U.S. flag An official website of the United States government
  1. Home
  2. Drug Databases
  3. Drug Safety-related Labeling Changes

Drug Safety-related Labeling Changes (SrLC)

Get Email Alerts | Guide

RYANODEX (NDA-205579)

(DANTROLENE SODIUM)

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

Download Data

Expand all

04/02/2024 (SUPPL-11)

Approved Drug Label (PDF)

6 Adverse Reactions

6.2 Postmarketing Experience

Additions and/or revisions underlined:

Hepatotoxicity

Cases of hepatotoxicity following the use of intravenous dantrolene products have been reported. Elevated liver enzymes have occurred hours to days following use of intravenous dantrolene, though many of these cases were observed in patients with comorbidities (e.g., critical illness).

08/25/2020 (SUPPL-7)

Approved Drug Label (PDF)

8 Use in Specific Populations

Lactation

(PLLR conversion. Please refer to label for complete information.)

Pregnancy

(PLLR conversion. Please refer to label for complete information.)

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

Patient Counseling Information

(Newly added information)

Lactation

Advise females not to breastfeed during treatment with RYANODEX and for 3 days after the final dose [see Use in Specific Populations (8.2)].