Methemoglobin is a form of hemoglobin. Hemoglobin is a substance in the blood that carries oxygen and distributes it to your tissues and organs. However, methemoglobin is not a type of hemoglobin that is useful in carrying oxygen.
Methemoglobin normally exists in small amounts in the blood. However, when methemoglobin levels increase, the blood is less efficient in circulating oxygen. The resulting lack of oxygen throughout the body can cause symptoms such as pale or blue-colored skin.
Methemoglobinemia is a condition in which methemoglobin is present at high levels in the blood. Methemoglobinemia can occur when a person is exposed to certain drugs or chemicals such as nitrites.
Methylene blue injection is used to treat methemoglobinemia. Buy methylene blue by converting methemoglobin to a more efficient type of hemoglobin to better carry oxygen throughout the body.
Methylene blue may also be used for purposes not listed in this medication guide.
How is methylene blue given?
Methylene blue is injected into a vein through an IV. A healthcare provider will give you this injection. The IV infusion can take up to 30 minutes to complete.
Your breathing, blood pressure, oxygen levels, kidney function, and other vital signs will be watched closely while you are receiving methylene blue. Your blood will also need to be tested to help your doctor determine that the medicine is working.
You may only need to receive one dose of methylene blue buy. If you do need a second dose, it can be given 1 hour after your first dose.
Methylene blue will most likely cause your urine or stools to appear blue or green. This is a normal side effect of the medication and will not cause any harm. However, this effect may cause unusual results with certain urine tests.