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Label Changes for:

Talwin Nx (pentazocine hydrochloride and naloxone Hydrochloride) Tablets

February 2011

Changes have been made to the PRECAUTIONS sections of the safety label.

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) – February 2011



  • In prescribing pentazocine for long-term use, the physician should take precautions to avoid increases in dose by the patient.