Methylene blue happens to be such a substance. When administered intravenously at a dose of one to two milligrams per kilo of body weight, it is converted by an enzyme in the body to colourless ...

May need to adjust dose of Prozac when used in patients ... or with drugs that impair serotonin metabolism (eg, MAOIs, linezolid, IV methylene blue); monitor. Avoid concomitant drugs known to ...