Can I Take Butrans Patch With Oxycodone, Gabapentin, Benicar And Lorazepam?

i am currently taking oxycodone 20 mg and gabapentin 300 mg for severe back pain, but I also take Benicar for controlling my blood pressure,and lorazepam for my anxiety disorder,my question is that my back doctor just prescribed me the butrans 10mg patch and I need to know if it will harm me at all with all the current meds I am already taking,thanks in advance for your response.