Methylene Blue Injection 5 mg per mL Single-Dose Vials 10 mL x 5/BoxMethylene Blue Injection is used primarily for the treatment of methemoglobinemia, a condition where methemoglobin levels are elevated in the blood, impairing the blood's ability to deliver oxygen to tissues. It's also used as a dye for certain surgical and diagnostic procedures. Additionally, methylene blue has applications as an antidote for certain types of drug or chemical poisonings and can be used in some cases for urinary tract infections and