Losec
Losec is the branded version of Omeprazole. This particular brand comes in both the full strength and half strength of Omeprazole. It is a medicine that belongs to the family of drugs known as proton pump inhibitors (PPI). It is used to treat conditions such as acid reflux, gastro-oesophageal reflux disease (GORD) and heartburn. It works by preventing certain cells within the stomach lining from producing acid. This leads to a decrease in acid refluxing up towards the respiratory tract and causing symptoms associated with all the conditions above. It is recommended that the patient take a daily dose regularly for therapeutic results to be at its most effective.
- Used to treat Acid Reflux & Heartburn
- Reduces stomach acid secretion
- Provides upto 24 hours of relief
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Overview
Losec Acid Reflux Tablets Online
What is Losec?
Losec contains the active ingredient Omeprazole. It is a medicine in the proton pump inhibitor class, reducing the amount of acid produced by the stomach.
- Too much acid in the stomach due to a growth in the pancreas
- Ulcers infected with Helicobacter pylori bacteria
- Gastroesophageal reflux disease or GERD
- Losec is used to treat the following conditions in adult patients:
- Ulcers in the upper part of the intestine or stomach
- Ulcers caused by NSAIDs
How does Losec work?
Losec is a proton-pump inhibitor. It works by decreasing the production of acid in the stomach in order to provide relief for GERD symptoms and allow healing to take place. The decrease in the production of stomach acid does not stop food from being digested in the normal way.
NOTE: This medication should be taken for a maximum of 4-5 days. If symptoms persist after this time, please see your GP, as the symptoms require investigation. Acid reflux medications can mask the symptoms of more serious conditions, such as esophageal cancer.
What are the benefits of taking Losec?
Losec is effective in decreasing the production of acid in the stomach. It results in the relief of symptoms and allow healing to take place.
Losec has been proven to be an effective treatment for different conditions characterized by too much acid in the stomach.
Side Effects
Side Effects of Losec
There is always a risk of side effects with all medications. Some of these can be quite mild and can subside over time. Others are more serious and should be reported to your GP right away if you experience any side effects. Please contact a member of our team if you are concerned about any potential side effects that may occur when taking Losec.
Common side effects include:
- Nausea
- Dry mouth
- Diarrhoea
- Abdominal pain
- Constipation
- Dizziness
- Headache
- Vomiting
There are some rare yet severe side effects associated with Losec. You should seek medical attention if you experience joint pain along with a red skin rash, especially in parts of your body exposed to the sun, such as your arms, cheeks and nose.
Patient Information Leaflet
Before taking any medication, it is important to read the Patient Information Leaflet.
These can be found on medicines.org by typing them into the search bar.
Reviews
Losec Reviews
Losec FAQs
Medically reviewed on August 1st, 2025
What is the difference between Omeprazole and Losec?
Losec is simply the branded form of Omeprazole manufactured by the pharmaceutical giant Astra Zeneca.
Is Losec safe?
Long-term use can cause severe PPI side effects. Kidney disease, bacterial infections and bone fractures are some of the PPIs’ most serious side effects. You should only use this medication long term if advised by a healthcare professional.
How do you take Losec?
Losec should be taken on an empty stomach, about 30 minutes to one hour before eating breakfast.
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| 10mg | 28 | £19.99 |
| 20mg | 28 | £29.99 |
| 20mg | 56 | £44.99 |
