The NHS has issued an important reminder to the millions of people in the UK prescribed beta blockers, urging them to contact their doctor if they experience certain 'common' side effects. The health service advises that symptoms which bother the patient or persist for more than a few days should be discussed with a GP.
Widespread Use of Beta Blockers in the UK
Beta blockers are one of the most frequently prescribed medications in the country. According to the British Heart Foundation (BHF), more than 50 million prescriptions for these drugs are issued across the UK every single year.
They are primarily used to treat heart and circulatory conditions, including irregular heart rhythms (arrhythmias), angina, and high blood pressure. However, they are also commonly prescribed for other conditions, notably anxiety, as they work by slowing the heart rate and blocking the effects of hormones like adrenaline.
Common and Serious Side Effects to Monitor
The NHS lists several commonly reported side effects that warrant a conversation with your doctor. Patients are encouraged not to simply endure these if they are problematic.
The commonly reported side effects include:
- Feeling tired, dizzy, or lightheaded (possible signs of a slow heart rate)
- Cold fingers or toes (due to potential effects on blood circulation)
- Difficulties sleeping or experiencing nightmares
- Problems getting an erection or other sexual difficulties
- Feeling sick
On rarer occasions, more serious side effects can occur. The NHS states you should tell a doctor "straight away" if you experience:
- Shortness of breath with a worsening cough during exercise, swollen ankles or legs, or an irregular heartbeat (potential signs of heart problems).
- Shortness of breath, wheezing, and chest tightness (potential signs of lung problems).
- Yellowing of the skin or the whites of the eyes (jaundice), which may be less obvious on brown or black skin (potential signs of liver problems).
Important Safety Information and Who Should Avoid Them
It is crucial to understand that beta blockers "are not suitable for everyone." Patients should inform their doctor if they have a history of certain conditions, including:
- Uncontrolled heart failure
- Previous allergic reactions to beta blockers or other medicines
- Low blood pressure or specific heart rhythm conditions
- Metabolic acidosis
- Lung disease or asthma
This advice also extends to women who are trying to conceive, are already pregnant, or are breastfeeding.
The NHS adds a critical warning: "It's important not to stop taking beta blockers without seeking your doctor's advice." Suddenly stopping the medication can, in some cases, make the underlying health condition significantly worse.
For a complete list of side effects and full safety information, patients are directed to consult the leaflet inside their medicine packet and the official NHS website.
