Dantrolene use while Breastfeeding
Drugs containing Dantrolene: Dantrium, Dantrium Intravenous
Dantrolene Levels and Effects while Breastfeeding
Summary of Use during Lactation
Because no information is available on the long-term use of dantrolene during breastfeeding, an alternate drug may be preferred, especially while nursing a newborn or preterm infant. After short-term use, the drug would be expected to be eliminated from milk in 1 to 2 days.
Drug Levels
Maternal Levels. Administration of several intravenous dantrolene doses were given over 3 days to a postpartum mother in divided doses. Total daily dosages were 720 mg on day 1, 320 mg on day 2, and 80 mg on day 3. A milk level of 1.2 mg/L was measured on day 2 after a total of 640 mg had been given. The milk level was 50 mcg/L on day 4 about 35 hours after the last dose. Dantrolene half-life in milk was 9.2 hours.[1]
Infant Levels. Relevant published information was not found as of the revision date.
Effects in Breastfed Infants
Relevant published information was not found as of the revision date.
Possible Effects on Lactation
Relevant published information was not found as of the revision date.
Alternate Drugs to Consider
References
1. Fricker RM, Hoerauf KH, Drewe J et al. Secretion of dantrolene into breast milk after acute therapy of a suspected malignant hyperthermia crisis during cesarean section. Anesthesiology. 1998;89:1023-5. PMID: 9778021
Dantrolene Identification
Substance Name
CAS Registry Number
7261-97-4
Drug Class
- Muscle Relaxants, Central
Administrative Information
LactMed Record Number
435
Information from the National Library of Medicine's LactMed Database.
Last Revision Date
2010-11-01
Disclaimer
Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.
See Also...
- Dantrolene use during Pregnancy
- Dantrolene Consumer Information
- Breastfeeding Support Group
- Safe Medications during Breastfeeding
- Medicine use while Breastfeeding
- Medicine use during Pregnancy
Disclaimer: This information is not intended as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. Use of this website signifies your agreement to the Terms of Use and Online Privacy Policy.
