(CNN) One physician had his prescription pad taken away after he repeatedly failed tests assessing his competency.
Another was banned from treating mentally ill inmates and accused of endangering nursing home patients by prescribing excessive dosages of medications.
At least three others had criminal convictions for illegal prescribing.
Avanir Pharmaceuticals paid nearly 500 doctors to speak or consult on its drug, Nuedexta, between 2013 and 2016, according to government data. Through a review of the top prescribers and top paid physicians in this group, CNN identified a dozen who have been disciplined by state medical boards. These offenses included the harmful treatment of nursing home residents and “grossly negligent acts” involving the inappropriate prescribing of dangerous and addictive drugs — resulting in probation, suspension, fines and revoked licenses.
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