Are there any risks associated with taking methylene blue?

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Yes. Methylene blue can affect outcomes of some medical tests, so tell your doctor that you are taking this medication. Methylene blue can harm a developing fetus, but it can sometimes be utilized while a woman is pregnant, so make sure to tell the doctor if you are pregnant in order to determine if it is safe to take the medication. It is not known if methylene blue passes through breast milk or if it could hurt a nursing child, so make sure to tell the doctor if you are breastfeeding. Methylene blue can cause anemia or worsen methemoglobinemia, if a person has glucose-6-phosphate dehydrogenase deficiency (G6PD). In individuals with kidney disease, methylene blue can build up in the body. For individuals with cyanide toxicity and methemoglobinemia, the medication might increase cyanide in the blood, worsening the toxicity. Because of the risks associated with methylene blue, it is extremely important to have regular medical monitoring to ensure the medication is working successfully.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.