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Detailed medicine guidance

Pregnancy, breastfeeding and fertility while using budesonide nasal spray

NHS medicines information on budesonide nasal spray and whether you can take use 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.

Budesonide nasal spray and pregnancy

Budesonide nasal spray can be used during pregnancy.

Very little of the medicine gets into your bloodstream and almost none gets to your baby. Even if a small amount does get to your baby, it will not harm them.

Budesonide nasal spray and breastfeeding

It's OK to use budesonide nasal spray while breastfeeding.

Only tiny amounts get into breast milk, so side effects in your baby are very unlikely.

If you notice that your baby is not feeding as well as usual, or if you have any other concerns about your baby, talk to your health visitor, midwife, pharmacist or doctor as soon as possible.

Budesonide nasal spray and fertility

There's no evidence that using budesonide nasal spray reduces fertility in either men or women.

Meds New IA (H2) - Pregnancy non-urgent care card

Tell your doctor if you're:

  • trying to get pregnant
  • pregnant
  • breastfeeding

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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