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Detailed medicine guidance

Pregnancy, breastfeeding and fertility while taking simeticone

NHS medicines information on simeticone and whether you can take it while pregnant or breastfeeding.

About this information

This NHS content is written for people in England. Medicine names, availability, prescribing and services may differ in other countries.

Simeticone and pregnancy

Simeticone only works in your gut and does not get into your blood. It's safe to take if you are pregnant.

Some products contain simeticone with other medicines or ingredients. Check with a doctor or pharmacist if you are unsure which type is safest in pregnancy.

Simeticone and breastfeeding

Simeticone is OK to take while breastfeeding. It does not get into breast milk.

Some simeticone products contain other ingredients. Always check the ingredients and ask a pharmacist for advice. They will be able to recommend the best treatment for you.

Simeticone and fertility

There's no evidence that simeticone affects fertility in either men or women.

View the original NHS website page ↗. Refreshed 19 August 2026.

Licensed under the Open Government Licence v3.0 ↗. MyPHU is independent and is not endorsed by the NHS.

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