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<script type="text/javascript" src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/jr.boots.min.js"> </script><title>Ibuprofen - Drugs and Lactation Database (LactMed&reg;) - NCBI Bookshelf</title>
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<meta name="description" content="Because of its extremely low levels in breastmilk, short half-life and safe use in infants in doses much higher than those excreted in breastmilk, ibuprofen is a preferred choice as an analgesic or anti-inflammatory agent in nursing mothers. Giving ibuprofen and acetaminophen on a fixed schedule for 24 hours after vaginal delivery appears to increase the breastfeeding rate. There is no difference in breastfeeding initiation rate between ibuprofen or acetaminophen alone after vaginal delivery.">
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<meta name="og:description" content="Because of its extremely low levels in breastmilk, short half-life and safe use in infants in doses much higher than those excreted in breastmilk, ibuprofen is a preferred choice as an analgesic or anti-inflammatory agent in nursing mothers. Giving ibuprofen and acetaminophen on a fixed schedule for 24 hours after vaginal delivery appears to increase the breastfeeding rate. There is no difference in breastfeeding initiation rate between ibuprofen or acetaminophen alone after vaginal delivery.">
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id="jr-fip-next" class="wsprkl btn" title="Jump to next match">&#9654;</a></nav></nav></div><div id="jr-epub-interstitial" class="hidden"></div><div id="jr-content"><article data-type="main"><div class="main-content lit-style" itemscope="itemscope" itemtype="http://schema.org/CreativeWork"><div class="meta-content fm-sec"><div class="fm-sec"><h1 id="_NBK500986_"><span class="title" itemprop="name">Ibuprofen</span></h1><p class="fm-aai"><a href="#_NBK500986_pubdet_">Publication Details</a></p><p><em>Estimated reading time: 3 minutes</em></p></div></div><div class="jig-ncbiinpagenav body-content whole_rhythm" data-jigconfig="allHeadingLevels: ['h2'],smoothScroll: false" itemprop="text"><p>CASRN: 15687-27-1</p><a href="https://pubchem.ncbi.nlm.nih.gov/substance/134991986" title="View this structure in PubChem" class="img_link" ref="pagearea=body&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubchem"><img src="https://pubchem.ncbi.nlm.nih.gov/image/imgsrv.fcgi?t=l&amp;sid=134991986" alt="image 134991986 in the ncbi pubchem database" /></a><div id="LM142.Drug_Levels_and_Effects"><h2 id="_LM142_Drug_Levels_and_Effects_">Drug Levels and Effects</h2><div id="LM142.Summary_of_Use_during_Lactation"><h3>Summary of Use during Lactation</h3><p>Because of its extremely low levels in breastmilk, short half-life and safe use in infants in doses much higher than those excreted in breastmilk, ibuprofen is a preferred choice as an analgesic or anti-inflammatory agent in nursing mothers. Giving ibuprofen and acetaminophen on a fixed schedule for 24 hours after vaginal delivery appears to increase the breastfeeding rate. There is no difference in breastfeeding initiation rate between ibuprofen or acetaminophen alone after vaginal delivery.</p></div><div id="LM142.Drug_Levels"><h3>Drug Levels</h3><p><i>Maternal Levels.</i> Two early studies attempted measurement of ibuprofen in milk. In one, the patient's dose was 400 mg twice daily, while in the second study of 12 patients, the dose was 400 mg every 6 hours. Ibuprofen was undetectable in breastmilk in both studies (&#x0003c;0.5 and 1 mg/L, respectively).[<a class="bibr" href="#LM142.REF.1" rid="LM142.REF.1">1</a>,<a class="bibr" href="#LM142.REF.2" rid="LM142.REF.2">2</a>]</p><p>A later study using a more sensitive assay found ibuprofen in the breastmilk of one woman who took 6 doses of 400 mg orally over 42.5 hours. A milk ibuprofen level of 13 mcg/L was detected 30 minutes after the first dose. The highest level measured was 180 mcg/L about 4 hours after the third dose, 20.5 hours after the first dose. The authors estimated that the infant would receive about 17 mcg/kg daily (100 mcg daily) with the maternal dose of approximately 1.2 grams daily. This dose represents 0.0008% of the maternal weight-adjusted dosage[<a class="bibr" href="#LM142.REF.3" rid="LM142.REF.3">3</a>] and 0.06% of the commonly accepted infant dose of 30 mg/kg daily (10 mg/kg every 8 hours).</p><p>Single milk samples were taken from 13 women between 1.5 and 8 hours after the third dose of ibuprofen in a daily dosage regimen averaging 1012 mg daily (range 400 to 1200 mg daily). Of the 13 milk samples analyzed, the mean milk concentration was 361 mcg/L (range 164 to 590 mcg/L). The mean weight-adjusted percentage of the maternal dosage (relative infant dosage [RID]) was estimated to be &#x0003c;0.38%; however, the RID varied with the time postpartum and the milk protein content. The RID was highest in the colostral phase when the milk protein content was the highest (RID 0.6%). The estimated mean dosage for a fully breastfed infants was 68 mcg/kg daily or 0.2% of a pediatric dosage.[<a class="bibr" href="#LM142.REF.4" rid="LM142.REF.4">4</a>]</p><p><i>Infant Levels.</i> Relevant published information was not found as of the revision date.</p></div><div id="LM142.Effects_in_Breastfed_Infants"><h3>Effects in Breastfed Infants</h3><p>At least 23 cases are reported in the literature in which infants (ages not stated) were breastfed during maternal ibuprofen use with no adverse effects reported.[<a class="bibr" href="#LM142.REF.1" rid="LM142.REF.1">1</a>,<a class="bibr" href="#LM142.REF.3" rid="LM142.REF.3">3</a>,<a class="bibr" href="#LM142.REF.5" rid="LM142.REF.5">5</a>]</p></div><div id="LM142.Effects_on_Lactation_and_Breastmil"><h3>Effects on Lactation and Breastmilk</h3><p>A randomized study compared the use of ibuprofen 400 mg plus acetaminophen 1 gram every 6 hours for 24 hours to the same combination on demand after normal vaginal delivery. Women who received the analgesics on a fixed schedule were more likely to breastfeed their baby (98% vs 88%) than those receiving analgesics on demand, even though their average pain scores were not different.[<a class="bibr" href="#LM142.REF.6" rid="LM142.REF.6">6</a>]</p><p>A double-blind study compared acetaminophen 1000 mg to ibuprofen for pain control after vaginal delivery. No difference was seen between the two treatments in the percentage of mothers who initiated breastfeeding of their infants.[<a class="bibr" href="#LM142.REF.7" rid="LM142.REF.7">7</a>]</p></div><div id="LM142.Alternate_Drugs_to_Consider"><h3>Alternate Drugs to Consider</h3><p><a href="/books/n/lactmed/LM330/?report=reader">Acetaminophen</a>, <a href="/books/n/lactmed/LM118/?report=reader">Flurbiprofen</a>, <a href="/books/n/lactmed/LM145/?report=reader">Indomethacin</a>, <a href="/books/n/lactmed/LM195/?report=reader">Naproxen</a>, <a href="/books/n/lactmed/LM219/?report=reader">Piroxicam</a></p></div><div id="LM142.References"><h3>References</h3><dl class="temp-labeled-list"><dl class="bkr_refwrap"><dt>1.</dt><dd><div class="bk_ref" id="LM142.REF.1">Weibert
RT, Townsend
RJ, Kaiser
DG, et al.
Lack of ibuprofen secretion into human milk.
Clin Pharm
1982;1:457-8.
[<a href="https://pubmed.ncbi.nlm.nih.gov/7184678" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 7184678</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>2.</dt><dd><div class="bk_ref" id="LM142.REF.2">Townsend
RJ, Benedetti
TJ, Erickson
SH, et al.
Excretion of ibuprofen into breast milk.
Am J Obstet Gynecol
1984;149:184-6.
[<a href="https://pubmed.ncbi.nlm.nih.gov/6720796" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 6720796</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>3.</dt><dd><div class="bk_ref" id="LM142.REF.3">Walter
K, Dilger
C. Ibuprofen in human milk.
Br J Clin Pharmacol
1997;44:211-2.
[<a href="https://pubmed.ncbi.nlm.nih.gov/9278216" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 9278216</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>4.</dt><dd><div class="bk_ref" id="LM142.REF.4">Rigourd
V, de Villepin
B, Amirouche
A, et al.
Ibuprofen concentrations in human mature milk--first data about pharmacokinetics study in breast milk with AOR-10127 "Antalait" study.
Ther Drug Monit
2014;36:590-6.
[<a href="https://pubmed.ncbi.nlm.nih.gov/24695355" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 24695355</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>5.</dt><dd><div class="bk_ref" id="LM142.REF.5">Ito
S, Blajchman
A, Stephenson
M, et al.
Prospective follow-up of adverse reactions in breast-fed infants exposed to maternal medication.
Am J Obstet Gynecol
1993;168:1393-9.
[<a href="https://pubmed.ncbi.nlm.nih.gov/8498418" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 8498418</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>6.</dt><dd><div class="bk_ref" id="LM142.REF.6">Bachar
G, Alter
A, Justman
N, et al.
Fixed-time interval vs on-demand oral analgesia after vaginal delivery: A randomized controlled trial.
Am J Obstet Gynecol MFM
2024;6:101372.
[<a href="https://pubmed.ncbi.nlm.nih.gov/38583715" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 38583715</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>7.</dt><dd><div class="bk_ref" id="LM142.REF.7">Ram
S, Madar
D, Ram
HS, et al.
Paracetamol versus ibuprofen for early postpartum pain control: A randomized controlled trial.
Arch Gynecol Obstet
2024.
[<a href="https://pubmed.ncbi.nlm.nih.gov/39499309" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 39499309</span></a>]</div></dd></dl></dl></div></div><div id="LM142.Substance_Identification"><h2 id="_LM142_Substance_Identification_">Substance Identification</h2><div id="LM142.Substance_Name"><h3>Substance Name</h3><p>Ibuprofen</p></div><div id="LM142.CAS_Registry_Number"><h3>CAS Registry Number</h3><p>15687-27-1</p></div><div id="LM142.Drug_Class"><h3>Drug Class</h3><p>Breast Feeding</p><p>Lactation</p><p>Milk, Human</p><p>Analgesic Agents</p><p>Anti-inflammatory Agents, Nonsteroidal</p></div></div><div><dl class="temp-labeled-list small"><dl class="bkr_refwrap"><dt></dt><dd><div><p class="no_top_margin"><p><b>Disclaimer: </b>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.</p></p></div></dd></dl></dl></div><div id="bk_toc_contnr"></div></div></div><div class="fm-sec"><h2 id="_NBK500986_pubdet_">Publication Details</h2><h3>Publication History</h3><p class="small">Last Revision: <span itemprop="dateModified">November 15, 2024</span>.</p><h3>Copyright</h3><div><div class="half_rhythm"><a href="/books/about/copyright/">Copyright Notice</a><p class="small"><b>Attribution Statement:</b> LactMed is a registered trademark of the U.S. Department of Health and Human Services.</p></div></div><h3>Publisher</h3><p><a href="https://www.nlm.nih.gov/" ref="pagearea=page-banner&amp;targetsite=external&amp;targetcat=link&amp;targettype=publisher">National Institute of Child Health and Human Development</a>, Bethesda (MD)</p><h3>NLM Citation</h3><p>Drugs and Lactation Database (LactMed&#x000ae;) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006-. Ibuprofen. [Updated 2024 Nov 15].<span class="bk_cite_avail"></span></p></div><div class="small-screen-prev"><a href="/books/n/lactmed/LM1267/?report=reader"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M75,30 c-80,60 -80,0 0,60 c-30,-60 -30,0 0,-60"></path><text x="20" y="28" textLength="60" style="font-size:25px">Prev</text></svg></a></div><div class="small-screen-next"><a href="/books/n/lactmed/LM1250/?report=reader"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M25,30c80,60 80,0 0,60 c30,-60 30,0 0,-60"></path><text x="20" y="28" textLength="60" style="font-size:25px">Next</text></svg></a></div></article></div><div id="jr-scripts"><script src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/libs.min.js"> </script><script src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/jr.min.js"> </script></div></div>
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