Last update July 29, 2024

Mequitazine

Limited compatibility

Unsafe. Moderate/severe adverse effects. Compatible under certain circumstances. Follow-up recommended. Use safer alternative or discontinue breastfeeding from 5 to 7 T ½ . Read Commentary.

Mequitazine, a phenothiazine derivative, is a 2nd generation antihistamine, histamine H1 antagonist, with antimuscarinic and mild sedative properties. It is used in allergic diseases such as urticaria, pruritus, rhinitis and conjunctivitis. Oral administration twice daily.

At the time of the last update, we found no published data on its excretion in breast milk.

The paucity of published pharmacokinetic data prevents prediction of possible excretion into breast milk. Other known safer antihistamines are preferable, especially during the neonatal period and in case of prematurity.

Follow-up for sedation and feeding ability of the infant. Bed-sharing is not recommended for mothers who are taking this medication. (UNICEF 2018, 2017, 2014, 2013 y 2006, Landa 2012, ABM 2008)

Alternatives

Suggestions made at e-lactancia are done by APILAM team of health professionals, and are based on updated scientific publications. It is not intended to replace the relationship you have with your doctor but to compound it. The pharmaceutical industry contraindicates breastfeeding, mistakenly and without scientific reasons, in most of the drug data sheets.

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

Mequitazine in other languages or writings:

Group

Mequitazine belongs to this group or family:

Tradenames

Main tradenames from several countries containing Mequitazine in its composition:

Pharmacokinetics

Variable Value Unit
Molecular weight 323 daltons
Tmax 7 - 10 hours
22 - 45 hours

References

  1. UNICEF UK. Caring for your baby at night. A guide for parents. 2018 Full text (link to original source) Full text (in our servers)
  2. UNICEF. Ball H, Blair PS. (For UNICEF UK). Caring for your baby at night. Health professional´s guide. 2017 Full text (link to original source) Full text (in our servers)
  3. Ahn SH, Maeng HJ. Quantification of mequitazine in human plasma by gas chromatography- quadrupole mass spectrometry and its application to a human pharmacokinetic study. Biomed Chromatogr. 2016 Apr;30(4):574-8. Abstract
  4. UNICEF UK. Statement on co-sleeping following publication of new NICE postnatal guidance. Infosheet. 2014 Full text (link to original source) Full text (in our servers)
  5. UNICEF UK Baby Friendly Initiative statement on Bed-sharing when parents do not smoke: is there a risk of SIDS? An individual level analysis of five major case-control studies. None 2013 Full text (link to original source) Full text (in our servers)
  6. L.Landa Rivera, M.Díaz-Gómez, A.Gómez Papi, J.M.Paricio Talayero, C.Pallás Alonso, M.T.Hernández Aguilar, J.Aguayo Maldonado, J.M.Arena Ansotegui, S.Ares Segura, A.Jiménez Moya, J.J.Lasarte Velillas, J.Martín Calama, M.D.Romero Escós. El colecho favorece la práctica de la lactancia materna y no aumenta el riesgo de muerte súbita del lactante. Dormir con los padres. Rev Pediatr Aten Primaria. 14:53-60 2012 Full text (link to original source) Full text (in our servers)
  7. ABM - The Academy of Breastfeeding Medicine Protocol Committee. ABM Clinical Protocol #6: Guideline on Co-Sleeping and Breastfeeding. Breastfeeding Medicine 2008 Abstract Full text (link to original source) Full text (in our servers)
  8. ABM - Comité de protocolos de la Academia médica de lactancia materna (Academy of Breastfeeding Medicine). Protocolo Clínico de la ABM #6: Lineamientos sobre la práctica de dormir al bebé junto con la madre y la lactancia materna Revisión, marzo de 2008. Breastfeeding Medicine 2008 Full text (link to original source) Full text (in our servers)
  9. UNICEF UK. Compartiendo la cama con tu bebé. Guía para madres que amamantan. Folleto 2006 Full text (in our servers)
  10. Kwon OS, Kim HJ, Pyo H, Chung SJ, Chung YB. Determination of mequitazine in human plasma by gas-chromatography/mass spectrometry with ion-trap detector and its pharmacokinetics after oral administration to volunteers. Arch Pharm Res. 2005 Oct;28(10):1190-5. Abstract

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