Alginate Antacid for Heartburn

Medically reviewed by a licensed pharmacist · Last reviewed 6/14/2026

Dose

10-20mL or 2-4 tablets by mouth after meals and at bedtime as needed. Max 8 doses per day. Forms protective barrier over stomach contents.

What to watch for

Read the product label and ask a pharmacist if you take other medicines or have a health condition.

Not for children under 12.

Sources

  • FDA OTC Monograph

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.