KnowraMethylene blueLinked fromLinked fromThe 9 pages that link to Methylene blue, each with the reason it gives.All 9Broader topic 2Related 3Compared with 4MethemoglobinemiaRelated: It can restore functional hemoglobin, but may be ineffective or harmful in some settings.Paul EhrlichRelated: Ehrlich used dyes to study cells and explore compounds with selective effects on microbes.Ziehl–Neelsen stainRelated: It colors decolorized cells blue, contrasting them with red acid-fast bacteria.