BNF Omeprazole Dosage Strengths & Treatment Guide

Omeprazole is available in several dosage strengths for treating acid reflux and related conditions. This BNF-referenced guide covers the standard omeprazole strengths, dosing schedules, and treatment durations recommended by UK healthcare professionals. Understanding the correct dosage helps ensure effective acid reflux management whilst minimising potential side effects.

  • Standard 20mg strength for heartburn and GORD treatment
  • 40mg maximum daily dose for severe acid reflux conditions
  • 2-4 week treatment courses for acute symptoms
  • Long-term maintenance therapy options available
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Available Treatments

Choose from a wide range of clinically-proven, safe, and effective treatments for Acid Reflux & Heartburn Treatment.

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Omeprazole 20mg

From £12.99

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Lansoprazole 15mg Capsules

From £5.99

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Famotidine Tablets

From £8.49

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Lansoprazole 15mg Orodispersible Tablets

From £8.49

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Losec MUPS 20mg Tablets

From £29.99

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Pantoprazole

From £5.99

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Rabeprazole

From £19.99

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Esomeprazole

From £16.99

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Omeprazole Dosage Strengths and Treatment Guidelines

Standard Omeprazole Strengths Available

Omeprazole is typically available in 10mg, 20mg, and 40mg strengths in the UK. The 20mg strength represents the most commonly prescribed dose for acid reflux treatment. EverydayMeds stocks Omeprazole 20mg Capsules and Losec MUPS 20mg tablets, providing both generic and branded options for patients requiring proton pump inhibitor therapy.

BNF-Recommended Dosing Schedules

For gastro-oesophageal reflux disease (GORD), the British National Formulary recommends 20mg once daily, typically taken before breakfast. Treatment duration usually spans 4-8 weeks for initial healing. In cases where 20mg proves insufficient, healthcare providers may increase the dose to 40mg daily. For maintenance therapy following successful treatment, many patients continue on 20mg daily or reduce to 10mg where symptoms remain controlled.

Condition-Specific Dosage Guidelines

Peptic ulcer treatment typically requires 20mg once daily for 4-6 weeks, whilst Helicobacter pylori eradication involves 20mg twice daily combined with appropriate antibiotics for one week. Zollinger-Ellison syndrome may require higher doses, starting at 60mg daily and adjusted according to gastric acid output. For NSAID-associated ulcer prevention, 20mg daily is standard for at-risk patients continuing anti-inflammatory medications.

Alternative PPI Options

When omeprazole proves unsuitable or ineffective, alternative proton pump inhibitors may be considered. EverydayMeds offers Lansoprazole 15mg Capsules, Pantoprazole 20mg Tablets, and Esomeprazole Tablets as alternative PPI treatments. For patients preferring H2 receptor antagonists, Famotidine Tablets provide an alternative mechanism for acid suppression with different dosing characteristics.

Treatment Duration Considerations

Short-term courses of 2-4 weeks suit mild, intermittent symptoms, whilst moderate to severe GORD typically requires 4-8 week initial treatment periods. Long-term maintenance therapy may be necessary for patients with recurrent symptoms, severe oesophagitis, or Barrett's oesophagus. Regular review with healthcare providers ensures optimal dosing and monitors for potential long-term effects associated with extended PPI use.

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