InfantRisk Center

The Global Authority in Lactation Pharmacology

When clinicians, researchers, pharmaceutical companies, and government agencies need answers about medication safety during lactation, they turn to InfantRisk.

We maintain Hale's Medications and Mothers' Milk, the standard reference in the field; operate a helpline that has answered more than 160,000 clinician and parent calls; and conduct the drug-in-milk studies that shape clinical guidance worldwide.

Can You Tan While Breastfeeding? Tanning Beds, Spray Tans, and Sun Exposure Explained

Thinking about tanning while breastfeeding? This evidence-based guide explains the safety of self-tanners, spray tans, and sun exposure—what matters, what doesn’t, and how to minimize risk while maintaining confidence in your choices.

Why Does Breast Milk Change Color: What Moms Told Us And What We Explored In The Lab

Breastfeeding Nutrition

Breast milk can come in a range of colors, including pink, yellow, and even “neon,” which can be surprising for many parents. In this study, we explored what moms are seeing and tested possible explan...

Recall Reality: The Hidden Gamble in Your Vitamin Cabinet

Breastfeeding

Dietary supplements are widely used by breastfeeding women, yet many lack proven safety, efficacy, and consistent quality due to limited regulatory oversight. Variability in product content, misleadin...

Can You Take Zepbound While Breastfeeding? New Human Milk Study Findings

Breastfeeding Nutrition Lifestyle

New human milk research from the InfantRisk Center found extremely low transfer of semaglutide into breast milk. Learn what this means for breastfeeding mothers and infants.

Research

Every year, the InfantRisk Center publishes studies on the transfer of various drugs into breast milk. We invite you to review these studies and consider participating in one of them. Participation is simple: you will need to collect samples of your breast milk at regular intervals, freeze them, and send them to our laboratories using prepaid overnight mailing. Your involvement will greatly contribute to our research and help ensure the safety of medications for breastfeeding mothers.

Participate in Research

ADHD stimulants (Vyvanse, Adderall, Ritalin, Concerta)

Amiodarone (Aratac, Cordarone)

Cannabis (Marijuana)

Canagliflozin (Invoking, Invokamet)

Dapagliflozin (Farxiga, Xigduo, Qternmet)

Doxylamine (Unisom)

Empagliflozin (Jardiance, Synjardy, Glyxambi, Trijardy)

Fentanyl (Sublimaze)

Lugol’s Solution, SSKI (Iodine; common before thyroidectomy)

Memantine (Namenda)

Meloxicam (Mobic)