Sodium Bicarbonate for Heartburn
Medically reviewed by a licensed pharmacist · Last reviewed 6/13/2026
Dose
1/2 teaspoon (2.3g) dissolved in water every 2 hours as needed. Max 4 doses/day for adults under 60, max 2 doses/day for adults 60+. Do not use for more than 2 weeks.
What to watch for
- Sodium restriction
- Htn
Not recommended in pregnancy — check with a pharmacist or your clinician first.
Not for children under 12.
Sources
- FDA OTC Monograph
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Where to buy
This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.