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U.S. Department of Health and Human Services


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Synthroid (levothyroxine sodium tablets, USP) July 2008

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) -- July 2008


The detailed view includes drug products with safety labeling changes to the BOXED WARNING, CONTRAINDICATIONS, WARNINGS, PRECAUTIONS, ADVERSE REACTIONS, or PATIENT PACKAGE INSERT/MEDICATION GUIDE sections. Deletions or editorial revisions made to these sections are not included in this summary.

Summary View

Sections Modified


  • Drug Interactions
    • Table 2
    • Drugs that may decrease T4 absorption, which may result in hypothyroidism
      • Orlistat
        • Patients treated concomitantly with orlistat and levothyroxine should be monitored for changes in thyroid function.


The July 2008 label not available at this site.