Motens
Motens contains lacidipine, a dihydropyridine calcium channel blocker (CCB) used for the treatment of hypertension (high blood pressure).
It works by relaxing the smooth muscle in blood vessel walls, reducing peripheral vascular resistance and lowering blood pressure.
Motens is taken once daily and is suitable for use alone or in combination with other antihypertensive medicines.
It is a prescription-only medicine (POM) in the UK.
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Motens is the brand name for lacidipine, a third-generation dihydropyridine calcium channel blocker (CCB) licensed in the United Kingdom for the treatment of hypertension (high blood pressure).
Lacidipine works by blocking calcium channels in the smooth muscle of blood vessel walls, causing vasodilation and reducing peripheral vascular resistance, which lowers blood pressure.
Motens is taken once daily and can be used as monotherapy or in combination with other antihypertensive agents such as ACE inhibitors, angiotensin receptor blockers, thiazide diuretics, or beta-blockers.
Hypertension is one of the most significant modifiable risk factors for cardiovascular disease, affecting approximately 1 in 4 adults in the UK and contributing to heart attacks, strokes, heart failure, kidney disease, and vascular dementia.
Many people with high blood pressure have no symptoms and are unaware of their condition, which is why it is sometimes called "the silent killer." Effective blood pressure control through lifestyle measures and medication significantly reduces the risk of these serious complications.
This page provides a comprehensive clinical overview of Motens, including how it works, dosing guidance, side effects, important precautions, and how to obtain a prescription in the UK.
Important safety information about Motens
Before reading further, note the following key safety points about Motens.
- Do not stop taking Motens without medical advice, even if you feel well. High blood pressure usually has no symptoms.
- Avoid grapefruit and grapefruit juice, as they can increase lacidipine levels in the blood.
- Tell your prescriber if you have liver disease, heart failure, or aortic stenosis.
- Report ankle swelling, dizziness, or persistent headache to your prescriber.
What is hypertension
Hypertension is defined as persistently elevated blood pressure, with the diagnostic threshold set at a clinic reading of 140/90 mmHg or above (confirmed by ambulatory or home blood pressure monitoring at 135/85 mmHg or above).
Blood pressure has two components: systolic pressure (the force when the heart contracts) and diastolic pressure (the pressure between heartbeats when the heart relaxes).
Both contribute to cardiovascular risk, though systolic hypertension becomes the dominant risk factor with increasing age.
The underlying pathophysiology of primary (essential) hypertension involves a complex interplay of genetic predisposition, renal sodium handling, sympathetic nervous system overactivity, renin-angiotensin-aldosterone system dysregulation, endothelial dysfunction, and vascular remodelling.
Over time, sustained elevated blood pressure damages the walls of arteries, promotes atherosclerosis, and places strain on the heart, kidneys, brain, and eyes.
Hypertension in the UK
According to the British Heart Foundation and Public Health England data, approximately 14.4 million adults in the UK have hypertension, but an estimated 5.5 million are undiagnosed.
Hypertension is the single largest risk factor for stroke (responsible for approximately 50% of ischaemic strokes) and a major contributor to coronary heart disease, heart failure, chronic kidney disease, and vascular dementia.
NICE Guideline NG136 (Hypertension in adults: diagnosis and management) provides comprehensive evidence-based recommendations for the detection, classification, and treatment of hypertension in adults.
How Motens works: mechanism of action
Lacidipine belongs to the dihydropyridine subclass of calcium channel blockers, which act primarily on vascular smooth muscle rather than on cardiac muscle or the conduction system.
It blocks voltage-dependent L-type calcium channels in the plasma membrane of vascular smooth muscle cells.
Under normal conditions, when these channels open, calcium ions flow into the cell and trigger the contractile machinery, causing vasoconstriction.
By blocking calcium influx, lacidipine prevents smooth muscle contraction, resulting in arterial vasodilation, reduced systemic vascular resistance, and lower blood pressure.
Lacidipine is described as a third-generation dihydropyridine because of its high lipophilicity (fat solubility), which allows it to accumulate in the lipid bilayer of cell membranes and maintain a sustained presence at the calcium channel binding site.
This produces a gradual onset of action, a prolonged duration of effect (supporting once-daily dosing), and a smooth reduction in blood pressure without the reflex tachycardia (rapid heartbeat) that can occur with shorter-acting dihydropyridines.
In addition to its haemodynamic effects, lacidipine has demonstrated antiatherosclerotic properties in laboratory studies and in the ELSA (European Lacidipine Study on Atherosclerosis) clinical trial.
ELSA compared lacidipine with the beta-blocker atenolol in hypertensive patients and found that lacidipine was associated with significantly less progression of carotid intima-media thickness (a marker of atherosclerosis) over 4 years, despite similar blood pressure reductions.
These vascular protective effects may be related to the antioxidant activity of lacidipine and its ability to inhibit smooth muscle cell proliferation and LDL oxidation.
Clinical evidence and national guidelines
Calcium channel blockers, including dihydropyridines, are one of the first-line antihypertensive drug classes recommended by NICE NG136.
The guideline recommends a CCB (typically amlodipine, but lacidipine is a suitable alternative) as Step 1 treatment for patients aged 55 and over, Black patients of African or Caribbean origin at any age, and as Step 2 add-on therapy in younger patients already taking an ACE inhibitor or ARB.
The evidence base for dihydropyridine CCBs in hypertension is extensive.
Landmark trials such as ALLHAT, VALUE, and ASCOT have demonstrated that CCBs effectively reduce blood pressure and lower the risk of stroke, myocardial infarction, heart failure, and cardiovascular death.
The ELSA trial specifically demonstrated the antiatherosclerotic benefit of lacidipine compared with atenolol in hypertensive patients, providing additional evidence for its vascular protective properties beyond blood pressure lowering alone.
NICE NG136 also recommends a target clinic blood pressure of below 140/90 mmHg for most adults under 80, and below 150/90 mmHg for those aged 80 and over.
Ambulatory or home blood pressure targets are 5 mmHg lower.
Treatment should be initiated alongside lifestyle advice on dietary salt reduction, weight management, regular physical activity, moderation of alcohol intake, and smoking cessation.
Dosage and administration
Motens is available as 2 mg and 4 mg tablets. The dose is individualised based on blood pressure response.
Starting dose
The recommended starting dose is 2 mg once daily, taken in the morning at the same time each day. Swallow the tablet whole with a glass of water. It can be taken with or without food.
Dose titration
If adequate blood pressure control is not achieved after 3 to 4 weeks, the dose may be increased to 4 mg once daily.
If further reduction is needed, the maximum dose is 6 mg once daily. Your prescriber will assess your response at each step before increasing the dose.
Special populations
Elderly patients may be more sensitive to lacidipine and should be started on 2 mg daily with careful blood pressure monitoring.
No dose adjustment is needed for renal impairment, as lacidipine is almost entirely metabolised by the liver with negligible renal excretion.
In hepatic impairment, the antihypertensive effect may be enhanced, and lower starting doses with careful monitoring are recommended.
Side effects of Motens
Common side effects
Headache, flushing, and dizziness are the most commonly reported side effects and are directly related to the vasodilatory mechanism of lacidipine.
These effects are usually mild, tend to occur during the first few days of treatment or after a dose increase, and often improve as the body adjusts.
Peripheral oedema (swelling of the ankles, feet, and lower legs) is a class effect of all dihydropyridine CCBs.
It results from arteriolar dilation increasing capillary pressure and is not related to heart failure or fluid overload. Diuretics are ineffective for this type of oedema.
Uncommon and rare side effects
Palpitations and mild tachycardia may occur as a reflex response to vasodilation, though lacidipine's slow onset of action makes this less common than with shorter-acting dihydropyridines.
Gastrointestinal symptoms including nausea and epigastric discomfort are uncommon. Skin rash, fatigue, and polyuria have been reported rarely.
Gum hyperplasia (overgrowth of the gums) is a recognised class effect of dihydropyridine CCBs.
It is more common in patients with poor dental hygiene and can be managed with improved oral care and regular dental visits.
If severe, it may require drug discontinuation.
When to seek medical advice
Contact your GP, pharmacist, or NHS 111 if you experience persistent headache, dizziness, troublesome ankle swelling, palpitations, or swollen or bleeding gums.
Seek emergency care by calling 999 or attending A&E if you experience symptoms of severe hypotension (fainting, severe dizziness, cold clammy skin), chest pain, or signs of a severe allergic reaction (swelling of the face or throat, difficulty breathing, widespread rash).
Report any suspected adverse reactions via the MHRA Yellow Card scheme at yellowcard.mhra.gov.uk .
Warnings and precautions
Contraindications
Motens should not be used in patients with known hypersensitivity to lacidipine or any excipient, severe aortic stenosis, unstable angina, or within one month of a myocardial infarction.
Grapefruit interaction
Grapefruit and grapefruit juice inhibit the CYP3A4 enzyme in the gut wall and liver, which is responsible for the metabolism of lacidipine.
This can lead to increased plasma concentrations of lacidipine, enhancing both its therapeutic and adverse effects. Avoid grapefruit throughout your treatment.
Hepatic impairment
Lacidipine undergoes extensive hepatic metabolism, and its bioavailability and plasma levels may be significantly increased in patients with liver disease.
Lower starting doses and careful blood pressure monitoring are required. Regular liver function assessment may be warranted in patients with known hepatic impairment.
Heart failure
Although lacidipine has minimal negative inotropic effect compared with non-dihydropyridine CCBs, it should be used with caution in patients with heart failure or significantly impaired left ventricular function.
NICE guidelines generally recommend ACE inhibitors, ARBs, beta-blockers, and mineralocorticoid receptor antagonists as the preferred pharmacological agents for heart failure with reduced ejection fraction.
Drug interactions
Concurrent use with other antihypertensives may produce an additive blood pressure lowering effect. CYP3A4 inhibitors (ketoconazole, itraconazole, erythromycin, clarithromycin, ritonavir) may increase lacidipine levels.
CYP3A4 inducers (rifampicin, carbamazepine, phenytoin, St John's wort) may reduce its effectiveness. Lacidipine does not have clinically significant interactions with digoxin, warfarin, or metformin at standard doses.
Pregnancy and breastfeeding
Lacidipine is not recommended in pregnancy. Animal studies have shown embryotoxicity at high doses, and there are insufficient human data to confirm safety.
For hypertension in pregnancy, labetalol, nifedipine (modified-release), and methyldopa are the recommended first-line options per NICE NG133 (Hypertension in pregnancy).
It is not known whether lacidipine is excreted in human breast milk; breastfeeding is not recommended during treatment.
Women of childbearing potential should discuss effective contraception with their prescriber.
How to get a Motens prescription in the UK
Motens is classified as a prescription-only medicine (POM) in the UK.
It is typically prescribed by a GP following a diagnosis of hypertension confirmed by ambulatory or home blood pressure monitoring, as per NICE NG136.
Some patients may be initiated on lacidipine by a hospital specialist, particularly if other antihypertensives have been poorly tolerated or ineffective.
Ongoing prescriptions are managed through your GP surgery or an authorised online prescriber registered with the GPhC.
The standard NHS prescription charge in England is currently 9.90 pounds per item. Prescriptions are free in Scotland, Wales, and Northern Ireland. Generic lacidipine is available and may be dispensed at the pharmacy.
Living with hypertension: practical management
Medication is one component of effective blood pressure management. Lifestyle modifications can make a significant difference and are recommended alongside pharmacological treatment.
Reduce dietary salt intake to no more than 6 grams per day (approximately one teaspoon).
Maintain a healthy body weight, as even modest weight loss can lower blood pressure.
Engage in regular physical activity, aiming for at least 150 minutes of moderate-intensity exercise per week (brisk walking, cycling, swimming).
Moderate alcohol consumption to within recommended guidelines (no more than 14 units per week). Stop smoking, as smoking raises blood pressure acutely and accelerates cardiovascular damage.
Eat a balanced diet rich in fruit, vegetables, wholegrains, and low-fat dairy products, following the DASH (Dietary Approaches to Stop Hypertension) pattern where practical.
Monitor your blood pressure at home using a validated upper arm monitor approved by the British and Irish Hypertension Society.
Keep a log of your readings to share with your GP at routine reviews. Attend regular blood pressure checks and medication reviews as advised by your prescriber.
When to seek urgent medical advice
Most hypertension is managed routinely in primary care, but certain situations require urgent or emergency attention.
Seek immediate medical help by calling 999 or attending A&E if you experience sudden severe headache with confusion or visual disturbance (possible hypertensive emergency or stroke), sudden weakness or numbness on one side of the body, sudden difficulty speaking, chest pain or severe shortness of breath, or a blood pressure reading consistently above 180/120 mmHg with symptoms.
Contact your GP or NHS 111 if you experience side effects from your medication, if your home blood pressure readings are consistently above target, or if you have any concerns about your cardiovascular health.
Report any suspected adverse reactions to Motens via the MHRA Yellow Card scheme at yellowcard.mhra.gov.uk .
Sources
- Motens 4 mg tablets, Summary of Product Characteristics (EMC)
- Lacidipine, British National Formulary (BNF)
- NICE NG136: Hypertension in adults
- High blood pressure (hypertension), NHS
- High blood pressure, British Heart Foundation
- MHRA Yellow Card Scheme
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