Evidence Health
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Omeprazole Magnesium

Also sold as omeprazole

Medicine summary · from official FDA labels · Oct 19, 2026

8 recalls on record — a recall affects specific batches; check with your pharmacist.

What it’s used for

Use • treats frequent heartburn (occurs 2 or more days a week) • not intended for immediate relief of heartburn; this drug may take 1 to 4 days for full effect

How to take it

Directions • for adults 18 years of age and older • this product is to be used once a day (every 24 hours), every day for 14 days • it may take 1 to 4 days for full effect; some people get complete relief of symptoms within 24 hours 14-Day Course of Treatment • swallow 1 capsule with a glass of water before eating in the morning • take every day for 14 days • do not take more than 1 capsule a day • do not use for more than 14 days unless directed by your doctor • swallow whole. Do not chew or crush capsules.

Important warnings

Warnings Allergy alert: • do not use if you are allergic to omeprazole. • Omeprazole may cause severe skin reactions.

If pregnant or breastfeeding

If pregnant or breast-feeding, ask a health professional before use.

Forms & strengths

20 MG Delayed Release Oral Capsule · 10 MG Delayed Release Oral Capsule · 40 MG Delayed Release Oral Capsule · 20 MG Disintegrating Oral Tablet · 2 MG/ML / 84 MG/ML Oral Suspension · 10 MG Oral Tablet · 20 MG Oral Tablet · 40 MG Oral Tablet · 10 MG Delayed Release Oral Tablet · 20 MG Delayed Release Oral Tablet · 40 MG Delayed Release Oral Tablet · 20 MG / 1100 MG Oral Capsule · 40 MG / 1100 MG Oral Capsule · 40 MG / 1680 MG Oral Suspension · 20 MG / 1680 MG Oral Suspension · 10 MG Oral Suspension · 2.5 MG Oral Suspension

Questions to ask your doctor or pharmacist

  • Is this the right medicine for my condition, and how long should I take it?
  • What side effects should I watch for, and which need urgent attention?
  • Does this interact with my other medicines, supplements, or alcohol?
  • What should I do if I miss a dose or take too much?