Methylene Blue works by blocking endothelin receptors (ET-A and ET-B) on the smooth muscles lining blood vessels. This action reduces blood vessel constriction, improves oxygen delivery to tissues, and alleviates symptoms like breathlessness and fatigue associated with PAH.
Overview
- Condition: New
Features:
- Methylene blue is a salt used as a dye and as a medication. As a medication, it is mainly used to treat methemoglobinemia.



