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Has anyone had an adverse reaction to the brand Alvogen fentanyl patch?

I just started using a new brand of generic patches.  I am using Alvogen 100 mcg patch  x 4 (400 mcg total) every 48 hrs. I just switched from Duragesic brand name (I was getting these through Johnson & Johnson PAP now defunct as of 05/2020)to these this week.  I noticed my kidneys were hurting right away.  Has anyone had something similar happen?
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20803600 tn?1546262537
Where are you placing the patches on your body? I have never heard of fentanyl causing kidney pain.
I would suggest contacting your doctor or pharmacist.
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