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Methylene Blue

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Methylene Blue

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Methylene Blue Patient Information including How Should I Take

What should I discuss with my health care provider before taking methylene blue (Methylene Blue)?

You should not use this medication if you are allergic to methylene blue, or if you have severe kidney problems.

If you have certain conditions, you may need a dose adjustment or special tests to safely use this medication. Before using methylene blue, tell your doctor if you have:

  • kidney disease; or
  • glucose-6-phosphate dehydrogenase (G6PD) deficiency.

FDA pregnancy category C. Methylene blue may cause harm to an unborn baby, but the medication may sometimes be used during pregnancy. Your doctor will determine whether or not this medication is safe or if it will harm the unborn baby. Before you are treated with methylene blue, tell your doctor if you are pregnant.

It is not known whether methylene blue passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take methylene blue (Methylene Blue)?

Use this medication exactly as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

The usual dose of oral methylene blue is 1 or 2 tablets after meals, 3 times per day.

Take the methylene blue tablet with a full glass (8 ounces) of water.

Methylene blue injection is given through a needle placed into a vein. Your doctor, nurse, or other healthcare provider will give you this injection in a clinic or hospital setting.

To be sure this medication is helping your condition, your blood may need to be tested often. This will help your doctor determine how long to treat you with methylene blue. Do not miss any scheduled appointments.

Methylene blue will most likely cause your urine or stools to appear blue or green in color. This is a normal side effect of the medication and will not cause any harm.

This medication can cause you to have unusual results with certain medical tests. Tell any doctor who treats you that you are using methylene blue.

Store methylene blue tablets at room temperature away from moisture, heat, and light.

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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