Methadone is a powerful opioid medication that is commonly used to treat severe pain. It is also used in the treatment of opioid addiction. While it is often prescribed by doctors, there is also the option to buy Methadone online. This method of purchasing the medication can be convenient and effective for those who suffer from chronic pain. Methadone works in the body by binding to opioid receptors, which are responsible for regulating pain. This means that it can effectively block pain signals and provide relief for those who are experiencing severe pain. Methadone medicine is in two forms Methadone 5mg and Methadone 10mg.