Buy Fentanyl Patch Online. Fentanyl is an opioid used as a pain medication and together with other medications for anesthesia. Fentanyl is also used as a recreational drug, often mixed with heroin or cocaine. It has a rapid onset and its effects generally last less than two hours. Medically, fentanyl is used by injection, as a patch on the skin, as a nasal spray, or in the mouth.
Fentanyl was first made by Paul Janssen in 1960 and approved for medical use in the United States in 1968. In 2015, 1,600 kilograms (3,500 lb) were used in healthcare globally. As of 2017, fentanyl was the most widely used synthetic opioid in medicine. Fentanyl patches for cancer pain are on the WHO List of Essential Medicines, which lists the most effective and safe medicines needed in a health system. For a 100 microgram vial, the average wholesale cost in the developing world was US$0.66 in 2015.