Hypertension: treatment during pregnancy

Paula Russell, Principal Pharmacist, Regional Drug and Therapeutics Centre (Newcastle Upon Tyne)Published

Signposting evidence-based information on the treatment of hypertension in pregnancy

Condition management

It is important to complete an individual risk assessment for your patient and to apply the principles of prescribing during pregnancy when looking at the available information and making treatment decisions. Check to see if a risk assessment has already been completed by the specialist team.

Untreated or inadequately treated hypertension can have adverse effects on the mother and therefore on the foetus.


NICE Guideline [NG133] and CKS provide good guidance and information on the management of hypertension in pregnancy. This includes information on:

NICE Clinical guideline [NG133] has a useful interactive flowchart for the diagnosis and management of hypertension in pregnancy including treatment options for chronic and gestational hypertension and pre-eclampsia.

You should check if there is local guidance for you to use in your area.

Pregnancy outcome information

UK Teratology Information Service (UKTIS) provides more detailed information on pregnancy outcomes for the common antihypertensive medicines. They also have overviews on the use of beta-blockerscalcium channel blockers and angiotensin converting enzyme (ACE) inhibitors in pregnancy.

Patient information

Each of the UKTIS summaries has corresponding Best Use of Medicine in Pregnancy (BUMPS) patient information.

The Royal College of Obstetricians and Gynaecologists (RCOG) provides patient information on pre-eclampsia

The NHS website provides an overview of high blood pressure (hypertension) and pregnancy (including pre-eclampsia) and a summary statement on the use in pregnancy of specific antihypertensive medicines.

More from safety in pregnancy

All our training and guidance to help decision making about the use of medicines in pregnancy