Omeprazole for Heartburn

Medically reviewed by a licensed pharmacist · Last reviewed 5/23/2026

Dose

20mg by mouth once daily, taken 30-60 minutes before breakfast. Course is 14 days max without medical advice. Full effect builds over 1-4 days.

What to watch for

  • Clopidogrel concomitant use
  • Rilpivirine concomitant use

Not recommended in pregnancy — check with a pharmacist or your clinician first.

Not for children under 18.

Sources

  • FDA OTC Monograph
  • American College of Obstetricians and Gynecologists

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.