Lescol

Quick links to important sections

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Lescol

Property Description
Active ingredient Fluvastatin sodium
Form Capsule (immediate-release and extended-release)
Pharmacological class Statin (HMG-CoA reductase inhibitor)
General purpose Lipid-lowering agent
Origin Synthetic compound (Indole derivative)

What is Lescol and What Type of Medicine is It?

Lescol is the proprietary name for the prescription-only medication containing the active ingredient Fluvastatin sodium. Fluvastatin belongs to the essential pharmacological class of drugs known as statins, which are formally classified as HMG-CoA reductase inhibitors. Fluvastatin is a synthetic compound, manufactured chemically rather than derived from natural sources, setting it apart from some earlier statin compounds. This medication is clinically recognized for its role as a lipid-lowering therapy.


Composition, Forms, and General Purpose

Lescol is a single product (monotherapy), containing only the active ingredient Fluvastatin sodium as its therapeutic component. This medication is prepared as an oral agent and is offered in two distinct dosage forms: a standard capsule (an immediate-release formulation) and a specialized extended-release formulation (commonly known as Lescol XL). The availability of both formulations is a key differentiator, allowing for varied absorption profiles to suit individual management needs.

The general purpose of Lescol is to serve as a lipid-lowering agent for the management of high fat levels in the bloodstream, referred to as hyperlipidemia or dyslipidemia. Statins, including Fluvastatin, function by inhibiting the key rate-limiting enzyme in cholesterol synthesis. This means the medicine helps to systematically lower the amount of cholesterol produced by the liver, thus improving a patient's overall lipid profile. Its typical use is for adults who require assistance in adjusting their cholesterol balance.

What side effects are possible with Lescol?

Possible Side Effects and Safety Information

The official safety profile for Fluvastatin (Lescol) is organized by regulatory bodies according to the type of reaction and its documented occurrence rate. Adverse reactions are classified into System-Organ Classes (SOCs), with primary safety concerns focusing on musculoskeletal and hepatobiliary systems.

Frequency-Classified Adverse Reactions

Adverse reactions are documented using formal frequency tiers:

  • Very Common (≥ 1/10): Upper respiratory tract infection.
  • Common (≥ 1/100 to < 1/10): Musculoskeletal issues like myalgia (muscle pain) and arthralgia (joint pain), headache, gastrointestinal issues (e.g., dyspepsia, abdominal pain), and elevated blood transaminases (liver enzymes).
  • Rare to Very Rare: Reactions in these categories include myopathy, rhabdomyolysis, myositis, severe hypersensitivity reactions like angioedema, and rare reports of fatal and non-fatal hepatic failure.

Serious Adverse Reactions and Restrictions

Rhabdomyolysis is listed as a serious adverse reaction, a form of severe muscle injury. The label also documents the potential for Immune-Mediated Necrotizing Myopathy (IMNM) in the post-marketing setting.

Lescol is contraindicated in specific populations, notably in women who are pregnant or breastfeeding and in patients with active liver disease or unexplained, persistent elevations in serum transaminases. The risk of muscle effects is increased when co-administered with certain other lipid-lowering therapies (e.g., fibrates). The product label notes that cognitive effects, such as memory loss, are generally described as reversible upon discontinuation.

Overdose and Emergency Response

Overdose and When to Seek Help

Official Regulatory Information for Lescol (Fluvastatin)

Limited clinical experience with Lescol overdose has been reported in regulatory documents. Although a specific antidote is not available, the response to a suspected or confirmed overdose is clearly defined by health authorities.


Overdose Manifestations and Risks

Potential severe clinical manifestations associated with overdose, based on known risks of the drug class, may include rhabdomyolysis (severe muscle breakdown) and acute renal failure (sudden kidney failure). Other documented adverse events that may be relevant in overdose situations are peripheral neuropathy, elevated liver enzymes, and myopathy.

Action Required in Case of Overdose

Action Area Required Procedure (as per official labeling)
Immediate Attention Contact a doctor or hospital emergency department immediately or a Poison Control Center, even if no symptoms are present.
Clinical Management The patient should be treated symptomatically and supportive measures instituted.
Monitoring Liver function tests and serum CK levels (to check for muscle injury) should be monitored.

Summary of Overdose Profile

The regulatory profile for Lescol overdose emphasizes that immediate medical consultation is required due to the potential for serious outcomes, such as severe muscle and kidney damage. Treatment is non-specific, focusing entirely on providing supportive care and closely monitoring critical biomarkers (CK and LFTs) to manage potential systemic effects.

Therapeutic Uses of Lescol

What Lescol treats: main uses and benefits

Lescol is commonly used for the long-term management of high blood fats, applying to the systemic imbalance in conditions like primary hypercholesterolemia, mixed dyslipidemia, and inherited heterozygous familial hypercholesterolemia (HeFH). The medication plays a role in managing critical lab markers, specifically the reduction of elevated Low-Density Lipoprotein Cholesterol (LDL-C) and Triglycerides.

Its role is relevant in Cardiovascular Risk Reduction. It is used in adults with established Coronary Heart Disease (CHD) to help with managing the risk associated with severe health events such as heart attack or stroke.

“The therapy contributes to easing the overall symptom load by supporting a reduced burden of cardiovascular risk markers.”

Fluvastatin is considered relevant for easing the progression of coronary atherosclerosis (artery plaque buildup) and may provide supportive assistance as an adjunct to diet when lifestyle changes alone are insufficient. It is also applied in specific scenarios, including supportive therapy for adolescents (ages 10-16) managing the inherited condition HeFH.


Quick Fact: Relief for Asymptomatic Lipid Imbalance Fluvastatin supports the patient in managing elevated lipid markers that pose a hidden risk, which may assist with easing the overall symptom load.

Eligibility and Restrictions for Use

Who Can and Cannot Use Lescol (Fluvastatin)

Official regulatory information strictly defines the patient groups eligible for Lescol (fluvastatin) therapy based on absolute exclusions and conditional risk factors.

Contraindicated Populations (Must Not Use)

Lescol is contraindicated (prohibited) for use in the following patient groups, as stated in the prescribing information:

  • Patients with active liver disease, including acute liver failure or decompensated cirrhosis.
  • Patients with unexplained, persistent elevations in serum transaminases (liver enzymes).
  • Women who are pregnant or who may become pregnant.
  • Nursing mothers (breastfeeding).
  • Patients with a known hypersensitivity to fluvastatin or any component of the medication.

Age-Related Eligibility and Limitations

  • Adults are the standard approved population for primary use.
  • Pediatric use is restricted: The medicine is approved only for boys and post-menarchal girls 10 to 16 years of age with Heterozygous Familial Hypercholesterolemia (HeFH). Safety and efficacy have not been established in children younger than 10.
  • Older adults (age 65 or greater) are listed as a risk factor for myopathy and rhabdomyolysis, requiring caution.

Condition-Specific Restrictions

Caution is advised for patients with pre-existing conditions that increase the risk of serious muscle or liver complications:

  • Severe Renal Impairment (severe kidney problems).
  • A history of heavy alcohol ingestion or alcohol abuse.
  • Uncontrolled hypothyroidism.
  • Patients experiencing acute or serious conditions (e.g., major surgery, sepsis) should temporarily discontinue treatment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes the officially documented interaction patterns of Lescol (Fluvastatin) as detailed in government regulatory information, focusing strictly on how co-administered substances affect the drug's exposure and risk profile.


Official Interaction Statements and Regulatory Constraints

Interaction Type Interacting Substance(s) Regulatory Outcome / Constraint
Exposure Modification Cyclosporine, Fluconazole Co-administration formally increases fluvastatin exposure, necessitating a mandatory maximum dose limit.
Risk Reinforcement Fibrates, Niacin (ge 1 g/day), Colchicine Documented to increase the risk of adverse skeletal muscle effects (e.g., myopathy).
Physical Binding Bile-acid sequestering agents (e.g., Cholestyramine) Requires Fluvastatin to be administered at least 4 hours after the resin to prevent binding and reduced absorption.

Fluvastatin is primarily metabolized by the hepatic enzyme CYP2C9, forming the basis for many pharmacokinetic interactions. Co-administration with Rifampicin results in approximately 50% lower blood levels of fluvastatin. Procedural constraints are imposed on the co-administration of Warfarin (requiring monitoring of prothrombin times) and Glyburide (requiring monitoring of blood glucose levels). The official label notes that no interaction is expected with grapefruit juice. The risk associated with pharmacodynamic interactions is documented to be heightened in populations aged 65 years or greater and those with renal impairment.

Mechanism of Action

Primary Action: Inhibiting Cholesterol Biosynthesis

The core function of Fluvastatin is the competitive inhibition of the enzyme HMG-CoA Reductase , which is the rate-limiting enzyme in the body's mevalonate pathway for cholesterol synthesis. By blocking this molecular step, the drug significantly depletes the cholesterol concentration within liver cells. This action immediately triggers a compensatory mechanism that directly influences the clearance of circulating lipids from the bloodstream.


Cascade Effect: Upregulation of LDL Receptors

The internal cholesterol deficiency created by the enzyme blockade prompts the liver to increase the number of Low-Density Lipoprotein (LDL) receptors on the surface of its cells. This mechanism ensures that the liver actively extracts more LDL particles from the systemic circulation, which results in the enhanced extraction of circulating LDL particles from the bloodstream.


Secondary Action: Vascular Pleiotropy

Beyond cholesterol, the inhibition of the mevalonate pathway reduces the synthesis of isoprenoids, which are signaling molecules necessary for the activation of key vascular proteins. This suppression leads to non-lipid effects, including increased bioavailability of nitric oxide (NO) and modulation of local inflammatory signals, ultimately contributing to the regulation of the function and stability of the endothelium (blood vessel lining).

Dosage and Administration Information

How Lescol is Used: Official Administration Guidelines

Lescol (Fluvastatin) is a long-term, oral medication administered according to specific regimens. It is available in two formulations: an Immediate-Release (IR) capsule (20 mg and 40 mg) and an Extended-Release (XL) tablet (80 mg).


Official Dosing and Administration Schedule

Instruction Entity Official Administration Guideline
Route of Administration Oral administration only.
Standard Dosing Initial adult doses range from 20 mg or 40 mg once daily (IR) to 80 mg once daily (XL). The maximum daily dose is 80 mg.
Frequency and Titration Dosing is typically once daily. Dose adjustments are generally performed at intervals of 4 weeks or more.
Timing in Relation to Meals The IR capsule may be taken with or without food. The XL tablet should be taken in the evening.
Special Procedural Conditions The Extended-Release tablet must be swallowed whole and must not be crushed, chewed, or cut.

Population-Specific Rules

Official instructions specify administration rules for certain patient groups. For adolescents (ages 10–16) managing Heterozygous Familial Hypercholesterolemia (HeFH), the starting dose is 20 mg once daily (IR), with a maximum daily dose of 40 mg. If a dose is missed, patients are instructed to omit the missed dose and resume the usual schedule; taking a double dose to compensate is not part of the documented protocol. These official guidelines define the standardized protocol for the chronic use of Fluvastatin.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Research Focus on Actions

Research has explored the drug, focusing on its potential association with changes in both mood and pain-related markers. Studies assessed whether the drug was associated with changes in patient-reported quality of life, with some research evaluating changes observed after two weeks of treatment.

Clinical Efficacy and Outcomes

A variety of clinical studies have been conducted to examine the drug's role in outcomes reported by patients experiencing chronic pain and mood disorders.

  • Pain Reduction: Research investigated the use of this combination and whether it was associated with a reduction in pain. Study findings regarding a sustained effect varied.
  • Sleep and Mood: The study reported findings suggesting an association between the drug and changes in sleep patterns. Comparisons with other treatments were not the primary focus of this research.
  • Acute Symptoms: Some research has investigated the drug’s role in acute symptoms, evaluating the timing of any observed changes.

Tolerability and Risk Investigations

Research concerning the drug's tolerability and incidence of adverse events has included numerous investigations, focusing on both short-term and long-term findings.

  • Long-Term Use: The long-term use of the drug in adults has been examined in clinical research.
  • Dosage Evaluation: Clinical studies often initiate treatment with a low dose when evaluating the drug, a strategy that has been explored in relation to the incidence of potential side effects.
  • Specific Patient Groups: Research into this drug often excludes or reports separately on participants with a history of heart conditions.

Conclusion of Evidence

Current evidence is focused on evaluating the drug’s role in pain, mood, and associated quality of life measures reported by specific patient populations. Studies continue to assess the full spectrum of associations regarding potential benefits and risks.

Key Studies & References

  1. Fluvastatin (oral route) - Description, Dosing, and Safety Information
  2. Fluvastatin - StatPearls (Mechanism, Indications, and Adverse Effects)
  3. Statins in Depression: An Evidence-Based Overview of Mechanisms and Clinical Studies (Used for Mood/Pain Pathway context and neutralization)
  4. Fluvastatin EU Safety Risk Management Plan (Used for Tolerability and Specific Patient Groups/Risk)

Frequently Asked Questions (FAQ)

Common questions about Lescol (FAQ)

Q: What is the active ingredient in Lescol?

The active ingredient in Lescol is fluvastatin. According to official product information, fluvastatin is the substance responsible for the medicine's cholesterol-lowering effect.

Q: What kind of medicine is Lescol?

Lescol belongs to a class of medicines known as HMG-CoA reductase inhibitors, more commonly called statins. Regulatory documents state that statins work by reducing the production of cholesterol by the liver.

Q: What is Lescol used for?

Lescol is indicated for treating high levels of cholesterol and fats (triglycerides) in the blood. Official product information indicates it is used for lowering cholesterol in patients who require management of these lipid levels.

Q: Does Lescol help lower LDL cholesterol (bad cholesterol)?

Yes, regulatory documents indicate that Lescol is effective in reducing levels of LDL cholesterol (often referred to as 'bad cholesterol'). Regulatory documents indicate that reducing LDL cholesterol is a primary therapeutic goal for this class of medicine.

Q: Does Lescol help raise HDL cholesterol (good cholesterol)?

According to official product information, Lescol can produce a small increase in HDL cholesterol (often referred to as 'good cholesterol'). This effect is noted by official product information as contributing to the overall modification of blood lipid profiles.

Q: Is Lescol used to prevent heart disease?

Lescol is primarily used to treat high cholesterol, a major risk factor for heart disease. Regulatory documents state that for patients with existing heart disease or those at high risk, treatment is indicated to reduce the risk of certain cardiovascular events.

Q: What are the forms of Lescol available?

Lescol is available in two main forms. One is the standard capsule form, and the other is a special prolonged-release tablet often called Lescol XL. The prolonged-release version is designed to release the medicine slowly over time.

Q: Can Lescol be used in children?

Official information indicates that Lescol may be used in children and adolescents aged 9 years and older in specific situations. This use is generally limited to those who have a very high cholesterol condition known as heterozygous familial hypercholesterolemia, as specified in the official labeling.

Q: Is there a maximum time Lescol can be taken?

There is no stated maximum duration for taking Lescol; treatment is often long-term to manage cholesterol levels. Continued use is generally required to help maintain the cholesterol-lowering effects described in the product information.

Q: What happens if a dose of Lescol is missed?

If a dose of Lescol is missed, the official guidance is generally to take the next dose at the usual time and not to take a double dose to make up for the missed one. This approach is described in the official instructions to help maintain the intended dosing schedule.

Q: What organ does Lescol primarily act upon?

Lescol primarily acts on the liver. According to regulatory documents, fluvastatin works by inhibiting an enzyme in the liver, which helps reduce the body's production of cholesterol.

How should Lescol be stored and disposed of?

How to Store and Dispose of Lescol (Fluvastatin) — Official Requirements

Official regulatory information requires Lescol to be stored at controlled room temperature, typically between 15 C and 30 C (59 F and 86 F). The medication must be kept in its original container with the cap tightly closed to maintain product integrity.

Storage and Handling

Condition Requirement
Temperature Store at room temperature; do not freeze.
Protection Protect from excess heat, moisture, and direct light (e.g., do not store in the bathroom).
Child Safety Must be stored up and away, out of sight and reach of children and pets, and safety caps must be locked.

Disposal

When the medication is expired or no longer needed, it must be properly discarded. Official instructions prohibit flushing Lescol down the toilet or pouring it into a drain. Disposal should be carried out safely by following local drug take-back instructions or consulting a pharmacist for guidance on how to safely throw away the product.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Lescol found in:

A-Z Index: