Methylene - METH-i-leen blue is using to treat a condition called methemoglobinemia. This condition occurs when the blood can't deliver oxygen where it is needed in the body. Methylene blue is also using as a dye to stain certain parts of the body before or during surgery.
Some commonly using brand names are:
In the USA
Generic name product may be available in the USA and Canada.
Other commonly using names are aniline violet , methylthionine chloride and tetramethylthionine chloride .