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Pregnancy, breastfeeding and fertility while taking nicorandil

Nicorandil and pregnancy

Nicorandil is not usually recommended in pregnancy. This is because there is not enough information available to say whether it's safe or not.

If you're trying to get pregnant, or are already pregnant, talk to your doctor about the benefits and possible harms of taking nicorandil.

Your doctor will be able to recommend the best treatment for you and your baby.

Nicorandil and breastfeeding

Nicorandil is not usually recommended while you're breastfeeding. We do not know how much nicorandil passes into breast milk or whether it could have any effects on your baby.

Although other medicines are preferred while you are breastfeeding, it's important you take the medicine that works for you. If you are breastfeeding, or planning to breastfeed, talk to your doctor to help you decide what's best for you and your baby.

Your doctor may say it's OK to take nicorandil while breastfeeding. However, tell your doctor, health visitor, midwife or pharmacist as soon as possible if:

  • your baby is not feeding as well as usual
  • your baby seems more irritable than usual
  • your baby is being sick
  • your baby has skin rashes or mouth ulcers
  • your baby is flushed
  • you have any other concerns about your baby

Nicorandil and fertility

There's no evidence to suggest that taking nicorandil reduces fertility in either men or women.

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

  • trying to get pregnant
  • pregnant
  • breastfeeding

Page last reviewed: 4 April 2022
Next review due: 4 April 2025