Methylene blue is a widely used compound in the medical field. It has been utilized for more than a century as an antiseptic, anti-fungal agent, and dye to detect tissue damage. In recent years its therapeutic potential has expanded and it is now being used for many different applications. The most common application of methylene blue is as an intravenous injection into the bloodstream which can help treat serious infections such as sepsis or malaria. Additionally, it can be applied topically to wounds to reduce infection and improve healing time while also providing pain relief due to its anti-inflammatory properties. Methylene blue may also be injected directly into tumors or cysts that cannot be removed surgically in order to shrink them down so they are easier to remove during surgery or dissipate over time on their own. Finally, methylene blue has been studied extensively for use in treating neuropathic pain conditions by injecting it directly into affected nerves or using transdermal patches that slowly release the medication through the skin over time. Each method of application will have different dosing requirements based on individual need so it's important to consult with your doctor before attempting any at home treatments with methylene blue.