Rosuvastatin on the NHS: Prescribing, Monitoring and What to Expect

Rosuvastatin is prescribed to lower LDL cholesterol and reduce cardiovascular risk. The NHS uses it in two main contexts:

Primary prevention:

• For people with a 10-year cardiovascular risk of 10% or more (calculated using the QRISK3 tool)
• NICE Clinical Guideline 181 recommends atorvastatin 20 mg as the first-line statin, but rosuvastatin may be used if atorvastatin is not tolerated or if a more potent LDL-lowering effect is needed

Secondary prevention:

• For people who have already had a cardiovascular event (heart attack, stroke, TIA, peripheral arterial disease)
• NICE recommends high-intensity statin therapy; rosuvastatin 10 mg to 20 mg is considered high-intensity

Familial hypercholesterolaemia:

• Rosuvastatin is commonly used in familial hypercholesterolaemia due to its potent LDL-lowering effect
• The maximum dose of 40 mg is sometimes required, though this carries a higher risk of side effects and requires careful monitoring

Why rosuvastatin over atorvastatin?

• Some patients do not tolerate atorvastatin (particularly muscle-related side effects)
• Rosuvastatin may achieve greater LDL reduction at equivalent doses in some patients
• Rosuvastatin has fewer drug interactions than atorvastatin (it is not primarily metabolised by CYP3A4)

Regular monitoring is an important part of statin therapy. Your GP practice will typically arrange the following:

Before starting rosuvastatin:

• Full lipid profile (total cholesterol, LDL, HDL, triglycerides)
• Liver function tests (LFTs)
• Renal function tests
• Thyroid function (hypothyroidism increases the risk of statin-related muscle problems)
• HbA1c or fasting glucose (to assess diabetes risk)
• Calculation of 10-year cardiovascular risk using QRISK3

At 3 months after starting:

• Repeat lipid profile to assess response
• Repeat LFTs
• Assessment of adherence, tolerability and any side effects
• NICE recommends aiming for a greater than 40% reduction in non-HDL cholesterol from baseline

Ongoing monitoring:

• Annual lipid profile and cardiovascular risk review
• LFTs do not need to be repeated routinely unless there are clinical concerns
• CK levels are checked only if muscle symptoms develop; routine CK monitoring is not recommended

What to do between appointments:

• Take rosuvastatin as prescribed, at the same time each day
• Report any new symptoms (especially unexplained muscle pain, dark urine or jaundice)
• Attend your annual review, even if you feel well

NICE Clinical Guideline 181 (Cardiovascular disease: risk assessment and reduction, including lipid modification) is the key guideline governing statin prescribing in England and Wales.

Treatment targets:

• NICE recommends a greater than 40% reduction in non-HDL cholesterol within 3 months of starting high-intensity statin therapy
• If this target is not achieved, the prescriber should discuss adherence, lifestyle factors, and consider increasing the dose

Statin intensity:

• High-intensity: atorvastatin 20 to 80 mg, rosuvastatin 10 to 40 mg
• Medium-intensity: simvastatin 20 to 40 mg, pravastatin 40 mg
• Rosuvastatin 5 mg is considered medium-intensity

Lifestyle alongside medication:

• NICE emphasises that statins should be used alongside lifestyle modifications, not as a replacement
• Dietary advice: increase fruit, vegetables and wholegrain intake; reduce saturated fat
• Regular physical activity: at least 150 minutes of moderate-intensity exercise per week
• Smoking cessation
• Alcohol moderation

When to refer:

• If a patient cannot tolerate at least two different statins
• If familial hypercholesterolaemia is suspected (very high LDL, family history of premature cardiovascular disease)
• If the lipid-lowering response is inadequate despite high-intensity statin therapy at maximum tolerated dose

Getting the most from your rosuvastatin prescription involves a few simple habits.

When to take it:

• Rosuvastatin can be taken at any time of day, with or without food
• Unlike simvastatin (which should be taken at night), rosuvastatin's long half-life means timing is less critical
• Choose a time that fits your routine and stick to it. Many people take it with their morning or evening medicines

Missed doses:

• If you miss a dose, take it as soon as you remember, unless it is almost time for the next dose
• Do not take a double dose to make up for a missed one

Interactions to be aware of:

• Rosuvastatin has fewer drug interactions than some other statins, but important interactions include ciclosporin, warfarin, fibrates and some HIV medicines
• Antacids containing aluminium and magnesium hydroxide can reduce rosuvastatin absorption. Take the antacid at least 2 hours after rosuvastatin
• Grapefruit juice does not significantly interact with rosuvastatin (unlike atorvastatin and simvastatin)

Lifestyle support:

• A heart-healthy diet enhances the cholesterol-lowering effect of rosuvastatin
• Regular exercise can raise HDL cholesterol and improve overall cardiovascular fitness
• If you smoke, stopping smoking is the single most effective step you can take to reduce cardiovascular risk

For more on side effects and management, see the rosuvastatin side effects page.

Rosuvastatin is available as a generic medicine and is relatively inexpensive for the NHS to supply.

NHS prescription costs:

• In England, the standard prescription charge applies (approximately 9.90 GBP per item in 2026)
• In Scotland, Wales and Northern Ireland, NHS prescriptions are free
• Many statin users in England qualify for free prescriptions (e.g. those over 60, those with diabetes, or those on certain qualifying benefits)

Supply:

• Rosuvastatin is widely available at all community pharmacies
• It is dispensed as tablets in strengths of 5 mg, 10 mg, 20 mg and 40 mg
• Generic rosuvastatin (Crestor was the original brand) is dispensed unless a specific brand is requested

Repeat prescriptions:

• Once established on a stable dose, rosuvastatin is typically added to your repeat prescription
• Most practices issue monthly or 2-monthly supplies
• You can order repeats through your GP practice, the NHS App, or electronic prescription services

Statins are one of the most prescribed medicine classes in the UK. The NHS spends relatively little per patient, making them one of the most cost-effective interventions in preventive medicine.