Can I take sodium bicarbonate while pregnant or breastfeeding?

There is no NHS Medicines A–Z page for sodium bicarbonate. Here is what the US drug label says.

In short

Pregnancy: There isn't a simple UK NHS summary for this medicine. Ask your doctor or pharmacist.

Breastfeeding: There isn't a simple UK NHS summary for this medicine. Ask your doctor or pharmacist.

Your doctor, midwife or pharmacist can help you decide.

Talk to your doctor or pharmacist

This page is educational, not advice for your own situation. Talk to your doctor, midwife or pharmacist before you start, stop or change any medicine in pregnancy or while breastfeeding.

The details: what each source says

Sodium bicarbonate in pregnancy

The US drug label says

If pregnant or breast-feeding, ask a health professional before use.

Drug Facts label: Sodium Bicarbonate (oral), Cardinal Health 107, LLC. Label on DailyMed. Quoted verbatim; US labels are written for US prescribers and patients.

Pregnancy: Teratogenic Effects Animal reproduction studies have not been conducted with sodium bicarbonate. It is also not known whether sodium bicarbonate can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Sodium bicarbonate should be given to a pregnant woman only if clearly needed.

Prescribing label, section “Pregnancy”: SODIUM BICARBONATE (intravenous), Amneal Pharmaceuticals Private Limited. Label on DailyMed. Quoted verbatim; US labels are written for US prescribers and patients.

This quote is from the intravenous formulation label.

Sodium bicarbonate while breastfeeding

None of our sources has a breastfeeding section for sodium bicarbonate.

Other names

Indian brands (per NPPA): Sobisis.

Sources

  1. US drug label: Sodium Bicarbonate (oral), Cardinal Health 107, LLC, human otc drug, label effective 12 June 2026, set ID 60c2a176-8854-4479-b853-d07fe9a1830c. DailyMed (National Library of Medicine). Public domain; quoted verbatim.
  2. US drug label: SODIUM BICARBONATE (intravenous), Amneal Pharmaceuticals Private Limited, human prescription drug, label effective 9 February 2026, set ID ba92f45a-0187-4709-aa70-462b8dae09e9. DailyMed (National Library of Medicine). Public domain; quoted verbatim.

Sources checked 26 September 2026. How we source and check every page.

Educational summary of named sources, not medical advice.