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Losec
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Losec is a proton pump inhibitor used to treat gastroesophageal reflux disease and stomach ulcers by reducing the amount of acid produced in the stomach through its active ingredient Omeprazole.
- Effective relief for symptoms of acid reflux and heartburn
- Contains the active ingredient Omeprazole for stomach acid control
- Available for both NHS and private prescription fulfilment
- Discreet UK home delivery from our registered pharmacy
More information
"Losec is a widely trusted medication typically prescribed for conditions like acid reflux, GORD, and the prevention of gastric ulcers. It helps patients manage chronic heartburn by effectively lowering stomach acid levels." - Rachael Clarke MRCPharm MFRPSI FRSPH (GPHC Number: 2061366)
You can buy Losec through Mail my Meds by completing a convenient online consultation which is then reviewed by a registered prescriber to ensure the treatment is suitable for you. Once approved, your medication is dispensed and shipped directly from our registered UK pharmacy (GPHC Number: 9011560) in discreet packaging for your privacy.
The price of Losec at Mail my Meds depends on whether you are fulfilling a standard NHS prescription or opting for a private prescription through our online clinic. We strive to provide competitive pricing for all patients, ensuring that your gastric health remains affordable while maintaining the highest standards of pharmaceutical care.
Mail my Meds offers various delivery options to suit your schedule, including tracked services that ensure your medication arrives safely at your doorstep. We prioritise fast and reliable shipping across the UK so that your treatment for acid reflux is never interrupted.
Losec is a branded medication used primarily to treat conditions caused by excess stomach acid such as acid reflux, heartburn, and gastroesophageal reflux disease (GORD). It is also frequently utilised in the UK for the healing and prevention of stomach ulcers or as part of a treatment plan to eradicate H. pylori infections.
The active ingredient in Losec is Omeprazole, a type of medicine known as a proton pump inhibitor (PPI). Omeprazole works specifically on the cells in the lining of the stomach to reduce the secretion of acid, which helps to alleviate pain and allow the oesophagus to heal.
Many patients report that Losec provides significant relief from the burning sensation of indigestion within a few days of starting treatment. While individual results vary, it is highly regarded for its efficacy in managing long-term symptoms of GORD and improving overall quality of life for those with chronic acid-related issues.
The Patient Information Leaflet (PIL) is included with every box of Losec and contains essential details regarding its use and safety. It is important to read this document thoroughly before starting your medication to understand the specific instructions provided by the manufacturer.
Losec works by inhibiting the "proton pumps" in your stomach lining which are responsible for producing gastric acid. By reducing the activity of these pumps, the medication lowers the overall acidity of the stomach environment, preventing the backflow of acid into the food pipe and protecting the stomach lining from irritation.
You should take Losec exactly as directed by your prescriber, usually by swallowing the capsules whole with a glass of water. It is often recommended to take your dose in the morning, either with food or on an empty stomach, to ensure maximum effectiveness throughout the day.
The dosage of Losec is determined by your clinician based on the severity of your symptoms and the specific condition being treated. Common strengths include 10mg, 20mg, and 40mg, with the 20mg dose being a frequent starting point for many adults suffering from reflux symptoms.
| Condition | Typical Daily Dose |
|---|---|
| Acid Reflux / GORD | 10mg to 20mg |
| Stomach Ulcers | 20mg to 40mg |
| Zollinger-Ellison Syndrome | 60mg (initial) |
Most people take Losec without experiencing major issues, but some may encounter mild side effects like headaches, diarrhoea, or stomach pain. While rare, more serious side effects can occur, and you should contact a healthcare professional if you notice any unusual symptoms while taking this medication.
- Headaches
- Nausea or vomiting
- Flatulence
- Constipation
Before taking Losec, you must inform your prescriber if you have liver problems, are pregnant, or are taking other medications such as digoxin or warfarin. Prolonged use of proton pump inhibitors may be linked to an increased risk of bone fractures or vitamin B12 deficiency, so regular reviews with your pharmacist or GP are encouraged.
Losec (Omeprazole) is often compared to other PPIs like Lansoprazole or over-the-counter antacids like Gaviscon. While antacids provide immediate but temporary relief by neutralising existing acid, Losec provides longer-lasting prevention by stopping acid production at the source.
Can I take Losec while pregnant?
You should consult with a medical professional before using Losec during pregnancy to ensure it is the safest option for you and your baby.
How long does it take for Losec to start working?
Most people feel an improvement in symptoms within 1 to 3 days, though it may take up to 4 weeks for the full benefits to be realised.
Can I drink alcohol with Losec?
While alcohol does not interact directly with Losec, it can increase stomach acid production and worsen the symptoms you are trying to treat.
The information provided on this page is for general informational purposes only and should not replace seeking advice from a medical professional for personalised care. Always consult with your GP or a qualified pharmacist before starting any new medication.
Our content is regularly reviewed by our team of medical experts to ensure it remains up to date, accurate, and helpful for our patients. We are dedicated to providing reliable health information that supports your wellbeing.

