Last update Aug. 17, 2019

Rizatriptan Benzoate

Likely Compatibility

Fairly safe. Mild or unlikely adverse effects. Compatible under certain circumstances. Follow-up recommended. Read Commentary.

Selective agonist for the vascular receptor of 5-hydroxytryptamine-1 (5-HT1, serotonin) with vasoconstrictor action at the intracranial level.
Indicated in acute migraine attack.
Oral administration in a daily dose.

Since the last update we have not found published data on its excretion in breastmilk.

Several expert authors consider its use to be safe or probably safe during breastfeeding (Hale 2019, Briggs 2017, Amundsen 2015, Duong 2010).

Its use, usually in isolated doses, makes the occurrence of adverse effects in infants unlikely (Jürgens 2009).

As there is less published data than for other drugs in the same group, safer known alternatives may be preferable, especially during the neonatal period and in cases of prematurity.


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

Rizatriptan Benzoate in other languages or writings:


Rizatriptan Benzoate belongs to this group or family:


Main tradenames from several countries containing Rizatriptan Benzoate in its composition:


Variable Value Unit
Oral Bioavail. 40 - 45 %
Molecular weight 392 daltons
Protein Binding 14 %
VD 1.8 l/Kg
pKa 9.56 -
Tmax 1 - 2.5 hours
1.6 - 3 hours


  1. Hale TW. Medications & Mothers' Milk. 1991- . Springer Publishing Company. Available from Consulted on April 10, 2024 Full text (link to original source)
  2. AEMPS-MSD. Rizatriptán (Maxalt Max). Ficha técnica. 2018 Full text (in our servers)
  3. Briggs GG, Freeman RK, Towers CV, Forinash AB. Drugs in Pregnancy and Lactation: A Reference Guide to Fetal and Neonatal Risk. Wolters Kluwer Health. Tenth edition (acces on line) 2015
  4. Amundsen S, Nordeng H, Nezvalová-Henriksen K, Stovner LJ, Spigset O. Pharmacological treatment of migraine during pregnancy and breastfeeding. Nat Rev Neurol. 2015 Apr;11(4):209-19. Review. Abstract
  5. Merck. Rizatriptan (Maxalt RPD). Drug Summary. 2015 Full text (in our servers)
  6. Duong S, Bozzo P, Nordeng H, Einarson A. Safety of triptans for migraine headaches during pregnancy and breastfeeding. Can Fam Physician. 2010 Abstract Full text (link to original source) Full text (in our servers)
  7. Jürgens TP, Schaefer C, May A. Treatment of cluster headache in pregnancy and lactation. Cephalalgia. 2009 Abstract

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