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Doans Pills Extra Strength

Generic name: magnesium salicylate [mag-NEE-zee-um-sa-LIS-i-late]

Brand names: Doans Pills Extra Strength, MST, Nuprin Backache

What is Doans Pills Extra Strength?

Doans pills Extra strength is a nonsteroidal (NSAID) drug in a class of drugs known as salicylates. Doans Pills Extra strength is used for temporary relief of backache. Doans Extra Strength can be used in other ways not mentioned in this guide.

Side Effects of Doans Pills Extra Strength

If you experience any of the following symptoms, seek emergency medical attention: sneezing; runny or stuffy nasal passages; wheezing; difficulty breathing; hives or swelling of the face, lips, or tongue; or throat.

Doan Pills can cause serious side effects. Doans Pills Extra Strength should be stopped immediately, and you should consult your doctor if:

  • New symptoms, such as swelling or redness;
  • Hearing Loss
  • A feeling of lightheadedness, as if you could pass out.
  • New or worsening stomach discomfort
  • Bloody or tarry stool, vomiting blood, or vomit that looks like coffee grounds

You may experience less serious side effects or none at all. There may be other side effects. For medical advice on side effects, call your doctor. The FDA can be contacted at 1-800-FDA-1088 to report side effects.


Doans Extra Strength may increase your risk of a fatal stroke or heart attack. This medicine should not be taken before or immediately after heart bypass surgery. This medicine can also cause fatal stomach or intestinal bleeding. Do not give this medicine to children or teens with flu symptoms or chickenpox.

Before you take this drug

Doans Extra Strength may increase your risk for a fatal heart attack or stroke even if there are no risk factors. Doans Pills extra strength should not be taken before or after heart bypass (coronary arterial bypass graft, or CABG). Doans pills can also cause fatal stomach or intestinal bleeding. You may not be aware of these conditions if you use this medication, particularly if you are older. This medicine should not be used if you have an allergy to aspirin or any other salicylates. Before giving this medicine to children younger than 12 years old, consult a physician. Do not give this medicine if your child has a fever or flu symptoms. Salicylates may cause Reye’s syndrome.

If you have had any of the following:

  • Bleeding problems
  • Heartburn or stomach bleeding
  • Asthma;
  • High blood pressure.
  • Liver diseases or cirrhosis;
  • Kidney disease
  • Arthritis, gout;

Consult your doctor before taking this medication if you're pregnant or nursing. Do not take an NSAID if you are pregnant unless you have been told to by your doctor. NSAIDs can cause kidney or heart problems for the unborn child and may also lead to complications during pregnancy.

How to take Doans Extra Strength?

Follow the instructions on the label or those prescribed by your doctor. Take this medication with a glass of water. If this medication upsets your stomach, take it with food. If your symptoms worsen or you continue to experience pain after 10 consecutive days, call your doctor. Inform your doctor if the fever lasts more than three days or if there is any swelling or redness. Tell your dentist or surgeon that you use Doans Extra Strength before you undergo any dental or surgical work. You may have to temporarily stop taking the medicine. Store away from heat and moisture at room temperature.

What happens if I miss the dose?

Doans Extra Strength can be taken as needed. You may not have a regular dosing routine. If it is almost time for the next dose, skip any missed dose. Never take two doses in one go.

What happens if I overdose?

Call the Poison Help Line at 1-800-222-1222 or seek emergency medical care. A magnesium salicylate overdose can be fatal.

What should be avoided?

Avoid alcohol. Avoid alcohol. They may contain ingredients similar to Doans Pills Extra Strength. These medicines may contain similar ingredients to Doans Extra Strength (such as aspirin, ibuprofen, ketoprofen, and naproxen).

Interaction with other drug

If you are taking:

  • Medicine to treat gout and arthritis
  • Insulin or oral diabetes medication;
  • Other NSAIDs include aspirin, ibuprofen, naproxen, celecoxib (Advil), diclofenac (Indomethacin), meloxicam (Aleve), and many others.
  • A blood thinner—warfarin, Coumadin, or Jantoven

This list is incomplete. Doans Pills extra strength may be affected by other drugs, such as prescription and over-the-counter medicines, vitamins, and herbal products. This list does not include all drug interactions.