Maximum Strength Backache Relief

openFDA label record#

This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.

Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name
Maximum Strength Backache Relief
Generic name
MAGNESIUM SALICYLATE
Manufacturer
JHK DBA American Safety & First Aid
Product type
HUMAN OTC DRUG
SPL set ID
f8cbcd4e-cfad-4592-8774-52e681494c45
SPL ID
f2839255-a361-4e8d-a1b4-c88ce9f1b794
Version
2
Effective date
2024-10-07
Source export date
2026-09-28
Source partition
11
Source file
https://download.open.fda.gov/drug/label/drug-label-0011-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-09-28/aa96b5a2be6b394393acd0090f6948bdf99e0e8e00666f81608929c8fa83db77/drug-label-0011-of-0014.json.zip
Source manifest SHA-256
cd2e66336a5cd2223fa3995098fdbdb84c6a7ee5c0a4addb236ccb22dd1e6887
Import run
20260929T050834Z
Imported at
2026-09-29 06:15:30
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

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Warnings sections page 1 of 1 · 1 matching rows.

warnings

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 a nonsteroidal anti-inflammatory drug (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 a prescription or nonprescription NSAID (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 to any other pain reliever/fever reducer for more than 10 days for pain unless directed by a doctor Ask doctor before use if: stomach bleeding warning applies to you you have a history of stomach problems, such as heartburn you have asthma, high blood pressure, heart disease, liver cirrhosis, or kidney disease 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: an allergic reaction occurs. Seek medical help right away. you experience any of the following signs of stomach bleeding: feel faint vomit blood have bloody or black stools have stomach pain that does not get better if ringing in the ears or loss of hearing occurs new symptoms occur new symptoms occur 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 breastfeeding , ask a health professional before use. It is especially important not to use magnesium salicylate at 20 weeks or later in 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 (1-800-222-1222) right away.

Reported adverse events (FAERS/openFDA)#

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