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Tamsulosin (Flomax) and pregnancy don’t come up often unless a pregnant woman develops kidney stones. According to the FDA, animal testing did not show any harm to the fetus from this medication. Talk to your doctor before taking tamsulosin if you are pregnant, believe you might be pregnant, or plan to become pregnant.

Tamsulosin and Breastfeeding

Tamsulosin does appear in breastmilk. Nursing mothers should not take this medication without consulting a physician. 


Is tamsulosin safe during pregnancy?

Animal testing has failed to show that tamsulosin does any harm to a developing fetus. Still, it is critical to consult your physician before consuming this drug during pregnancy.

Can Flomax cause birth defects?

There is no evidence that Flomax can cause birth defects.

Does tamsulosin affect fertility?

Alpha-blockers like tamsulosin can cause a decrease in the volume of ejaculation or inhibit it so that it can affect male fertility in some patients.

What happens if a woman takes tamsulosin?

The FDA states Flomax capsules are not indicated for use in women.

Is Flomax safe while breastfeeding?

There is evidence that this medication is in breastmilk, so nursing women should avoid taking it unless recommended by their doctor. 

Does tamsulosin cause breast enlargement?

Breast enlargement is a possible adverse reaction to this drug, according to Harvard Health.

Disclaimer: this article does not constitute or replace medical advice. If you have an emergency or a serious medical question, please contact a medical professional or call 911 immediately. To see our full medical disclaimer, visit our Terms of Use page.

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