Omeprazole is commonly prescribed in the UK for heartburn, stomach ulcers and acid reflux, but NHS guidance needs to be followed
Omeprazole can cause a number of serious side effects(Image: Getty Images)
Anyone who has bought omeprazole has received a two-week warning from the NHS regarding its potential effects on the body. Omeprazole, a proton pump inhibitor (PPI), is widely prescribed across the UK for ailments including heartburn, stomach ulcers, and gastro-oesophageal reflux disease (GERD).
The drug functions by decreasing stomach acid levels and is available in multiple formats, such as capsules, tablets, or liquid form. Whilst certain variants of omeprazole can be obtained from pharmacies or shops, it is typically issued by a GP.
Although omeprazole proves effective in managing stomach acid-related conditions, it’s crucial to understand that prolonged usage is generally discouraged. This is due to extended use potentially heightening the risk of numerous adverse effects.
Omeprazole can be prescribed or sometimes purchased without a prescription(Image: Getty Images)
NHS guidance states: “Do not take omeprazole for longer than 2 weeks if you bought it without a prescription. See a GP if your symptoms get worse or do not get better.”
Based on symptom severity, your GP may suggest continuing the medication for an extended duration via prescription. Nevertheless, should you have any concerns about the risks associated with taking it beyond a fortnight, you ought to raise this with your doctor or another appropriate healthcare professional.
Side effects of omeprazole
Like all medications, omeprazole may trigger side effects, though these vary between individuals. NHS guidance highlights that certain side effects become more probable if you take omeprazole continuously for 12 months or longer.
Omeprazole can cause a variety of side effects(Image: Getty Images)
Common, milder side effects of taking omeprazole can include:
ConstipationHeadacheDiarrhoeaNauseaFlatulenceStomach painVomiting
More serious side effects include:
Weakened bones, increasing the risk of breaksAnaphylaxis – a serious allergic reaction that can cause a swollen tongue or throat, a raised itch rash, and difficult breathingA form of lupus that can cause joint pain and rashesLow vitamin B12 levels (can cause tiredness, muscle twitches, and dizziness)
NHS guidance also stresses the importance of ringing 111 if “you’re taking omeprazole and think you might be having serious side effects”. Please note this isn’t a comprehensive list of potential side effects that could occur whilst taking omeprazole.
For further information, always consult the leaflet provided in your medicine packet. Complete details and advice on taking omeprazole, including its potential side effects, can be found on the NHS website here.