Methylene Blue 10mg
Methylene blue is a prescription redox agent best known as the standard treatment for acquired methemoglobinemia, a blood condition that reduces oxygen delivery to tissues. Prescribers may also use it for certain other indications at their discretion. After a licensed provider reviews your prescription, your order ships from a licensed U.S. pharmacy.
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30-day supply · $1.50/capsule
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Price: $45.00
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Buy Methylene Blue 10mg Capsules Online
An oxidation-reduction (redox) agent used to treat acquired methemoglobinemia, including drug-induced and toxin-related cases
Methylene Blue 10mg Quick Facts
| Drug class | Oxidation-reduction (redox) agent |
|---|---|
| Treats | Acquired methemoglobinemia, drug-induced methemoglobinemia |
| Form | Capsule |
| Typical dosing | Take 1 capsule by mouth daily. |
| Prescription required | Yes — prescription only |
What Is Methylene Blue 10mg?
Methylene blue is a prescription medication classified as an oxidation-reduction agent. Its FDA-approved use is treating acquired methemoglobinemia, a condition in which hemoglobin cannot carry oxygen effectively, often triggered by certain drugs or chemicals. It works by helping convert methemoglobin back to normal hemoglobin so blood can deliver oxygen properly. This 10mg capsule form is dispensed by prescription and dosed according to your provider's instructions.
What Does Methylene Blue 10mg Treat?
Acquired methemoglobinemia
Drug-induced methemoglobinemia
Toxin- or chemical-induced methemoglobinemia
Ifosfamide-induced encephalopathy (off-label)
Vasoplegic syndrome (off-label)
Other uses as directed by your prescriber
Methylene Blue 10mg Dosage
Methemoglobinemia (per FDA labeling): 1 to 2 mg/kg IV over 5–30 minutes; may repeat once after 1 hour if needed.
Oral capsule dosing: take exactly as directed by your prescriber.
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Methylene Blue 10mg Side Effects
Common side effects
- Blue or green discoloration of urine
- Nausea
- Vomiting
- Headache
- Dizziness
- Sweating
- Abdominal pain
- Altered sense of taste
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Serotonin syndrome (agitation, confusion, rapid heart rate, muscle rigidity)
- Hemolytic anemia, especially with G6PD deficiency
- Severe allergic reaction (anaphylaxis)
- Chest pain or irregular heartbeat
- Worsening methemoglobinemia at high doses
- Severe skin reactions
Warnings & Interactions
Do not use with serotonergic drugs (SSRIs, SNRIs, MAOIs, tricyclics) — risk of serious serotonin syndrome
Contraindicated in G6PD deficiency due to risk of hemolytic anemia
Contraindicated with known hypersensitivity to methylene blue or other thiazine dyes
May cause fetal harm; avoid in pregnancy unless clearly needed
Use caution in renal impairment
May interfere with pulse oximetry readings
Causes blue-green discoloration of urine, stool, and sometimes skin
Tell your prescriber about all medications, supplements, and health conditions before starting methylene blue 10mg.
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