Need emergency help? Call 999 in United Kingdom.

Open local help

Detailed medicine guidance

Pregnancy, breastfeeding and fertility while taking or using diclofenac

NHS medicines information on diclofenac 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.

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.

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.

More about Diclofenac