Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 1/6/2026

Safety of Ibuprofen and Paracetamol During Breastfeeding

Evidence for Safety

  • Both ibuprofen and paracetamol are considered safe to use during breastfeeding and can be used without interrupting breastfeeding, as supported by multiple studies 1, 2, 3
  • Ibuprofen has been used extensively for postpartum pain and during lactation, and is considered safe to use during breastfeeding, with low levels of excretion in human milk 1, 2, 3
  • Paracetamol transfers into breast milk in varying concentrations, but the amount an infant would ingest is significantly less than the pediatric therapeutic dose, making it a safe choice for breastfeeding mothers 1, 2, 3
  • The American Academy of Pediatrics recommends non-opioid drugs such as paracetamol and NSAIDs as they are compatible with breastfeeding 4, 5

Potential Concerns and Monitoring

  • Unlike some medications that require caution during breastfeeding, paracetamol and ibuprofen do not require special monitoring of the infant 4
  • Paracetamol use during breastfeeding does not pose the same concerns as its use during pregnancy, and is considered safe 1, 2, 3

Alternative Options

  • Non-pharmacological approaches like physical therapy and heat/cold therapy are also considered safe alternatives for breastfeeding women 4, 5

Breastfeeding and Pain Relief Medication

Safety and Compatibility

  • Paracetamol (acetaminophen) and NSAIDs, including ibuprofen, are explicitly listed as compatible with breastfeeding by the Association of Anaesthetists, with no requirement to interrupt nursing 6
  • The American Academy of Pediatrics recommends both paracetamol and NSAIDs as preferred non-opioid analgesics for breastfeeding women 6
  • Expressing and discarding breast milk after taking these medications is completely unnecessary, and breastfeeding can occur immediately after taking either ibuprofen or acetaminophen without any waiting period 6

Dosing and Administration

  • The Association of Anaesthetists suggests taking the lowest effective dose for the shortest duration needed, and multimodal analgesia combining both non-opioid drugs should be encouraged to minimize the need for stronger medications 6

Special Considerations

  • If the infant is less than 6 weeks of age (corrected for gestation), extra caution should be exercised with any medication due to immature hepatic and renal function, though both ibuprofen and acetaminophen remain safe options 6
  • Preterm infants have the highest sensitivity to medications, followed by neonates, then young infants 6

Ibuprofen Safety During Breastfeeding

Evidence-Based Safety Profile

  • The Association of Anaesthetists guidelines list ibuprofen as compatible with breastfeeding, with no requirement to interrupt nursing or express and discard breast milk, posing no risk to the infant 7

Clinical Recommendations

  • The American Association of Anaesthetists recommends using the lowest effective dose of ibuprofen for the shortest duration needed, and multimodal analgesia combining ibuprofen with paracetamol is encouraged to minimize the need for opioid medications 7
  • The Association of Anaesthetists suggests that ibuprofen allows mothers to maintain their ability to care for their infants without sedation concerns that accompany opioid use 7

Special Considerations for Young Infants

  • Extra caution should be exercised when the infant is less than 6 weeks of age due to immature hepatic and renal function, although this caution applies more significantly to opioids than to NSAIDs like ibuprofen 7

Alternative Safe Options

  • The Association of Anaesthetists guidelines state that paracetamol is equally safe and compatible with breastfeeding, and other NSAIDs including diclofenac, naproxen, and ketorolac are also safe alternatives 7

Medications Safe for Breastfeeding for Joint Pain Management

Safe Medication Options

  • The American Academy of Pediatrics considers ibuprofen, naproxen, and indomethacin safe for breastfeeding mothers, with minimal excretion in breast milk and low infant exposure 8
  • The American Academy of Pediatrics recommends ibuprofen as a preferred non-opioid analgesic for breastfeeding mothers, with a favorable safety profile 8
  • When breastfeeding, especially in situations where the infant has jaundice, NSAIDs like ibuprofen should be used with caution as they can displace bilirubin, and large doses of aspirin should be avoided due to the risk of salicylate intoxication and bleeding in the neonate 8
  • Clear parental education on correct dosing and intervals for NSAIDs, such as ibuprofen, should be provided to breastfeeding mothers, and medications should be stored in childproof containers to prevent dosing errors 8

Safe NSAID Use During Lactation

Introduction to Safe NSAID Options

  • The European League Against Rheumatism (EULAR) guidelines state that ibuprofen has the most reassuring data among all NSAIDs during lactation, making it the safest option for breastfeeding mothers 9, 10
  • The EULAR guidelines also rank diclofenac as the second safest option after ibuprofen, stating it is "followed by diclofenac" in terms of reassuring safety data 9, 10
  • The EULAR guidelines note that "data for COX-2 inhibitors are limited" during lactation, recommending that they be avoided 9, 10

NSAID Use During Breastfeeding

  • The Association of Anaesthetists recommends ibuprofen, diclofenac, naproxen, celecoxib, ketorolac, and parecoxib as compatible NSAIDs for breastfeeding, with aceclofenac notably absent due to insufficient safety data 11
  • The Association of Anaesthetists guidelines suggest ibuprofen as the first-line NSAID choice during lactation, with the most reassuring safety data 11
  • Diclofenac is considered the second safest NSAID option after ibuprofen, with established compatibility during breastfeeding 11

Clinical Considerations

  • When a breastfeeding mother requires NSAID therapy, the first choice should be ibuprofen at the lowest effective dose for the shortest duration, according to the Association of Anaesthetists guidelines 11
  • The Association of Anaesthetists guidelines also recommend diclofenac as the second choice if ibuprofen is contraindicated or ineffective 11

Naproxen Use During Lactation

Evidence-Based Safety Profile

  • The American Academy of Family Physicians (AAFP) explicitly states that naproxen is safe to use in breastfeeding women, based on consensus guidelines 12
  • The American Academy of Family Physicians recommends naproxen as compatible with lactation, with minimal excretion in breast milk, approximately 1% of maternal plasma concentration 12

Clinical Recommendations

  • The American Academy of Family Physicians suggests that naproxen has a longer half-life than ibuprofen, making short-acting agents theoretically preferable for long-term use, though naproxen is explicitly safe 12

Ibuprofen Safety for Nursing Mothers

Clinical Recommendations

  • The Association of Anaesthetists recommends that opioids should not be used as a default for routine pain relief in breastfeeding mothers, as they carry significantly higher risks of infant sedation, respiratory depression, and even death compared to NSAIDs like ibuprofen, which is considered safe for use during breastfeeding 13, 14

Special Considerations for Pain Management

  • The American Academy of Pediatrics and other guideline societies imply that the benefits of breastfeeding outweigh the negligible risks associated with ibuprofen use, and therefore, breastfeeding should not be discontinued unnecessarily, and ibuprofen can be used as a safe alternative to opioids for pain relief in nursing mothers 13, 14

Ibuprofen Safety During Breastfeeding

Pharmacokinetic Properties

  • The relative infant dose of ibuprofen is less than 10%, which meets the safety threshold established by guidelines, where drugs with relative infant dose below 10% are considered preferred options for breastfeeding women, according to the Association of Anaesthetists guidelines 15, 16, 17
  • Ibuprofen has a short half-life, which reduces accumulation risk in both mother and infant, a favorable pharmacokinetic property for lactation safety, as reported in Anaesthesia 18
  • The drug's high protein binding limits the free fraction available to transfer into breast milk, as noted in Anaesthesia 17, 19

Clinical Guidance

  • The American Academy of Pediatrics and other guideline societies recommend taking the lowest effective dose for the shortest duration needed, although the exact dose and duration for ibuprofen are not specified, it is generally considered safe for breastfeeding women 15, 16, 17

Ibuprofen Use During Breastfeeding – Evidence‑Based Guidelines

Safety Profile

  • Ibuprofen is considered completely safe for lactating mothers; it can be taken without interrupting nursing or discarding expressed milk, according to the Anaesthesia Society guideline (2020) 20.
  • The relative infant dose of ibuprofen is < 0.38 % of the weight‑adjusted maternal dose, well below the 10 % safety threshold endorsed by breastfeeding guidelines 20.
  • Extensive postpartum clinical experience shows no documented adverse effects in breastfed infants when ibuprofen is used for pain relief 20.
  • Pharmacokinetic properties (short half‑life and high protein binding) limit the free drug fraction that can transfer into breast milk, further supporting its safety 20.

Dosing Recommendations

  • Mothers should use the lowest effective ibuprofen dose for the shortest necessary duration; no waiting period is required before the next breastfeeding session 20.
  • Discarding breast milk after ibuprofen ingestion is unnecessary and offers no safety benefit 20.
  • Combining ibuprofen with paracetamol (acetaminophen) is recommended for multimodal analgesia to minimize total NSAID exposure while maintaining effective pain control 20.

Alternative Analgesics (Safe Options)

  • Paracetamol (acetaminophen) is regarded as equally safe and can be used as a first‑line alternative to ibuprofen 20.
  • Diclofenac is identified as the second‑safest NSAID for breastfeeding mothers after ibuprofen 20.
  • Naproxen, despite its longer half‑life, is considered safe and is widely used after caesarean delivery in lactating patients 20.
  • Ketorolac shows low breast‑milk concentrations and has not been associated with adverse neonatal effects 20.

Contraindicated Medications & Pitfalls

  • Aspirin should be avoided in analgesic doses during breastfeeding because of the risk of salicylate intoxication and neonatal bleeding 20.
  • Opioids should not be used as default analgesics for breastfeeding mothers; they carry a significantly higher risk of infant sedation, respiratory depression, and mortality compared with ibuprofen 20.

Comparative Recommendations from Professional Societies

  • The Association of Anaesthetists and the American Academy of Pediatrics jointly recommend non‑opioid analgesics such as ibuprofen and paracetamol as the preferred pain‑relief options for breastfeeding mothers, citing negligible infant risk and compatibility with continued nursing 20.

Analgesic Use During Breastfeeding: Evidence‑Based Recommendations

First‑Line Analgesics (Paracetamol and Ibuprofen)

  • Paracetamol (acetaminophen) and ibuprofen are recommended as the first‑line analgesics for lactating mothers; they can be taken immediately without interrupting nursing or discarding expressed milk【21】.
  • Paracetamol is considered completely safe and compatible with breastfeeding, requiring no interruption of nursing or milk expression【21】.
  • Combining paracetamol with an NSA ID (preferably ibuprofen) provides multimodal analgesia, enhancing pain control while minimizing exposure to any single drug【21】.

Opioid Use When Non‑Opioid Analgesics Are Insufficient

  • Morphine and dihydrocodeine are the preferred opioid agents for breastfeeding mothers when non‑opioid options fail to control pain【21】.
  • Opioids should be prescribed at the lowest effective dose for the shortest possible duration【21】.

Infant Monitoring Requirements

  • Infants should be observed for signs of sedation, drowsiness, or behavioral changes; if such effects appear, breastfeeding should be withheld and medical advice sought promptly【21】.
  • Extra caution is required for infants younger than 6 weeks (corrected for gestational age) because of immature hepatic and renal function【21】.
  • Sensitivity to medication follows the hierarchy: preterm infants > neonates > young infants【21】.
  • Excessive maternal sedation should be monitored as an indicator of possible infant drug effects【21】.

Multimodal Analgesia Strategy

  • A regimen that combines paracetamol with ibuprofen is advised to reduce reliance on opioids for pain management in lactating patients【21】.
  • The use of regional anesthesia and supplemental local anesthetics should be encouraged to lower the need for systemic analgesics【21】.

General Dosing Principles for All Analgesics

  • The lowest effective dose for the shortest duration should be used for every analgesic in breastfeeding mothers【21】.
  • “Pump‑and‑dump” (expressing and discarding milk) is unnecessary after taking paracetamol, ibuprofen, or other compatible NSAIDs【21】.

Special Considerations for Young Infants

  • Infants younger than 6 weeks (corrected for gestation) require closer monitoring with any medication, especially opioids, due to their immature metabolic capacity【21】.

REFERENCES

4

Bupivacaine Safety During Breastfeeding [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

5

Cyclobenzaprine Use During Breastfeeding [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

8

nsaid prescribing precautions. [LINK]

American family physician, 2009

12

nsaid prescribing precautions. [LINK]

American family physician, 2009