Drug Monograph

Rosuvastatin

Brand names: Crestor, Ezallor Sprinkle

HMG-CoA reductase inhibitor (statin) · Oral

Quick Facts

Pharmacokinetic Profile
Half-Life
~19 hours
Metabolism
Minimal hepatic (~10% CYP2C9)
Protein Binding
~88% (mostly albumin)
Bioavailability
~20% (extensive first-pass uptake)
Volume of Distribution
~134 L
Clinical Information
Drug Class
HMG-CoA reductase inhibitor
Available Doses
5, 10, 20, 40 mg tablets; 5, 10, 20, 40 mg sprinkle capsules (Ezallor)
Route
Oral, once daily
Renal Adjustment
Yes (severe CKD: max 10 mg/day)
Hepatic Adjustment
Contraindicated in acute liver failure or decompensated cirrhosis
Pregnancy
Not contraindicated since FDA 2021 update; usually discontinue
Lactation
Not recommended
Schedule / Status
Rx only; not a controlled substance
Generic Available
Yes (FDA generic approval April 2016)
Rx

Indications

IndicationApproved PopulationTherapy TypeStatus
Primary hyperlipidemia & mixed dyslipidemiaAdultsAdjunct to dietFDA Approved
HypertriglyceridemiaAdultsAdjunct to dietFDA Approved
Primary dysbetalipoproteinemia (Type III)AdultsAdjunct to dietFDA Approved
Homozygous familial hypercholesterolemia (HoFH)Adults and pediatric patients ≥7 yearsAlone or with other LDL-lowering therapy (e.g., LDL apheresis, ezetimibe, PCSK9 inhibitors)FDA Approved
Heterozygous familial hypercholesterolemia (HeFH)Adults and pediatric patients ≥8 yearsAdjunct to dietFDA Approved
Slowing progression of atherosclerosisAdultsAdjunct to dietFDA Approved
Reduction of major cardiovascular events (MI, stroke, arterial revascularization, CV death)Adults without clinically evident CHD; men ≥50 and women ≥60 with hsCRP ≥2 mg/L plus ≥1 additional CV risk factorAdjunct to dietFDA Approved

Rosuvastatin is among the most potent statins on a milligram basis, producing approximately 45–55% LDL-C reduction across the approved 5–40 mg dose range (VOYAGER pooled estimates). It is widely used for ASCVD secondary prevention, primary prevention in patients meeting JUPITER-type criteria, and management of familial hypercholesterolemia. The 2018 AHA/ACC Cholesterol Guideline classifies rosuvastatin 20–40 mg as high-intensity therapy (≥50% LDL-C reduction) and 5–10 mg as moderate-intensity (30–49% reduction).

Off-Label Uses

Stroke prevention beyond JUPITER population — used in patients with elevated ASCVD risk who fall outside JUPITER inclusion criteria, supported by class-wide data from the Cholesterol Treatment Trialists’ Collaboration. Evidence: high quality (extrapolated from CTT meta-analyses).

Diabetic dyslipidemia without overt ASCVD — preferred high-intensity statin for some patients with renal impairment or polypharmacy because of minimal CYP3A4 metabolism. Evidence: moderate quality.

Non-alcoholic fatty liver disease (NAFLD) with concurrent dyslipidemia — observational data suggest safety and possible hepatic benefit. Evidence: low quality.

Dose

Dosing

Doses are organized below by clinical scenario. All regimens are administered orally, once daily, with or without food, at any time of day. Tablets must be swallowed whole; the Ezallor Sprinkle capsule formulation may be opened and sprinkled on soft food per the product label. Reassess LDL-C as early as 4 weeks after initiation or dose change.

Clinical ScenarioStarting DoseMaintenance DoseMaximum DoseNotes
Hyperlipidemia — moderate-intensity goal (LDL-C reduction 30–49%)5–10 mg once daily5–10 mg once daily10 mg/dayReassess LDL at 4–12 weeks; titrate if goal not reached
Suitable for primary prevention with intermediate ASCVD risk
Hyperlipidemia — high-intensity goal (LDL-C reduction ≥50%)10–20 mg once daily20–40 mg once daily40 mg/day40 mg reserved for patients not at LDL-C goal on 20 mg
Standard dose range per FDA label is 5–40 mg/day
ASCVD secondary prevention (post-MI, post-stroke, established CAD/PAD)20–40 mg once daily20–40 mg once daily40 mg/dayAim for ≥50% LDL-C reduction (AHA/ACC) or LDL-C <55 mg/dL (ESC)
If <50% reduction at 40 mg, add ezetimibe
Primary prevention — JUPITER population (men ≥50, women ≥60, hsCRP ≥2 mg/L, LDL <130)20 mg once daily20 mg once daily20 mg/day (JUPITER-evaluated dose)JUPITER demonstrated 44% RRR in primary composite endpoint at this dose
Confirm baseline ASCVD risk and CV risk factor before initiation
Homozygous familial hypercholesterolemia (HoFH) — adults20 mg once daily20–40 mg once daily40 mg/dayOften combined with PCSK9 inhibitor, ezetimibe, or LDL apheresis
Mean LDL-C reduction ~22% in HoFH (lower than HeFH due to receptor defect)
Homozygous familial hypercholesterolemia (HoFH) — pediatric ≥7 years20 mg once daily20 mg once daily20 mg/dayPer Crestor PI; usually combined with other LDL-lowering therapy
Based on placebo-controlled cross-over study (n=14)
Heterozygous familial hypercholesterolemia (HeFH) — pediatric 8 to <10 years5 mg once daily5–10 mg once daily10 mg/dayTitrate per LDL-C response and tolerability
Growth, weight, and sexual maturation should be monitored
Heterozygous familial hypercholesterolemia (HeFH) — pediatric 10–17 years5 mg once daily5–20 mg once daily20 mg/dayTitrate per LDL-C response and tolerability
No detectable effect on growth or sexual maturation in 2-year trial
Severe hypertriglyceridemia (TG ≥500 mg/dL)10 mg once daily10–40 mg once daily40 mg/dayModest TG reduction (~25%); often combined with omega-3 or fenofibrate
Avoid gemfibrozil combination; fenofibrate preferred when a fibrate is needed

Population-Specific Adjustments

PopulationStarting DoseMaximum DoseNotes
Severe renal impairment (CrCl <30 mL/min/1.73 m², not on hemodialysis)5 mg once daily10 mg/day~3-fold higher plasma exposure; do not exceed 10 mg
Asian ancestry (Chinese, Japanese, Filipino, Korean, Vietnamese, Asian-Indian)5 mg once dailyStandard 40 mg/day per label, but review risks/benefits if not controlled at 20 mg~2-fold higher exposure attributed to OATP1B1 polymorphism prevalence
Concomitant cyclosporine5 mg once daily5 mg/day~7-fold increase in rosuvastatin exposure
Concomitant gemfibrozilAvoid combination; if used, 5 mg once daily10 mg/day~2-fold rise in AUC; markedly elevated myopathy risk
Concomitant atazanavir/ritonavir or lopinavir/ritonavir5 mg once daily (recommended starting)10 mg/daySignificant increase in rosuvastatin exposure
Hemodialysis5 mg once dailyPer clinical response (usually ≤10 mg)Steady-state plasma concentrations ~50% greater than in healthy volunteers; hemodialysis does not significantly enhance clearance
Mild–moderate hepatic impairment (Child-Pugh A/B)Standard dosing acceptableStandard maximaCmax ~60–100% higher; monitor LFTs more frequently
Clinical Pearl — Dosing Pragmatics

Each dose doubling of rosuvastatin produces approximately 6% additional LDL-C reduction (the “rule of 6” common to all statins). Patients far from goal at 20 mg generally derive more benefit from adding ezetimibe (an additional ~13–20% LDL reduction) than from doubling to 40 mg.

Unlike simvastatin and lovastatin, rosuvastatin can be taken at any time of day because of its 19-hour half-life. AUC does not differ between morning and evening dosing — choose whichever timing best supports adherence.

PK

Pharmacology

Mechanism of Action

Rosuvastatin is a competitive, reversible inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, the rate-limiting enzyme converting HMG-CoA to mevalonate in hepatic cholesterol biosynthesis. Reduced intracellular cholesterol upregulates LDL receptors on hepatocytes, accelerating clearance of LDL particles from circulation. The net effect is dose-dependent reduction in LDL-C, apolipoprotein B, non-HDL-C, and total cholesterol, with modest reductions in triglycerides and small increases in HDL-C.

Rosuvastatin is more hydrophilic than most other statins, which limits passive entry into peripheral tissues including skeletal muscle and is thought to contribute to its relatively favorable myotoxicity profile. Hepatic uptake is mediated chiefly by the OATP1B1 transporter; this transporter is therefore the dominant determinant of inter-individual exposure and the locus of most clinically meaningful drug interactions. Beyond LDL lowering, rosuvastatin produces dose-dependent reductions in high-sensitivity C-reactive protein (hsCRP), the basis for the JUPITER trial demonstrating cardiovascular benefit in patients with normal LDL-C but elevated hsCRP.

ADME Profile

ParameterValueClinical Implication
AbsorptionTmax 3–5 h; absolute bioavailability ~20%; AUC unaffected by food or time of administrationTake with or without food, at any time of day
DistributionVd ~134 L; protein binding ~88% (mostly albumin); concentrated in hepatocytes via OATP1B1Hepatoselective uptake reduces extrahepatic exposure and likely contributes to lower myopathy risk
MetabolismMinimal hepatic metabolism (~10%, mainly CYP2C9 to N-desmethyl rosuvastatin); negligible CYP3A4 involvementFar fewer CYP-mediated interactions than simvastatin or atorvastatin; OATP1B1 and BCRP inhibitors drive most clinically significant interactions
Elimination~90% fecal (largely unabsorbed parent drug); after IV dosing, ~28% renal and 72% hepatic clearance; t½ ~19 hLong half-life supports once-daily dosing at any time; renal clearance necessitates dose reduction in severe CKD
SE

Side Effects

Adverse-effect frequencies below are taken from the rosuvastatin controlled clinical trials database (n=5,394) and from the major outcomes trials (JUPITER, METEOR), as reported in the Crestor prescribing information. Real-world rates of muscle and gastrointestinal symptoms are often higher than pivotal-trial reports because of selection criteria and the well-described nocebo effect.

≥10% Very Common
Adverse EffectIncidenceClinical Note
None individually reported at ≥10% in placebo-controlled trialsThe Crestor PI does not list any single adverse reaction at ≥10% incidence in placebo-controlled trials. Pooled observational data place statin-associated muscle symptoms at 5–10%; see Tier 2 for the specific reactions reported at ≥2%
AHA Statin Safety Statement (2019) characterizes RCT myalgia rates as 1–5% and observational rates as 5–10%
1–10% Common
Adverse EffectIncidenceClinical Note
Headache3.7%Generally mild; usually resolves within weeks; rarely dose-limiting
Myalgia (without CK elevation)3.1%Most common reason for discontinuation; check baseline TSH and vitamin D if persistent
Observational rate is higher than RCT rate
Abdominal pain2.6%Usually mild; rule out gallbladder disease if severe or worsening
Asthenia / fatigue2.5%Often improves over weeks; rule out hypothyroidism if persistent
Nausea2.2%Take with food if bothersome; usually transient
New-onset diabetes mellitus (JUPITER)2.8% vs 2.3% placeboHbA1c rose by 0.1% on average; risk concentrated in patients with prediabetes / metabolic syndrome; CV benefit substantially outweighs glycemic risk
Asymptomatic ALT/AST elevation >3× ULN~1%Reversible on discontinuation or dose reduction; not predictive of clinical hepatotoxicity
Proteinuria (dipstick) and microscopic hematuria~1% at 40 mgUsually transient; not associated with progressive renal dysfunction; reduce dose if persistent
Serious Serious Adverse Effects
Adverse EffectEstimated FrequencyTypical OnsetRequired Action
Rhabdomyolysis with possible acute renal failureVery rareWeeks–months; risk highest with interacting drugs and at 40 mgStop drug immediately; check CK and renal function; aggressive hydration; avoid all statins until resolved
Symptomatic myopathy (CK >10× ULN with muscle symptoms)RareWeeks–monthsDiscontinue; rechallenge with lower dose or alternate statin only after resolution
Immune-mediated necrotizing myopathy (IMNM)Very rare (~2 per million person-years across statin class)Months–years; persists or worsens after stoppingPermanent discontinuation; check anti-HMGCR antibody; refer to neurology / rheumatology for immunosuppressive therapy
Fatal and non-fatal hepatic failureRare (post-marketing)Weeks–monthsDiscontinue if ALT/AST >3× ULN with symptoms or jaundice; evaluate for other causes
Hypersensitivity (rash, urticaria, angioedema; rarely SJS/TEN, DRESS)Rare (post-marketing)Days–weeksPermanent discontinuation; avoid all statins after anaphylaxis or severe cutaneous reaction
Cognitive impairment (memory loss, confusion — usually reversible)Rare (post-marketing, statin class label)Days to years; resolution typically within weeks of discontinuationTrial of discontinuation if temporally related; usually reversible; not a contraindication to future statin therapy
Interstitial lung diseaseVery rare (post-marketing)Months–yearsDiscontinue; pulmonology referral; high-resolution CT chest
Thrombocytopenia, peripheral neuropathy (statin class)Very rare (post-marketing)MonthsDiscontinue if temporally related and other causes excluded
Discontinuation Discontinuation Rates
JUPITER (rosuvastatin 20 mg)
6.6% vs 6.2% placebo
Most common reasons: myalgia, hepatic enzyme increased, headache, nausea (myalgia most common)
METEOR (rosuvastatin 40 mg)
5.6% vs 2.8% placebo
Most common reasons: myalgia, hepatic enzyme increased, headache, nausea
Reason for DiscontinuationContextComment
Myalgia / muscle symptomsMost common reason in pooled trials and outcome studiesTrue drug-attributable rate in blinded N-of-1 designs is much lower than open-label rate
Hepatic enzyme increased (ALT/AST >3× ULN)Frequently asymptomaticMany cases resolve on dose reduction; rarely indicative of clinical hepatotoxicity
HeadacheUsually transientMost resolve within weeks of initiation
Nausea / GI intoleranceUsually transientOften improves with food or evening dosing
HypersensitivityPermanent discontinuation indicatedSwitch class if needed

Pediatric discontinuation data: in the 2-year open-label HeFH titration trial (n=175), the adverse-event profile in children and adolescents was generally similar to that in adults; no detectable effect on growth, weight, BMI, or sexual maturation was observed.

Managing Statin-Associated Muscle Symptoms (SAMS)

Most reported muscle symptoms are not drug-attributable when tested in blinded N-of-1 designs. A stepwise approach is recommended: (1) confirm symptoms with a 4–6 week drug holiday; (2) check TSH, vitamin D, and creatinine; (3) if true rechallenge fails on rosuvastatin, try an alternate statin (pravastatin and pitavastatin have low myalgia rates); (4) consider intermittent dosing (e.g., rosuvastatin 5–10 mg every other day or twice weekly); (5) if statin truly intolerated, escalate to ezetimibe ± PCSK9 inhibitor or bempedoic acid.

Int

Drug Interactions

Because rosuvastatin undergoes minimal CYP3A4 metabolism, the classic CYP3A4-driven interactions that complicate simvastatin and atorvastatin are largely absent. The dominant interaction mechanism is inhibition of the hepatic uptake transporters OATP1B1 and BCRP; inhibitors of these transporters raise systemic exposure and amplify myotoxicity risk. The current Crestor PI lists multiple agents with specific dose limits.

Major Cyclosporine
MechanismPotent OATP1B1 and BCRP inhibition
Effect~7-fold increase in rosuvastatin AUC; markedly elevated myopathy / rhabdomyolysis risk
ManagementCap rosuvastatin at 5 mg/day; consider pravastatin or fluvastatin as alternatives in transplant patients
FDA PI
Major Gemfibrozil
MechanismOATP1B1 inhibition plus additive intrinsic muscle toxicity
Effect~2-fold rise in AUC; substantial increase in rhabdomyolysis risk
ManagementAvoid; if used, initiate rosuvastatin 5 mg and do not exceed 10 mg/day; fenofibrate is preferred when a fibrate is required
FDA PI
Major Atazanavir/ritonavir, lopinavir/ritonavir
MechanismOATP1B1 and BCRP inhibition by protease inhibitors
EffectSignificant increase in rosuvastatin exposure
ManagementLimit rosuvastatin to 10 mg/day
FDA PI
Major Simeprevir, regorafenib
MechanismStrong OATP1B1 inhibition
EffectSignificant rise in rosuvastatin levels; elevated myopathy risk
ManagementConcomitant use not recommended
FDA PI
Major Darolutamide
MechanismBCRP / OATP1B1 inhibition
Effect>5-fold increase in rosuvastatin exposure
ManagementDo not exceed rosuvastatin 5 mg/day
FDA PI
Moderate Tafamidis
MechanismBCRP inhibition
EffectIncreased rosuvastatin exposure with elevated myopathy risk
ManagementAvoid combination; if used, initiate rosuvastatin 5 mg and do not exceed 10 mg/day
FDA PI
Moderate Teriflunomide, capmatinib, enasidenib, fostamatinib, febuxostat
MechanismBCRP and/or OATP1B1 inhibition
Effect~1.9- to 2.5-fold rise in rosuvastatin exposure depending on agent
ManagementDo not exceed rosuvastatin 10 mg/day; counsel on muscle symptoms
FDA PI
Moderate Warfarin (and other coumarins)
MechanismProbable CYP2C9-mediated interaction; mechanism incompletely defined
EffectModest INR increase reported in some patients
ManagementAchieve a stable INR before starting rosuvastatin; monitor INR more closely on initiation, dose change, or discontinuation
FDA PI
Moderate Niacin (≥1 g/day) and fibrates (broadly)
MechanismAdditive skeletal muscle toxicity
EffectIncreased risk of muscle symptoms and CK elevation
ManagementUse caution; routine combined niacin + statin no longer recommended (AIM-HIGH, HPS2-THRIVE); fenofibrate has more favorable interaction profile than gemfibrozil
FDA PI
Moderate Colchicine
MechanismAdditive myotoxicity
EffectIncreased risk of myopathy / rhabdomyolysis, especially with chronic use or renal impairment
ManagementUse lowest effective colchicine dose; counsel on muscle symptoms; check CK if symptoms develop
Lexicomp · Case reports
Minor Aluminum/magnesium-containing antacids
MechanismReduced absorption
Effect~50% decrease in rosuvastatin Cmax
ManagementAdminister rosuvastatin at least 2 hours before the antacid
FDA PI
Minor Oral contraceptives (ethinyl estradiol / norgestrel)
MechanismModest reduction in estrogen elimination
Effect~25–35% rise in ethinyl estradiol AUC
ManagementNo dose adjustment; consider when selecting OCP dose
FDA PI
Mon

Monitoring

  • Lipid Panel Baseline; reassess as early as 4 weeks; then 4–12 weeks after dose change; then annually
    Routine
    Confirm percent LDL-C reduction (≥50% target for high-intensity, 30–49% for moderate-intensity). Adherence is a more common reason for inadequate response than non-response.
  • ALT / AST Baseline; thereafter only if symptoms
    Trigger-based
    Routine periodic LFTs are no longer recommended. Repeat if patient develops jaundice, fatigue, abdominal pain, dark urine, or unexplained nausea. Discontinue if ALT/AST >3× ULN with symptoms.
  • Creatine Kinase (CK) Baseline only in high-risk patients; otherwise only if symptoms
    Trigger-based
    High-risk = age ≥65, hypothyroidism, renal impairment, prior statin myopathy, Asian ancestry, or interacting drug. Check if patient develops myalgia, weakness, or dark urine. Stop if CK >10× ULN with symptoms.
  • HbA1c / Fasting Glucose Baseline; periodically if at risk for diabetes
    Routine
    Modest excess incidence of new-onset diabetes (mostly in patients with prediabetes). CV benefit greatly outweighs glycemic risk; do not stop the statin if A1c rises into diabetic range.
  • Renal Function Baseline; per overall comorbidity profile
    Routine
    Estimate CrCl/eGFR before initiation and recheck if clinical change. Severe CKD (CrCl <30 mL/min/1.73 m²) requires dose cap at 10 mg/day. Asymptomatic dipstick proteinuria is more common at 40 mg and is not progressive.
  • TSH If unexplained myalgia or rising CK
    Trigger-based
    Unrecognized hypothyroidism is a major contributor to apparent statin intolerance and CK rise; treat the thyroid before declaring statin intolerance.
  • Vitamin D (25-OH) If persistent muscle symptoms
    Trigger-based
    Vitamin D deficiency mimics statin myalgia and is common in this population; replete before considering rechallenge.
  • Adherence Check Every clinical visit
    Routine
    Approximately half of patients discontinue statins within 1 year of initiation. Open, non-judgemental questioning (“How often do you forget?”) yields more accurate information than yes/no adherence questions.
  • Pregnancy Status In females of reproductive potential, periodically
    Trigger-based
    FDA removed the pregnancy contraindication in July 2021. Statins are generally discontinued during planned or confirmed pregnancy unless benefits clearly outweigh risk (e.g., HoFH or established ASCVD). Effective contraception is recommended during therapy.
CI

Contraindications & Cautions

Absolute Contraindications (per current FDA Crestor PI)

  • Acute liver failure or decompensated cirrhosis.
  • Hypersensitivity to rosuvastatin or any formulation excipient (including any prior statin-induced anaphylaxis, SJS/TEN, or DRESS).

Relative Contraindications (Specialist Input Recommended)

  • Pregnancy — although the FDA removed the contraindication in 2021, statins are still typically discontinued during planned or confirmed pregnancy. Continued use is reasonable only in HoFH or established ASCVD where lipid-lowering benefit clearly outweighs theoretical fetal risk; document the explicit risk-benefit discussion.
  • Lactation — breastfeeding is not recommended during rosuvastatin therapy; if therapy is required postpartum, use formula.
  • Severe renal impairment (CrCl <30 mL/min/1.73 m², not on hemodialysis) — start at 5 mg, do not exceed 10 mg/day.
  • History of statin-induced rhabdomyolysis or immune-mediated necrotizing myopathy — IMNM is a permanent contraindication to all statins; uncomplicated SAMS may permit cautious rechallenge with a different statin.
  • Concomitant cyclosporine — only the 5 mg/day dose is permissible; consider an alternative statin where possible.
  • Active heavy alcohol use — increased risk of hepatotoxicity; address alcohol use first where possible.

Use with Caution

  • Asian ancestry — initiate at 5 mg due to ~2-fold higher exposure.
  • Age ≥65 years — frailty, polypharmacy, and lower muscle mass raise myopathy risk.
  • Hypothyroidism — treat first; untreated hypothyroidism amplifies myopathy risk and elevates CK.
  • Concomitant fibrates, niacin (≥1 g/day), colchicine, or daptomycin — additive myotoxicity; counsel on muscle symptoms.
  • Diabetes risk factors (prediabetes, metabolic syndrome) — small excess diabetes incidence; CV benefit nonetheless outweighs risk.
  • Pediatric patients <7 years (HoFH) or <8 years (HeFH) — efficacy and safety not established below these ages.
FDA Class-Wide Regulatory Update Statin Use During Pregnancy — FDA Communication of July 20, 2021

The FDA requested removal of the contraindication against statin use in pregnancy from the labeling of all statins (atorvastatin, fluvastatin, lovastatin, pitavastatin, pravastatin, rosuvastatin, and simvastatin). The change does not endorse routine use; it allows individualized risk-benefit decisions, particularly for women with HoFH, established ASCVD, or very high CV risk.

Most patients should still discontinue statins on confirmation of pregnancy. Lactation remains a reason to defer therapy because of unknown infant exposure and theoretical risk; patients who require ongoing statin therapy postpartum should not breastfeed.

FDA Class-Wide Regulatory Warning Myopathy and Rhabdomyolysis

All HMG-CoA reductase inhibitors carry a class-wide warning regarding rare but serious myopathy and rhabdomyolysis. Risk rises with higher doses, advancing age (≥65 years), uncontrolled hypothyroidism, renal impairment, female sex, low body weight, Asian ancestry, and concomitant interacting drugs (especially cyclosporine, gemfibrozil, certain antivirals, niacin, and fibrates).

Counsel every patient to promptly report unexplained muscle pain, tenderness, weakness, or dark urine. Discontinue immediately if rhabdomyolysis is suspected or if CK rises >10× ULN with symptoms. Temporarily withhold rosuvastatin in any patient with an acute serious condition predisposing to rhabdomyolysis (sepsis, hypotension, dehydration, major surgery, severe metabolic or electrolyte disorder, uncontrolled seizures).

Pt

Patient Counselling

Purpose of Therapy

Rosuvastatin lowers LDL (“bad”) cholesterol by reducing the liver’s production of cholesterol. Lower LDL means less plaque buildup inside arteries, which reduces the chance of heart attacks, strokes, and the need for procedures such as stents or bypass surgery. The benefit accumulates over years — most patients are taking it for prevention rather than for symptom relief, so they may not “feel” anything different. Lifestyle measures (diet, exercise, weight control, smoking cessation) act on the same arteries and add to the benefit.

How to Take

Take one tablet once a day, with or without food, at any time of day. Choose a time that fits the daily routine — morning with breakfast or evening with dinner are both fine. Swallow tablets whole. Do not take a double dose if a dose is missed; resume at the next regular dose. Antacids that contain aluminum or magnesium should be taken at least 2 hours after the rosuvastatin dose. Do not stop the medicine without speaking to the prescriber, even if cholesterol numbers look good — stopping is when the protection fades.

Muscle Pain or Weakness
Tell patient Some mild aches in the first few weeks are common and often unrelated to the medicine. They usually settle. Stay hydrated, especially during exercise. Severe weakness or pain that affects walking or stair-climbing is not normal.
Call prescriber Severe or persistent muscle pain, unexplained weakness, fatigue out of proportion to activity, or dark / cola-colored urine. Seek same-day care for the dark-urine combination.
“I Feel Fine — Why Am I Taking This?”
Tell patient High cholesterol does not cause symptoms. The medication’s job is to prevent a future heart attack or stroke, not to make today feel different. Stopping it because nothing feels different is the most common cause of preventable cardiovascular events in clinic populations.
Call prescriber Before stopping or skipping doses for any reason. New side effects, planned pregnancy, planned surgery, or any new prescription from another clinician.
Pregnancy Plans
Tell patient If pregnancy is being planned, the prescriber will usually pause the statin before conception. If pregnancy is discovered while taking it, contact the clinic — do not panic. Recent FDA review of cohort data did not show a clear pattern of birth defects from inadvertent first-trimester exposure, but stopping is still the standard approach for most patients.
Call prescriber Before trying to conceive, on missed period, or on a positive home pregnancy test. Also before breastfeeding, as the medicine is not recommended during lactation.
Other Medicines, Including Over-the-Counter
Tell patient Always tell every healthcare provider — including dentists and pharmacists — that rosuvastatin is on the list. Several medicines need careful coordination: cyclosporine after transplant, gemfibrozil, certain HIV protease inhibitors, some hepatitis C drugs, and several cancer medicines (such as darolutamide and tafamidis).
Call prescriber Before starting any new prescription, especially fibrates, antivirals for hepatitis or HIV, immunosuppressants, or oncology drugs. Antacids should be taken at least 2 hours after the rosuvastatin dose.
Alcohol
Tell patient Light to moderate alcohol use is generally compatible. Heavy or daily drinking raises the chance of liver irritation and is best avoided while on this medicine.
Call prescriber Yellowing of the skin or eyes, persistent abdominal pain, very dark urine, or unusual fatigue — any of these warrant prompt evaluation regardless of alcohol intake.
Diabetes Risk
Tell patient Statins very slightly raise the chance of being diagnosed with diabetes, mainly in people who were already on the borderline. The protection from heart attacks and strokes is far larger than this small risk, so the medicine is still recommended.
Call prescriber Increased thirst, frequent urination, unexplained weight loss, or persistently elevated home blood-sugar readings (if monitoring is being done).
Memory or Confusion
Tell patient A label warning describes rare reports of memory or thinking problems while on statins. Where these have occurred, they have usually reversed within weeks of stopping. They are not the same as dementia and are not a reason to avoid the medicine pre-emptively.
Call prescriber New, persistent forgetfulness or confusion that is out of character — particularly if it appeared shortly after starting the medicine.
Ref

Sources

Regulatory (PI / SmPC)
  1. CRESTOR (rosuvastatin calcium) US Prescribing Information. AstraZeneca Pharmaceuticals LP; revised 2024. Accessed via FDA Drugs@FDA. accessdata.fda.gov/drugsatfda_docs/label/2024/021366s046lbl.pdf Authoritative source for FDA-approved indications, dosing, contraindications, and adverse-reaction frequencies cited in this monograph.
  2. EZALLOR SPRINKLE (rosuvastatin) Prescribing Information. Sun Pharmaceutical Industries; revised 2024. accessdata.fda.gov/drugsatfda_docs/label/2024/208647s013lbl.pdf Sprinkle capsule formulation labeling; aligned with Crestor on indications, dosing limits, and contraindications.
  3. FDA Drug Safety Communication: FDA requests removal of strongest warning against using cholesterol-lowering statins during pregnancy. July 20, 2021. fda.gov The 2021 labeling change underlying current pregnancy guidance.
Key Clinical Trials
  1. Ridker PM, Danielson E, Fonseca FAH, et al. Rosuvastatin to prevent vascular events in men and women with elevated C-reactive protein (JUPITER). N Engl J Med. 2008;359(21):2195-2207. doi:10.1056/NEJMoa0807646. doi.org/10.1056/NEJMoa0807646 Pivotal primary-prevention trial supporting the FDA primary-prevention indication; HR 0.56 for the primary composite endpoint (44% relative risk reduction).
  2. Jones PH, Davidson MH, Stein EA, et al. Comparison of the efficacy and safety of rosuvastatin versus atorvastatin, simvastatin, and pravastatin across doses (STELLAR Trial). Am J Cardiol. 2003;92(2):152-160. doi:10.1016/s0002-9149(03)00530-7 Head-to-head dose-comparison data establishing rosuvastatin’s potency advantage on a milligram-for-milligram basis across the 10–40 mg range.
  3. Crouse JR III, Raichlen JS, Riley WA, et al. Effect of rosuvastatin on progression of carotid intima-media thickness in low-risk individuals (METEOR). JAMA. 2007;297(12):1344-1353. doi:10.1001/jama.297.12.1344 Imaging trial supporting the slowing-of-atherosclerosis indication; source for the 5.6% vs 2.8% adverse-event discontinuation rates cited in this monograph.
  4. Nicholls SJ, Brandrup-Wognsen G, Palmer M, et al. Meta-analysis of comparative efficacy of increasing dose of atorvastatin versus rosuvastatin versus simvastatin on lowering levels of atherogenic lipids (from VOYAGER). Am J Cardiol. 2010;105(1):69-76. doi:10.1016/j.amjcard.2009.08.651 Pooled individual-patient meta-analysis underpinning the AHA/ACC 2018 statin-intensity classification used here.
Guidelines
  1. Grundy SM, Stone NJ, Bailey AL, et al. 2018 AHA/ACC/AACVPR/AAPA/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Blood Cholesterol. Circulation. 2019;139(25):e1082-e1143. doi:10.1161/CIR.0000000000000625 Primary US guideline; classifies rosuvastatin 20–40 mg as high-intensity therapy and 5–10 mg as moderate-intensity for primary and secondary prevention.
  2. Mach F, Baigent C, Catapano AL, et al. 2019 ESC/EAS Guidelines for the management of dyslipidaemias. Eur Heart J. 2020;41(1):111-188. doi:10.1093/eurheartj/ehz455 European framework with lower LDL-C targets (e.g., <55 mg/dL in very-high-risk patients) supporting high-intensity rosuvastatin dosing.
  3. Newman CB, Preiss D, Tobert JA, et al. Statin Safety and Associated Adverse Events: A Scientific Statement From the American Heart Association. Arterioscler Thromb Vasc Biol. 2019;39(2):e38-e81. doi:10.1161/ATV.0000000000000073 Comprehensive class-wide safety review used here for myopathy framing, observational vs RCT muscle-symptom rates, and diabetes risk discussion.
Mechanistic / Basic Science
  1. Cholesterol Treatment Trialists’ (CTT) Collaboration. Efficacy and safety of LDL-lowering therapy among men and women: meta-analysis of individual data from 174,000 participants in 27 randomised trials. Lancet. 2015;385(9976):1397-1405. doi:10.1016/S0140-6736(14)61368-4 Class-wide meta-analysis underlying “lower is better” LDL-C principle and the magnitude-of-benefit framing in this monograph.
  2. Schachter M. Chemical, pharmacokinetic and pharmacodynamic properties of statins: an update. Fundam Clin Pharmacol. 2005;19(1):117-125. doi:10.1111/j.1472-8206.2004.00299.x Comparative pharmacology framework distinguishing rosuvastatin from CYP3A4-metabolized statins.
Pharmacokinetics / Special Populations
  1. Lee E, Ryan S, Birmingham B, et al. Rosuvastatin pharmacokinetics and pharmacogenetics in white and Asian subjects residing in the same environment. Clin Pharmacol Ther. 2005;78(4):330-341. doi:10.1016/j.clpt.2005.06.013 Source for the ~2-fold AUC increase observed in Asian-ancestry patients; basis for the 5 mg starting dose.
  2. Simonson SG, Raza A, Martin PD, et al. Rosuvastatin pharmacokinetics in heart transplant recipients administered an antirejection regimen including cyclosporine. Clin Pharmacol Ther. 2004;76(2):167-177. doi:10.1016/j.clpt.2004.03.010 Quantifies the ~7-fold AUC rise driving the 5 mg dose cap with cyclosporine.
  3. Martin PD, Warwick MJ, Dane AL, et al. Metabolism, excretion, and pharmacokinetics of rosuvastatin in healthy adult male volunteers. Clin Ther. 2003;25(11):2822-2835. doi:10.1016/s0149-2918(03)80336-3 Primary pharmacokinetic study confirming ~20% bioavailability, ~10% metabolism, and predominantly fecal excretion.