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Is Sparkling / fizzy water safe in pregnancy?
Generally safe
Yes — completely safe, a good alternative to sugary drinks.
What the evidence says
Sparkling water and plain soda water are completely safe throughout pregnancy. They can be a useful way to meet hydration goals if plain water is unappealing. Flavoured sparkling waters are also fine, as long as they do not contain caffeine or quinine.
Why this matters
Carbonation is simply dissolved CO2 — no pregnancy risk at all. No sugar, no calories, no contraindications.
Source:Pregnancy dietary guidance
Last reviewed:April 2026
Please note — This is general guidance based on NHS advice as of April 2026. It is not medical advice. For advice on your specific pregnancy, please speak to your midwife or GP.
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