Quick answers
- What is Magnesium salicylate used for?
- The Drug Facts label of Medique at Home Back Pain Relief (Unifirst First Aid Corporation) lists these uses: For the temporary relief of minor backache pain.
- Do I need a prescription for Magnesium salicylate?
- No. The products on this page are sold without a prescription (over the counter).
- Is a store brand the same as the name brand?
- Products listed together below have the same active ingredient, in the same amount and the same form, as registered with the FDA. Inactive ingredients (such as colors, flavors and fillers) and package sizes can differ. Compare the “Active ingredient” box on both packages, and ask a pharmacist if you are not sure.
- Has Magnesium salicylate been recalled?
- No recall linked to these products appears in the FDA enforcement reports we use.
Drug Facts label
Every over-the-counter medicine must carry a “Drug Facts” box in the same order, set by FDA rules. Below is the label of one product for each common strength and form, quoted word for word. Your own package can differ (for example, children’s products have other directions): always follow the label on your package.
Medique at Home Back Pain Relief · Unifirst First Aid Corporation
Magnesium salicylate 580 mg, tablet, film coated (oral)
Active ingredient (in each caplet)
Magnesium Salicylate Tetrahydrate (NSAID)* 580 mg (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 alcohol 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.
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
- 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
- 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 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.
Directions
- drink a full glass of water with each dose Adults and children: (12 years and over) Take 2 caplets every 6 hours, not to exceed 8 caplets in 24 hours Children under 12 years: D o not use unless directed by a doctor
Other information
- each caplet contains: magnesium 40 mg
- store at 25°C (77°F); excursions permitted between 15°-30°C (59°-86°F)
- TAMPER EVIDENT child resistant packets
- do not use any opened or torn packets
Inactive ingredients
hypromellose, magnesium stearate, microcrystalline cellulose, polydextrose, polyethylene glycol, stearic acid, titanium dioxide, triacetin
Questions?
1-800-634-7680
— FDA label of Medique at Home Back Pain Relief, Unifirst First Aid Corporation, effective September 9, 2025. See the official label on DailyMed →
Doans Maximum Strength · Dr. Reddy's Laboratories Inc.
Magnesium salicylate 580 mg, tablet (oral)
Active ingredient (in each caplet)
Magnesium salicylate tetrahydrate 580 mg (NSAID) nonsteroidal anti-inflammatory drug (equivalent to 467.2 mg of anhydrous magnesium salicylate)
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
you have asthma 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 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: vomit blood feel faint have bloody or black stools have stomach pain that does not get better 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 new symptoms occur 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 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.
Directions
drink a full glass of water with each dose adults and children 12 years and over: 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
Inactive ingredients
hypromellose, magnesium stearate, microcrystalline cellulose, polydextrose, polyethylene glycol, stearic acid, titanium dioxide, triacetin
Questions?
1-800-790-6417
— FDA label of Doans Maximum Strength, Dr. Reddy's Laboratories Inc., effective April 24, 2026. See the official label on DailyMed →
Maximum Strength Backache Relief · JHK DBA American Safety & First Aid
Magnesium salicylate 580 mg, capsule, coated (oral)
Active ingredient (In Each Caplet)
Magnesium salicylate tetrahydrate 580 mg (NSAID) Nonsteroidal Anti-Inflammatory Drug (equivalent to 467.2 mg of anhydrous magnesium salicylate)
Purpose
pain reliever/fever reducer
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 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.
Directions
drink a full glass of water with each dose adults and children 12 years and over: take 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.
Inactive ingredients
hypromellose, magnesium stearate, microcrystalline cellulose, polydextrose, polyethylene glycol, stearic acid, titanium dioxide, triacetin
Questions?
1-866-651-3660 Monday-Friday 8:00am-5:00pm EST
— FDA label of Maximum Strength Backache Relief, JHK DBA American Safety & First Aid, effective October 7, 2024. See the official label on DailyMed →
This page is not medical advice. Read the label on your package, and ask a pharmacist or doctor if you are not sure a medicine is right for you, for your child, or with your other medicines.
Same medicine, other brands
Each group lists the products that have exactly the same active ingredient, in the same amount and form, as registered with the FDA (NDC Directory). A store brand in the same group has the same medicine as the name brand; inactive ingredients, flavors and package sizes can differ. Each product links to its own official label.
Magnesium salicylate 580 mg · tablet, film coated (oral) · 3 products
Magnesium salicylate 580 mg · tablet (oral) · 2 products
Drug Facts for this strength and form ↑
| Brand or product name | Company on the label | Label |
|---|---|---|
| Doans Extra Strength | Dr. Reddy's Laboratories Inc. | DailyMed |
| Doans Maximum Strength | Dr. Reddy's Laboratories Inc. | DailyMed |
Magnesium salicylate 580 mg · capsule, coated (oral) · 1 product
Drug Facts for this strength and form ↑
| Brand or product name | Company on the label | Label |
|---|---|---|
| Maximum Strength Backache Relief | JHK DBA American Safety & First Aid | DailyMed |
Companies that sell this medicine
The company named on the package (maker or distributor), as listed in the FDA NDC Directory, with its number of over-the-counter products of this medicine.
- Unifirst First Aid Corporation2 products
- Dr. Reddy's Laboratories Inc.2 products
- Wildman Business Group1 product
- JHK DBA American Safety & First Aid1 product
Recalls
No recall linked to these products (by their NDC code or label) appears in the FDA enforcement reports.
Sources
- Drug labeling (SPL, openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
- FDA rule for the Drug Facts label (21 CFR 201.66)
Only medicines marketed under FDA rules for nonprescription drugs (an FDA monograph or an FDA approval) are listed. Homeopathic products are not listed: the FDA does not evaluate them for safety or effectiveness.