Calculator
Is methylene blue toxic?
Posted August 18, 2021
Answer
Methylene blue is safe only when used in therapeutic doses of less than 2mg per kg. It can cause toxicity when used in higher doses. Adverse effects of high doses of methylene blue may include coronary vasoconstriction, cardiac arrhythmias, increased pulmonary vascular pressure and decreased cardiac output, mesenteric blood flow and renal blood flow among others.
Additional resources