTABLET, FOR SUSPENSION / ORAL20100 mgExact identifier — unii candidate
28 equally ranked IID candidates
STEARIC ACIDSTEARIC ACID4ELV7Z65APAEROSOL, FOAM / TOPICAL8 %w/wExact identifier — unii candidate
26 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30TABLET, FILM COATED / ORAL96 mgExact identifier — unii candidate
39 equally ranked IID candidates
TITANIUM DIOXIDETITANIUM DIOXIDE15FIX9V2JPCAPSULE, COATED PELLETS / ORAL4.4 mgExact identifier — unii candidate
40 equally ranked IID candidates
HYPROMELLOSESHYPROMELLOSE3NXW29V3WOCAPSULE / ORAL1488 mgExact identifier — unii candidate
27 equally ranked IID candidates
MAGNESIUM STEARATEMAGNESIUM STEARATE70097M6I30POWDER / TOPICAL104 mgExact identifier — unii candidate
39 equally ranked IID candidates

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
ea043d07-f8e2-4032-b8f2-222f41dbb8262d177902-73c7-4d91-bb86-c2010376113b2021-10-12WarningsExact identifier
spl set id: 2d177902-73c7-4d91-bb86-c2010376113b

Reported adverse events (FAERS/openFDA)#

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