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Drug Safety-related Labeling Changes (SrLC)

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AMRIX (NDA-021777)

(CYCLOBENZAPRINE HYDROCHLORIDE)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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04/23/2019 (SUPPL-17)

Approved Drug Label (PDF)

6 Adverse Reactions

Addition of bulleted line listing:

The following clinically significant reactions are described in greater detail, in other sections.

  • Serotonin Syndrome

  • Adverse Cardiovascular Effects

Subheading 6.2 Postmarketing Experience replaces Additional Adverse Reactions from Clinical Studies

8 Use in Specific Populations

8.1 Pregnancy

PLLR conversion; please see label for complete information.

PLLR conversion; newly added subsection:

8.2 Lactation

Risk Summary

There are no data on the presence of cyclobenzaprine in either human or animal milk, the effects on a breastfed infant, or the effects on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for AMRIX and any potential adverse effects on the breastfed child from AMRIX or from the underlying maternal condition.