magnesium salicylate (Bayer Select Backache Pain Formula, Doans Pills Extra Strength, Mobidin)

Brand Names: Bayer Select Backache Pain Formula, Doans Pills Extra Strength, Mobidin, MST, Nuprin Backache

Generic Name: magnesium salicylate

• What is magnesium salicylate?
• What are the possible side effects of magnesium salicylate?
• What is the most important information I should know about magnesium salicylate?
• What should I discuss with my healthcare provider before taking magnesium salicylate?
• How should I take magnesium salicylate?
• What happens if I miss a dose?
• What happens if I overdose?
• What should I avoid while taking magnesium salicylate?
• What other drugs will affect magnesium salicylate?
• Where can I get more information?

Magnesium salicylate is a salicylate (sa-LIS-il-ate). It works by reducing substances in the body that cause pain, fever, and inflammation.

Magnesium salicylate is used to treat mild-to-moderate pain, fever, inflammatory conditions, and pain, swelling, or stiffness associated with arthritis.

Magnesium salicylate may also be used for purposes not listed in this medication guide.

Get emergency medical help if you have signs of an allergic reaction: hives; pale or clammy skin; rapid heartbeats; dilated pupils; unexplained weakness or dizziness; fainting; difficult breathing, wheezing; swelling of your face, lips, tongue, or throat.

Stop using magnesium salicylate and call your doctor at once if you have:

• redness or swelling;
• ringing in your ears, hearing loss;
• behavior changes with nausea and vomiting in a child using this medicine;
• worsening fever or pain; or
• signs of stomach bleeding--feeling light-headed, ongoing stomach pain, bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds.

Side effects may be more likely in older adults.

Common side effects may include:

• upset stomach; or
• headache.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Do not take more of this medicine than recommended on the label. An overdose of magnesium salicylate can be fatal.

You should not use this medicine if you are allergic to salicylates (such as aspirin) or other nonsteroidal anti-inflammatory drugs (NSAIDs).

Magnesium salicylate may cause stomach or intestinal bleeding, which can be fatal. These conditions can occur without warning while you are using magnesium salicylate, especially in older adults.

Do not give this medicine to a child or teenager with a fever, flu symptoms, or chicken pox. Salicylates can cause Reye's syndrome, a serious and sometimes fatal condition in children.

You should not use magnesium salicylate if you are allergic to it, or if you have ever had:

• a severe allergic reaction after taking aspirin or an NSAID (non-steroidal anti-inflammatory drug) such as Advil, Motrin, Aleve, Orudis, Indocin, Lodine, Voltaren, Toradol, Mobic, Relafen, Feldene, and others.

Do not give this medicine to a child or teenager with a fever, flu symptoms, or chicken pox. Magnesium salicylate can cause Reye's syndrome, a serious and sometimes fatal condition in children. Magnesium salicylate is not approved for use by anyone younger than 12 years old.

To make sure magnesium salicylate is safe for you, tell your doctor if you have ever had:

• stomach ulcer or bleeding;
• liver disease, cirrhosis, or if you drink more than 3 alcoholic beverages per day;
• kidney disease;
• diabetes;
• heart disease, high blood pressure; or
• asthma.

Taking magnesium salicylate during late pregnancy may cause bleeding in the mother or the baby during delivery. Tell your doctor if you are pregnant or plan to become pregnant.

Magnesium salicylate can pass into breast milk and may harm a nursing baby. You should not breast-feed while using this medicine.

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Take this medicine with a full glass of water.

Take with food if magnesium salicylate upsets your stomach.

If you need surgery, tell the surgeon ahead of time that you are using magnesium salicylate. You may need to stop using the medicine for a short time.

Call your doctor if your symptoms do not improve, or if you have a fever lasting longer than 3 days or pain lasting longer than 10 days.

Store at room temperature away from moisture and heat.

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Since magnesium salicylate is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of magnesium salicylate can be fatal.

Overdose symptoms may include nausea, vomiting, sweating more than usual, ringing in your ears, spinning sensation.

Avoid drinking alcohol while you are taking magnesium salicylate. Alcohol may increase your risk of stomach bleeding.

Ask a doctor or pharmacist before using any cold, allergy, or pain medication. Many medicines available over the counter contain aspirin or other medicines similar to magnesium salicylate. Taking certain products together can cause you to get too much of this type of medication. Check the label to see if a medicine contains aspirin, ibuprofen, ketoprofen, or naproxen.

Ask a doctor or pharmacist if it is safe for you to use magnesium salicylate if you are also using:

• insulin or oral diabetes medicine;
• gout medicine;
• a steroid medicine;
• NSAIDs (nonsteroidal anti-inflammatory drugs)--aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve), celecoxib, diclofenac, indomethacin, meloxicam, and others; or
• a blood thinner--warfarin, Coumadin, Jantoven, and others.

This list is not complete. Other drugs may interact with magnesium salicylate, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Your pharmacist can provide more information about magnesium salicylate.

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