Memories in Life are Precious For those of you that have severe chronic pain and are considering the use of Fentanyl patches there are some things you may, or may not be aware. Fentanyl was first synthesized and labeled by Janssen Parmaceutica in 1959. The first intravenous anesthetic trade name of Fentanyl was Sublimaze.  Then following a series of mid-1990’s clinical trials a product was produced and marketed as a Duragesic alcohol gel infused patches. These
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