Lextor

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

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 Lextor

LEXTOR: OVERVIEW AND QUICK FACTS

Property Description
Active Ingredient Escitalopram
Form Tablet, Oral solution
Pharmacological Class Selective Serotonin Reuptake Inhibitor (SSRI), Antidepressant
Route of Administration Oral
Origin/Type Synthetic, Single isomer (S-enantiomer)

What Type of Medicine is Lextor (Escitalopram)?

Lextor is a prescription-only medication belonging to the antidepressant class, specifically categorized as a Selective Serotonin Reuptake Inhibitor (SSRI). The medication’s core function is centered on promoting serotonergic activity in the central nervous system, which is clinically recognized for its efficacy in helping to restore the chemical environment that regulates mood and emotional state. The SSRI classification distinguishes it from older psychotropic compounds by virtue of its highly selective profile, as it primarily targets the serotonin (5-HT) system. Its typical use is to help manage persistent, disruptive symptoms often associated with generalized anxiety or major depressive disorder, providing relief related to emotional stability.

Composition, Form, and Origin: The Single-Isomer SSRI

The pharmacological action of Lextor is driven by its active ingredient, Escitalopram, which is commonly supplied for oral administration as a tablet or oral solution. Escitalopram is a synthetic compound that holds a unique identity as the purified (S)-enantiomer (a single isomer) of the racemic substance citalopram. This single-isomer composition is a critical identifier of the drug, signifying that it contains only the component responsible for therapeutic activity. Escitalopram is highly selective and works by binding to the Serotonin Transporter (SERT), thereby increasing the availability of 5-HT in the synaptic space. This high selectivity enhances the medication’s targeted action compared to less refined chemical predecessors.

Regulatory References

  1. Escitalopram: MedlinePlus Drug Information

What side effects are possible with Lextor?

The official safety profile for Lextor (Escitalopram) strictly classifies potential adverse reactions based on frequency and affected physiological systems, as documented in government regulatory sources (e.g., FDA, EMA SmPC).

Frequency-Classified Adverse Reactions

Adverse events are categorized by incidence rate:

  • Very Common (may affect more than 1 in 10 people): Headache, Nausea, and Ejaculation disorder (ejaculatory delay).
  • Common (may affect up to 1 in 10 people): Insomnia or Somnolence (Drowsiness), Fatigue, Sweating increased, Dry mouth, Diarrhea, Dizziness, Decreased libido, and Anorgasmia.

Reactions are grouped into System-Organ Classes including Gastrointestinal Disorders, Nervous System Disorders, and Psychiatric Disorders.

Serious Adverse Reactions and Safety Constraints

The label includes mandatory warnings about serious reactions, such as an increased risk of Suicidal Thoughts and Behaviors documented in children, adolescents, and young adults (up to age 24). Other critical documented risks include Serotonin Syndrome, Hyponatremia (low serum sodium), the potential for Abnormal Bleeding, and Seizures.

Safety constraints prohibit use in patients with known Hypersensitivity to Escitalopram or Citalopram, or when used concurrently with Monoamine Oxidase Inhibitors (MAOIs).

Population-Specific and Time-Related Safety

Official documents highlight safety considerations for specific groups. Older adults have a documented increased risk of hyponatremia and reduced drug clearance. Use during late-stage pregnancy is associated with risks of poor neonatal adaptation, including Persistent Pulmonary Hypertension of the Newborn (PPHN). The highest documented risk for the emergence of suicidal ideation and behavior is during the initial few months of treatment or following a dose change.

Overdose and Emergency Response

Overdose and When to Seek Emergency Help

Urgent Medical Attention Required

Any suspected overdose of Lextor (escitalopram) is considered a serious medical event. Immediate medical help must be sought by contacting emergency services if overdose is suspected or if symptoms of a severe reaction, such as Serotonin Syndrome, manifest.

Serotonin Syndrome

Serotonin Syndrome is a potentially life-threatening condition associated with antidepressant overdose, particularly when combined with other serotonergic agents. Symptoms may include confusion, agitation, hallucinations, muscle rigidity, fast heart rate, high blood pressure, dilated pupils, heavy sweating, and fever. The occurrence of such symptoms warrants emergency medical care.

Documented Overdose Manifestations

Overdose presentations typically affect the central nervous and cardiovascular systems. Commonly reported symptoms include altered mental status (e.g., somnolence or coma), convulsions (seizures), dizziness, tremor, nausea, and vomiting. Cardiac abnormalities may also occur, such as tachycardia (fast heart rate) and changes on an electrocardiogram (ECG), including QTc interval prolongation, which can increase the risk of irregular heart rhythms.

Overdose Management

If overdose is confirmed, the standard clinical approach focuses on supportive and symptomatic care in a hospital setting. This includes ensuring a clear airway, adequate ventilation and oxygenation, continuous monitoring of cardiac function and vital signs, and may involve the use of activated charcoal to limit further absorption of the drug.

Therapeutic Uses of Lextor

What Lextor Treats: Main Uses and Benefits

Lextor (Escitalopram) is primarily used for its capacity to provide symptomatic relief and supportive therapy across several domains of psychological distress. It provides support that helps ease the overall symptom burden and may help improve day-to-day comfort during symptomatic periods. The medication is commonly used across conditions presenting with symptoms related to emotional distress, including Major Depressive Disorder (MDD), Generalized Anxiety Disorder (GAD), Panic Disorder, Social Anxiety Disorder, and Obsessive-Compulsive Disorder.

Core Therapeutic Contexts

Lextor is commonly used across conditions presenting with symptoms related to emotional distress, and is relevant for easing symptom clusters that may become intense or disruptive, such as low mood, anhedonia (loss of pleasure), and feelings of worthlessness. It is applied when symptoms create noticeable functional strain, and may assist with supporting functional stability and general well-being during symptomatic phases. The medication is relevant for easing symptoms that interfere with daily comfort, such as excessive worry or the symptomatic manifestations of Panic Disorder. It is applied during phases when symptoms become more noticeable, offering symptomatic relief that contributes to easing the overall symptom load during episodes.

Quick Fact: Support for Functional Symptoms
Lextor is used for managing symptoms related to systemic imbalance, including sleep disturbance (insomnia), persistent fatigue, and difficulty concentrating, which may be part of symptomatic management.

Eligibility and Restrictions for Use

Lextor (Escitalopram) eligibility is strictly defined by regulatory guidelines to ensure safe use across different populations and clinical conditions.

Contraindications and Restrictions

Contraindications (Must Not Use):

  • Hypersensitivity to escitalopram, citalopram, or any excipients.
  • Concomitant use with Monoamine Oxidase Inhibitors (MAOIs), or within 14 days of discontinuing an MAOI.
  • Concomitant use with Pimozide.
  • Patients with known QT-interval prolongation or congenital long QT syndrome.

Age-Related Eligibility:

  • Adults are the approved primary population.
  • Adolescents (12–17 years) are approved for Major Depressive Disorder (MDD).
  • Children (7 years and older) are approved for Generalized Anxiety Disorder (GAD) (FDA standard). However, European authorities advise against use in patients under 18 years.

Conditional Use (Requires Caution):

  • Older Adults (typically over 65) are eligible, but regulatory bodies recommend a lower dose due to increased drug exposure.
  • Hepatic Impairment: Patients with reduced liver function are eligible, though a lower dose is recommended.
  • Severe Renal Impairment: Use with caution is advised due to insufficient data for chronic treatment in this group.
  • Pregnancy/Lactation: Use is restricted and should occur only if the potential benefit outweighs the potential risk to the fetus or infant.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Lextor has documented interactions that can alter its concentration in the body or the concentration of co-administered medications, necessitating careful management.

Interactions Affecting Lextor Levels

Lextor is primarily metabolized by the CYP3A4 enzyme and is a substrate for the transporter P-glycoprotein (P-gp). Co-administration with strong inhibitors of these pathways can significantly increase Lextor plasma concentrations, raising the risk of serious adverse effects like myopathy or rhabdomyolysis. Examples of interacting medicines requiring dose restrictions include Cyclosporine, Gemfibrozil, and certain HIV/Hepatitis C protease inhibitors (e.g., Ritonavir-boosted regimens). Conversely, co-administration with strong inducers of CYP3A4 or P-gp (e.g., Rifampin) can decrease Lextor plasma levels, potentially reducing its clinical effectiveness.

Interactions Affecting Other Medicines

Lextor is an inhibitor of CYP2C19. Therefore, co-administration with other medicines that are sensitive substrates of CYP2C19 (e.g., certain proton pump inhibitors or antiplatelet drugs) may lead to increased exposure of the substrate medicine, altering its expected effects.

Mechanism of Action

Lextor's active pharmaceutical ingredient is escitalopram, the S-enantiomer of citalopram.

Lextor acts as a selective serotonin reuptake inhibitor (SSRI), primarily targeting the sodium-dependent serotonin transporter (SERT) protein on the presynaptic membrane of central nervous system (CNS) neurons. The drug molecule binds to both the orthosteric and a secondary allosteric binding site on the SERT, resulting in a non-competitive inhibition of the transporter's function.

This molecular interaction prevents the reuptake of the neurotransmitter serotonin (5-HT) from the synaptic cleft back into the presynaptic terminal.

The resulting molecular pathway involves a sustained increase in the concentration of 5-HT within the synaptic cleft, leading to enhanced and prolonged stimulation of postsynaptic 5-HT receptors. Downstream, prolonged exposure to elevated synaptic 5-HT concentration causes the desensitization and downregulation of presynaptic 5-HT1A autoreceptors. This autoreceptor modulation, which occurs over a time course, facilitates the further release of 5-HT. The overall system-level physiological consequence is a gradual, prolonged potentiation of serotonergic neurotransmission throughout the CNS.

Dosage and Administration Information

The administration of Lextor (Escitalopram) follows an established, once-daily oral regimen. The medicine may be taken at any time of day, either in the morning or the evening, and can be ingested with or without food.


Dosing Schedule and Adjustments

The typical starting dose for adults with Major Depressive Disorder or Generalized Anxiety Disorder is 10 mg once daily. The maximum recommended daily dose for adults is 20 mg. Dose escalation, if required, is permitted only after a minimum of one week on the starting dose.

Specific dose limits are outlined for certain patient groups. The recommended maximum dose is 10 mg once daily for older adults (age 65 and over) and for individuals with hepatic impairment. In the event of a missed dose, the instruction is to take it as soon as remembered unless it is nearly time for the next scheduled dose, in which case the missed dose should be skipped; a double dose must never be taken to compensate.


Administration of Dosage Forms and Course Duration

Lextor is supplied as oral tablets (including scored 10 mg and 20 mg strengths) and an oral solution. For the liquid formulation, accurate measurement using a marked device is mandatory. The oral solution may be safely mixed with water, apple juice, or orange juice before ingestion.

The therapeutic course includes a continuation phase, often lasting several months, following initial response. Treatment must not be stopped abruptly; instead, discontinuation requires a gradual dose reduction (tapering) to adhere to the established use protocol.

Recent Clinical Evidence

Research evidence / Overview of Studies for Lextor

This section provides a transparent overview of the research and clinical trials that have evaluated Lextor, focusing on the evidence architecture and what has been measured, as reported in regulatory and authoritative scientific sources. Studies help show what has been observed so far, providing context but not individual predictions.


Evidence for Use in Major Depressive Disorder (MDD)

The evidence base for MDD was constructed using short-term (typically 8 to 12 weeks) Randomized Controlled Trials (RCTs). These studies were used in research exploring how symptoms change over time by comparing the medicine to an inactive placebo and sometimes to other agents evaluated for similar conditions.

Studies tracked the percentage of patients who met predefined symptom reduction criteria or achieved a low symptom threshold. Some analyses reported that trials comparing this medicine to its precursor carried a high risk of bias. Furthermore, data for certain groups remain insufficient, and comparative evidence against the full range of other modern agents is often limited in public summaries.


Evidence for Use in Generalized Anxiety Disorder (GAD) and Social Anxiety Disorder (SAD)

Lextor was evaluated in short-term randomized controlled trials for GAD and SAD, which are conditions marked by functional limitations. Acute treatment trials were typically 8 to 12 weeks for GAD and up to 24 weeks for SAD. Studies explored the impact on anxiety symptoms and tracked outcomes reflecting daily functioning or activity level. Research examined the measured difference in symptom scores compared to placebo in the observed adult populations.

Evidence for Panic Disorder (PD) and Obsessive-Compulsive Disorder (OCD)

Research examined the medicine for both Panic Disorder (tracking the frequency of full panic attacks) and Obsessive-Compulsive Disorder (OCD) (measuring changes in obsessive and compulsive symptoms). Fewer dedicated studies have been conducted for these indications compared to MDD and GAD. Additionally, some OCD research scenarios involved the use of doses at the higher end of the typical range, and subgroup findings for patients with complex comorbidities are uncertain.


Long-Term Research and Durability of Effect

Long-term research scenarios, which monitored patients for periods ranging from 36 weeks to over a year, were conducted in patients who had already shown an initial response. These studies monitored the time until the recurrence of an MDD, GAD, or SAD episode. The long-term effects are not fully established, and there is limited information regarding outcomes and continued safety for all patients beyond the immediate maintenance period.

Frequently Asked Questions (FAQ)

Common questions about Lextor (FAQ)


Q: How long does it typically take for Lextor to start working or for me to notice an effect?

A: Official information indicates that the medicine may take a few weeks to a month or longer to exert its full intended effect. Regulatory documents indicate that initial changes, such as in sleep or energy, may be observed within the first or second week, though the full therapeutic effect often requires a longer period.


Q: Is it normal to feel slightly dizzy or tired when I first start Lextor?

A: Official reports indicate that common side effects, such as fatigue, drowsiness (somnolence), and dizziness, have been observed when starting Lextor. Regulatory information suggests that these effects are typically mild and may decrease as the body adjusts over the first few weeks of therapy.


Q: What is the mechanism of action of Lextor, simplified?

A: Lextor is officially classified as a Selective Serotonin Reuptake Inhibitor, or SSRI. In simple terms, this means it works by increasing the activity and availability of the natural chemical messenger called serotonin within the brain's central nervous system.


Q: How does the way Lextor works compare to the way other similar drugs work?

A: Official documents describe Lextor (escitalopram) as the purified S-enantiomer, which is a single, active component derived from the substance citalopram. The active ingredient is noted to be significantly more potent than the inactive R-enantiomer counterpart in citalopram.


Q: Is Lextor considered a 'high-risk' medication?

A: All medications in the antidepressant drug class carry serious warnings outlined in regulatory documents. This includes a mandatory Boxed Warning regarding the potential for increased suicidal thoughts and behaviors in young adults, adolescents, and children. Other critical documented risks include Serotonin Syndrome and the risk of affecting heart rhythm (QT prolongation).


Q: What is Lextor's official classification (e.g., controlled substance, schedule)?

A: According to federal regulatory bodies, Lextor (escitalopram) is designated as a prescription-only medication. Official records indicate that Lextor is not classified as a federally controlled substance, such as those listed in Schedules I through V.


Q: Can Lextor be crushed or cut, or must it be swallowed whole?

A: The medication is available in tablet forms, and some strengths, such as the 10 mg and 20 mg tablets, are supplied as scored products. While scoring often suggests a tablet can be divided, information regarding the cutting or crushing of the dose is contained within the official product label.


Q: How long can I stay on Lextor safely?

A: Treatment for the approved condition generally includes a maintenance phase that continues for several months following the initial response. The long-term usefulness of the drug is subject to periodic re-evaluation by a healthcare professional to assess the need for continued maintenance treatment.


Q: What does the full list of ingredients in Lextor include, besides the active one?

A: The full chemical description is contained within the official prescribing information from regulatory authorities. This document lists the active ingredient (Escitalopram) along with all inactive ingredients (excipients). Hypersensitivity to the active or inactive ingredients is listed in regulatory documents as a contraindication for the use of the drug.


Q: Will Lextor interact negatively with my daily vitamins or herbal supplements?

A: Official information indicates an increased risk of a serious condition called Serotonin Syndrome when Lextor is combined with other agents that increase serotonin activity, notably the herbal supplement St. John's wort. The potential for complex interactions underscores the importance of disclosing all supplements, including vitamins and herbals, to a healthcare professional.


Q: Can I take common over-the-counter pain relievers while using Lextor?

A: Official warnings state that a notable risk is associated when Lextor is taken with common pain relievers classified as Nonsteroidal Anti-inflammatory Drugs (NSAIDs), which include substances like ibuprofen or aspirin. This combination may elevate the risk of abnormal bleeding, such as hemorrhage in the gastrointestinal system.


Q: Does alcohol interact with Lextor?

A: Regulatory information states that the consumption of alcohol is not advised while an individual is taking Lextor. Although clinical data did not show an increase in alcohol's effect on certain motor skills, combining alcohol and Lextor may worsen common side effects like drowsiness and can impair judgment.


Q: Do the side effects of Lextor usually go away after a few weeks?

A: Studies and official documents show that common side effects, such as nausea and headaches, are generally mild in nature. According to regulatory sources, these effects are expected to go away after a couple of weeks as the individual's body adjusts to the medication.


Q: Will Lextor affect my ability to drive or operate machinery?

A: Official documents caution that Lextor may affect a patient's judgment, thinking, and motor skills, and it is known to cause drowsiness. Official warnings describe the importance of exercising caution when performing activities that require full mental alertness, such as driving a car or operating heavy machinery.


Q: What medical tests or monitoring is required while taking Lextor?

A: Regulatory labels indicate that patients taking Lextor should be monitored for certain serious risks, including hyponatremia (low sodium in the blood), seizures, and changes to the heart's electrical rhythm (QT prolongation). The need for monitoring these conditions and any pre-existing illnesses is typically determined by a healthcare professional.


Q: Does Lextor affect blood sugar or blood pressure readings?

A: Post-marketing surveillance reports from regulatory documents have associated Lextor with changes in blood sugar, described as diabetes mellitus (an endocrine disorder). The medication has also been associated with changes in blood pressure, which is a potential symptom related to Serotonin Syndrome.


Q: Can Lextor be taken with over-the-counter allergy medicines?

A: Caution is advised with many over-the-counter cold and allergy products. Some ingredients, such as the cough suppressant Dextromethorphan, may increase the risk of Serotonin Syndrome. Additionally, certain types of sedating antihistamines may enhance feelings of drowsiness and general impairment.


Q: Does Lextor interact with common cold or flu medications?

A: Official regulatory documents caution against combining Lextor with various cold and flu medications. Specifically, ingredients like Dextromethorphan are noted to increase the risk of Serotonin Syndrome, while sympathomimetic agents (decongestants) may cause adverse cardiovascular effects.


Q: Is it normal for my symptoms to temporarily get worse when I first start taking Lextor?

A: Regulatory information, particularly the Boxed Warning, states that there is a risk of clinical worsening and the emergence of suicidal thoughts and behaviors during the initial few months of therapy, particularly in young adults. This serious risk is noted in official documents as requiring close professional observation.

How should Lextor be stored and disposed of?

How to Store and Dispose of Lextor (Escitalopram)

Lextor must be stored according to official regulatory requirements to maintain its stability and effectiveness.

Storage Constraints

  • Temperature: Store the medication at controlled room temperature, which is 20º to 25º C (68º to 77º F), with excursions permitted up to 30º C (86º F).
  • Protection: The product must be protected from excessive heat, light, and moisture. It is required to be kept tightly closed in the original container. Do not freeze the medication.
  • Child Safety: It is mandatory to keep Lextor out of the sight and reach of children and to securely lock safety caps.

Disposal Instructions

  • Method: Unused or expired Lextor should be discarded via a drug take-back program or authorized collection site.
  • Alternative: If a take-back program is unavailable, mix the medicine with an undesirable substance, place it in a sealed container, and dispose of it in the household trash. Lextor is not recommended for disposal by flushing.

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

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