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Pregnancy, breastfeeding and fertility while taking furosemide

Furosemide and pregnancy

Furosemide is safe to take in pregnancy, although it will only be prescribed if you have specific medical conditions.

If you're trying to get pregnant or are already pregnant, talk to your doctor about whether taking furosemide is right for you.

Furosemide and breastfeeding

If your doctor or midwife says your baby is healthy you can take furosemide while you’re breastfeeding.

It is not known how much furosemide gets into breast milk but it’s likely to be a small amount. It would not be expected to cause any side effects in your baby, but furosemide may reduce the amount of milk you produce.

If you’re breastfeeding, or planning to breastfeed, talk to your doctor or pharmacist as other medicines might be better while breastfeeding. It is important that you take the medicine that works for you. If you need to take furosemide while you're breastfeeding, your doctor and midwife will monitor your baby's weight.

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

Furosemide and fertility

There's no evidence that furosemide reduces fertility in men or women. However, if you're trying to get pregnant, talk to your doctor first as hey will need to review your medical condition and medicine before you try for a baby.

Non-urgent advice: Tell your doctor if you're:

  • trying to get pregnant
  • pregnant
  • breastfeeding

Page last reviewed: 21 February 2022
Next review due: 21 February 2025