I would think that the insurance company would not be liable. Whether of not the prescribing doctor breached the standard of care would need to be reviewed by a medical malpractice attorney.
My first and obvious question which you did not indicate is ...Did anyone, your doctor, or pharmacist tell you to take both of these together? If the insurance company would not cover initially, that tells me that another prescription had to be called in. I don't understand why you had both. You may have a case, but you will need a malpractice attorney in MD to review records. It does seem like you were on way too much pain medicine, and it is possible you may have a case, but I don't know if there are any permanent problems other than anxiety based on your question. Most attorneys do not get involved in these cases because of the costs unless there is a permanent injury.
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