• Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services


  • Print
  • Share
  • E-mail

Talwin Nx (pentazocine hydrochloride and naloxone Hydrochloride) Tablets

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

Summary View



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