Paracetamol in Pregnancy — Is It Safe?

Is it safe to take Paracetamol with Pregnancy?

Paracetamol (acetaminophen) has been used safely in pregnancy for decades and is the painkiller of choice recommended by the NHS, WHO, and FDA during pregnancy. No pattern of birth defects has been linked to paracetamol at recommended doses. Recent observational studies have raised questions about long-term use, but the NHS maintains that occasional short-term use for pain relief during pregnancy is safe. Always use the lowest effective dose for the shortest necessary period.

How do Paracetamol and Pregnancy interact?

Paracetamol crosses the placenta but at therapeutic doses is not known to cause fetal harm. It is metabolised by the fetal liver, which is present from early pregnancy. At recommended doses, toxic metabolite production is within manageable limits. Some observational studies have noted correlations between prolonged prenatal paracetamol use and childhood outcomes, but causation has not been established.

Data sourced from the US Food and Drug Administration (FDA) drug label database: FDA acetaminophen in pregnancy data; OpenFDA drug label data; NHS guidance on medicines in pregnancy.

Who should be careful?

All pregnant women should use paracetamol at the lowest effective dose for the shortest possible time. Women with liver conditions should consult their GP. Do not combine with other paracetamol-containing products (cold/flu remedies, co-codamol).