Gaviscon

Status

caution Last reviewed: 2026-05-16 · Confidence: moderate

Reason

Most Gaviscon types may be used in pregnancy, but avoid sodium bicarbonate formulas and do not exceed label doses.

Drug Information

Brand Name
Gaviscon
Generic Name
alginic acid / sodium alginate + antacid salts (varies by product)
Drug Class
antacid / alginate reflux suppressant
FDA Category
N/A (PLLR narrative label)
Rx Status
OTC

Safe Amount

Follow the package label. Do not exceed the recommended amount. If your product contains sodium bicarbonate, avoid it in pregnancy.

Effects

Pregnancy
Pregnancy use is generally allowed for most Gaviscon types; product choice and dose matter.
Mother
Can relieve heartburn and reflux. Some products contain sodium bicarbonate, which should be avoided in pregnancy.
Baby
No clear fetal harm has been identified from official guidance, but data depend on the exact product formula.

Trimester Notes

1st Trimester
Can be used if needed, but choose a product without sodium bicarbonate and use the lowest effective dose.
2nd Trimester
Can be used if needed, with the same product and dose cautions.
3rd Trimester
Can be used if needed, but follow label dosing and avoid sodium bicarbonate products.

Conditions & Warnings

  • Consult OB/GYN or prescriber
  • OTC: pregnancy dosing limits may apply
  • Avoid sodium bicarbonate-containing products in pregnancy

Alternatives

  • Lifestyle changes: smaller meals, avoid fatty or spicy foods, raise head of bed
  • Ask a pharmacist or OB/GYN about another pregnancy-appropriate antacid if Gaviscon does not help

References

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