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Magnesium Salicylate Tetrahydrate Oral tablet

It is used to treat mild to moderate pain

Generic Name: magnesium salicylate  |  Brand Name: Novasal

Brand Names: Bayer Select Backache Pain Formula, Doans Pills, Mobidin, Doans Pills Extra Strength, Novasal, Nuprin Backache Caplet, Backache Relief Extra Strength

What is this medicine?

MAGNESIUM SALICYLATE (mag NEE zhum sa LI si late) is a pain reliever. It is used to treat mild to moderate pain. It is also used to treat the pain and swelling of arthritis.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • bleeding problems
  • gout
  • heart disease
  • if you frequently drink alcohol containing drinks
  • kidney disease
  • liver disease
  • low level of vitamin K in blood
  • smoke tobacco
  • stomach ulcers or other problems
  • an unusual or allergic reaction to magnesium salicylate, aspirin, other medicines, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the package or prescription label. You can take this medicine with or without food. If it upsets your stomach, take it with food. Take your medicine at regular intervals. Do not take it more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Patients over 65 years old may have a stronger reaction and need a smaller dose.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • methotrexate
  • probenecid

This medicine may also interact with the following medications:

  • acetazolamide
  • alcohol
  • antibiotics like ciprofloxacin, levofloxacin, ofloxacin, tetracycline
  • aspirin and aspirin-like medicines
  • bismuth subsalicylate
  • cidofovir
  • flavocoxid
  • herbal supplements like feverfew, garlic, ginger, ginkgo biloba, horse chestnut
  • medicines for arthritis
  • medicines for diabetes
  • medicines for gout
  • medicines that treat or prevent blood clots like enoxaparin, heparin, ticlopidine, warfarin
  • methazolamide
  • sulfinpyrazone
  • varicella live vaccine

What should I watch for while using this medicine?

Tell your doctor or health care professional if the pain lasts more than 10 days, if it gets worse, or if there is a new or different kind of pain. Tell your doctor if you see redness or swelling. Also, check with your doctor if a fever that lasts for more than 3 days.

Do not take aspirin or aspirin-like medicines with this medicine. Too much aspirin can be dangerous. Always read the labels carefully.

This medicine can irritate your stomach or cause bleeding problems. Do not smoke cigarettes or drink alcohol while taking this medicine. Do not lie down for 30 minutes after taking this medicine to prevent irritation to your throat.

If you are scheduled for any medical or dental procedure, tell your healthcare provider that you are taking this medicine. You may need to stop taking this medicine before the procedure.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • black, tarry stools
  • bloody, coffee ground-like vomit
  • breathing problems
  • changes in hearing or ringing in the ears
  • confusion
  • pain on swallowing
  • trouble passing urine or change in the amount of urine
  • unusual bleeding or bruising
  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • diarrhea or constipation
  • nausea, vomiting
  • stomach gas or heartburn


Last Updated: June 25, 2009
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