Last update: Jan. 17, 2016

Glyceryl Trinitrate

Very Low Risk for breastfeeding


Safe. Compatible.
Not risky for breastfeeding or infant.

Vasodilator used to treat cardiac disorders like ischemia and mainly anal fissures.
It is also used during pregnancy as a tocolytic drug in cases of threatened preterm labor and eclampsia.
It has been used to treat heart disorders in babies and children. Even to treat anal fissures in children under 1 year, and noteworthy, in ischemic issues on premature infants without side effects.
It is administered intravenously, orally, sublingually, on skin patches, ointment ...

Because of a moderately-high volume of distribution and very fast metabolism (Tmax and t1 / 2 minutes) it is highly unlikely the passage of significant amounts to the breast milk, especially when applied topically. This explains why it has not been observed any troubles in 40 infants whose mothers with anal fissures were treated with nitroglycerin ointment application even for periods of 12 months. Mothers have complained of headaches that commonly occur with the use of various vasodilators drugs.

The amount of nitrate / nitrite in this type of vasodilator drugs is of few milligrams, therefore, toxicity associated to nitrates such as methemoglobinemia in breastfed infants from treated mothers has not been reported (The dose of nitrite is Rectogesic 1.5 mg / 12 hours).

Alternatives

We do not have alternatives for Glyceryl Trinitrate since it is relatively safe.

Suggestions made at e-lactancia are done by APILAM´s pediatricians and pharmacists, and are based on updated scientific publications.
It is not intended to replace the relationship you have with your doctor but to compound it.

Jose Maria Paricio, Founder & President of APILAM/e-Lactancia

Your contribution is essential for this service to continue to exist. We need the generosity of people like you who believe in the benefits of breastfeeding.

Thank you for helping to protect and promote breastfeeding.

José María Paricio, founder of e-lactancia.

Other names

Glyceryl Trinitrate is also known as


Glyceryl Trinitrate in other languages or writings:

Tradenames

Main tradenames from several countries containing Glyceryl Trinitrate in its composition:

Pharmacokinetics

Variable Value Unit
Bioavailability 30 %
Molecular weight 227 daltons
Protein Binding 60 %
VD 3 l/Kg
Tmax 0,03 - 0,3 hours
T1/2 0,2 - 0,07 hours

References

  1. Kearney L, Wright P, Fhadil S, Thomas M. Postpartum Cardiomyopathy and Considerations for Breastfeeding. Card Fail Rev. 2018 Abstract Full text (link to original source) Full text (in our servers)
  2. Samiee-Zafarghandy S, van den Anker JN, Ben Fadel N. Topical nitroglycerin in neonates with tissue injury: A case report and review of the literature. Paediatr Child Health. 2014 Abstract Full text (link to original source) Full text (in our servers)
  3. Kashanian M, Zamen Z, Sheikhansari N. Comparison between nitroglycerin dermal patch and nifedipine for treatment of preterm labor: a randomized clinical trial. J Perinatol. 2014 Abstract
  4. Conde-Agudelo A, Romero R. Transdermal nitroglycerin for the treatment of preterm labor: a systematic review and metaanalysis. Am J Obstet Gynecol. 2013 Abstract
  5. Mosalli R, Elbaz M, Paes B. Topical Nitroglycerine for Neonatal Arterial Associated Peripheral Ischemia following Cannulation: A Case Report and Comprehensive Literature Review. Case Rep Pediatr. 2013 Abstract Full text (link to original source) Full text (in our servers)
  6. Taylor T, Kennedy D. Safety of topical glyceryl trinitrate in the treatment of anal fissure in breastfeeding women. Birth Defects Research Part a-Clinical and Molecular Teratology. 2008;82:411. Abstract. 2008 Abstract Full text (link to original source) Full text (in our servers)
  7. Vasquez P, Burd A, Mehta R, Hiatt M, Hegyi T. Resolution of peripheral artery catheter-induced ischemic injury following prolonged treatment with topical nitroglycerin ointment in a newborn: a case report. J Perinatol. 2003 Abstract Full text (link to original source) Full text (in our servers)
  8. Kenny SE, Irvine T, Driver CP, Nunn AT, Losty PD, Jones MO, Turnock RR, Lamont GL, Lloyd DA. Double blind randomised controlled trial of topical glyceryl trinitrate in anal fissure. Arch Dis Child. 2001 Abstract Full text (link to original source) Full text (in our servers)
  9. Kirsten R, Nelson K, Kirsten D, Heintz B. Clinical pharmacokinetics of vasodilators. Part II. Clin Pharmacokinet. 1998 Abstract
  10. Wong AF, McCulloch LM, Sola A. Treatment of peripheral tissue ischemia with topical nitroglycerin ointment in neonates. J Pediatr. 1992 Abstract

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