BACKACHE RELIEF EXTRA STRENGTH- magnesium salicylate tetrahydrate tablet, film coated 
L.N.K. International, Inc.

Disclaimer: Most OTC drugs are not reviewed and approved by FDA, however they may be marketed if they comply with applicable regulations and policies. FDA has not evaluated whether this product complies.

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Quality Plus 44-338 Delisted

Active ingredient (in each caplet)

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

Purpose

Pain reliever 

Uses

  • for the temporary relief of minor backache pain 

Warnings

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

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

Ask a doctor before use if

  • 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

taking a prescription drug for

  • gout
  • diabetes
  • arthritis 

Stop use and ask a doctor if

  • 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,

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.

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

Directions

  • 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

  • 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

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

Questions or comments?

Call 1-800-426-9391

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

BACKACHE RELIEF  EXTRA STRENGTH
magnesium salicylate tetrahydrate tablet, film coated
Product Information
Product TypeHUMAN OTC DRUGItem Code (Source)NDC:50844-338
Route of AdministrationORAL
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
MAGNESIUM SALICYLATE (UNII: 41728CY7UX) (SALICYLIC ACID - UNII:O414PZ4LPZ) MAGNESIUM SALICYLATE580  mg
Inactive Ingredients
Ingredient NameStrength
HYPROMELLOSE, UNSPECIFIED (UNII: 3NXW29V3WO)  
MAGNESIUM STEARATE (UNII: 70097M6I30)  
MICROCRYSTALLINE CELLULOSE (UNII: OP1R32D61U)  
POLYDEXTROSE (UNII: VH2XOU12IE)  
POLYETHYLENE GLYCOL, UNSPECIFIED (UNII: 3WJQ0SDW1A)  
STEARIC ACID (UNII: 4ELV7Z65AP)  
TITANIUM DIOXIDE (UNII: 15FIX9V2JP)  
TRIACETIN (UNII: XHX3C3X673)  
Product Characteristics
ColorwhiteScoreno score
ShapeOVALSize17mm
FlavorImprint Code 44;338
Contains    
Packaging
#Item CodePackage DescriptionMarketing Start DateMarketing End Date
1NDC:50844-338-226 in 1 CARTON11/07/199810/12/2021
18 in 1 BLISTER PACK; Type 0: Not a Combination Product
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
OTC monograph not finalpart34311/07/199810/12/2021
Labeler - L.N.K. International, Inc. (038154464)
Establishment
NameAddressID/FEIBusiness Operations
LNK International, Inc.038154464pack(50844-338)
Establishment
NameAddressID/FEIBusiness Operations
LNK International, Inc.832867894manufacture(50844-338)
Establishment
NameAddressID/FEIBusiness Operations
LNK International, Inc.967626305pack(50844-338)
Establishment
NameAddressID/FEIBusiness Operations
LNK International, Inc.868734088pack(50844-338)

Revised: 10/2021
 
L.N.K. International, Inc.