 [ Symptoms ] can fentanyl be used for weight loss can fentanyl be used as a weight loss drug i went to a clinic and they want to put me on fentanyl injections for said weight loss they claim 45 to 65 pounds can be lost in 2 months but everything i have read says its a pain reliver [ Disease ] hi seems your passing your uterine lining its quite a normal thing for women to do most of the time you would not see this happen do hope this helps you good luck