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Pregnancy, breastfeeding and fertility while taking or using diclofenac - Brand names: Voltarol, Dicloflex, Diclomax, Econac, Motifene

Diclofenac and pregnancy

Diclofenac, and medicines that contain diclofenac, are not usually recommended in pregnancy.

This is because they can sometimes cause problems inside the womb. They can affect the way blood moves round your baby's body, or reduce the amount of amniotic fluid around your baby.

Your doctor will only advise taking diclofenac while you're pregnant if the benefits of taking the medicine outweigh the risks.

If you do need to take diclofenac, it should be for a short period only (a few days).

Paracetamol is generally the first choice of painkiller in pregnancy. Stronger painkillers are available which can be used in pregnancy after discussion with your doctor.

Diclofenac and breastfeeding

You can take or use diclofenac while breastfeeding. Only tiny amounts get into breast milk, so it should not cause any side effects in your baby.

Diclofenac has been widely used while breastfeeding for many years, with no reported problems.

If you use diclofenac gel, take care that your baby does not touch any areas of your body where you've used it. Wash your hands after using it and before picking up your baby.

If you notice that your baby is not feeding as well as usual, has a stomach upset, including being sick or diarrhoea, or if you have any other concerns about your baby, talk to your midwife, health visitor, pharmacist or doctor as soon as possible.

Diclofenac and fertility

Taking anti-inflammatory medicines, like diclofenac, in large doses or for a long time can affect ovulation. This may make it more difficult to get pregnant.

You may want to stop taking diclofenac if you're trying to get pregnant, or if you're having tests for infertility.

Paracetamol is a better painkiller in these situations.

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

  • trying to get pregnant
  • pregnant
  • breastfeeding

Page last reviewed: 5 August 2024
Next review due: 5 August 2027