Over the Counter Omeprazole Side Effects Guide

Understanding potential side effects when taking over the counter omeprazole helps you make informed decisions about acid reflux treatment. EverydayMeds UK offers comprehensive guidance alongside our range of omeprazole products, including Omeprazole 20mg Capsules and Losec MUPS 20mg. Our qualified pharmacists provide personalised advice through our online consultation service to help minimise side effects whilst effectively managing your acid reflux symptoms.

  • Complete our simple online consultation for personalised omeprazole advice
  • Access genuine omeprazole products with fast UK delivery
  • Receive professional guidance on minimising potential side effects
  • Get support from qualified pharmacists throughout your treatment
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Takes less than 2 minutes to complete, 100% online

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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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Common Omeprazole Side Effects and Management

Understanding Omeprazole Side Effects

Omeprazole is generally well-tolerated, but like all medicines, it may cause side effects in some people. Most side effects are mild and temporary, occurring in fewer than 1 in 10 people. Common side effects include headaches, stomach pain, diarrhoea, constipation, wind, feeling sick, and vomiting. These symptoms typically improve as your body adjusts to the medication, usually within the first week of treatment.

Managing Common Side Effects

If you experience stomach pain or nausea, taking omeprazole with food may help, although it can be taken with or without meals. For digestive issues like constipation or diarrhoea, maintaining adequate fluid intake and a balanced diet with sufficient fibre can provide relief. Headaches often resolve within a few days and can be managed with paracetamol if needed. Should any side effects persist beyond one week or become troublesome, consult your pharmacist or GP for guidance.

Long-term Considerations

Extended use of omeprazole may occasionally lead to more serious side effects, including potential vitamin B12 deficiency, low magnesium levels, or increased risk of bone fractures with prolonged use. The MHRA recommends regular monitoring for patients on long-term PPI therapy. Over-the-counter omeprazole should not be used for more than two weeks without medical supervision. If you require ongoing treatment beyond this period, a prescription and proper medical oversight are necessary.

Getting Omeprazole from EverydayMeds

EverydayMeds UK offers both Omeprazole 20mg Capsules and branded Losec MUPS 20mg through our secure online consultation service. Our qualified pharmacists review each order to ensure the medication is suitable and provide personalised advice on managing any potential side effects. We also stock alternative treatments including lansoprazole, pantoprazole, and famotidine tablets if omeprazole proves unsuitable. Complete our confidential online consultation today for fast, discreet delivery across the UK.

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Once you complete a short online assessment, you’ll be able to choose your preferred treatment and quantity from a list of safe, medically approved options tailored to you.

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