Citalec

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Medically reviewed

Laura Arias

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 Citalec

Citalec is a prescription-only medicine for oral administration, defined by its composition as a pure, single-isomer compound that acts specifically within the central nervous system.

Quick Facts

Property Description
Active ingredient Escitalopram (typically as the oxalate salt)
Form Film-coated tablet, Oral solution
Pharmacological class Selective Serotonin Reuptake Inhibitor (SSRI)
Common use Modulation of mood and emotional stability
Origin Synthetic, single-isomer compound

What Type of Medicine is Citalec?

Citalec is a synthetic psychopharmacological agent classified as an antidepressant belonging to the Selective Serotonin Reuptake Inhibitor (SSRI) class. This chemical designation signifies that the drug is designed to operate with high specificity within the central nervous system, primarily targeting only the serotonin system. The regulatory standing of Citalec as a prescription-only drug emphasizes the need for professional oversight during its use.

Composition and Purpose: The Role of Escitalopram

The Active ingredient in Citalec is Escitalopram, which constitutes a single-ingredient product (Monotherapy), typically formulated with the oxalate counter-ion. Chemically, Escitalopram is distinguished as the purified S-enantiomer of the racemic compound Citalopram, meaning it contains only the biologically active form of the molecule. This focus on the pure S-enantiomer is a core differentiation factor of Escitalopram formulations. The general therapeutic purpose is to aid in stabilizing mood and supporting emotional balance by ensuring greater availability of serotonin in the neural pathways.

Available Forms and Chemical Origin

As a synthetic compound derived from the bicyclic phthalane structure, Citalec is manufactured for oral consumption in two primary Dosage form(s): film-coated tablets and an oral solution. The availability of both solid and liquid forms provides flexibility, accommodating patients who may experience difficulty swallowing tablets. The consistent absorption of Escitalopram across these presentations establishes the product's therapeutic consistency regardless of the form used.

What side effects are possible with Citalec?

Possible side effects and safety information

The safety profile of Citalec (Escitalopram) is defined by regulatory authorities through classifications based on frequency and affected body systems. Adverse reactions are grouped into categories such as Very Common and Common as noted in official labeling. Examples of common effects reported include nausea, headache, dry mouth, increased sweating (hyperhidrosis), insomnia, fatigue, and decreased libido or ejaculation disorder.

Adverse effects are also categorized by the System-Organ Class (SOC) affected, including the Nervous System, Psychiatric disorders, and Gastrointestinal system. Less frequent but clinically significant adverse reactions documented in regulatory sources include Serotonin Syndrome, seizures, and the risk of QT interval prolongation, which may affect heart rhythm.

Special safety considerations are noted for certain populations. The official labeling contains a serious warning regarding an increased risk of Suicidal Thoughts and Behaviors in children, adolescents, and young adults (up to age 24), particularly during the initial weeks of therapy and with dose changes. Older adults may be at higher risk for hyponatremia (low sodium levels).

Citalec is contraindicated for use concurrently with or within two weeks of discontinuing Monoamine Oxidase Inhibitors (MAOIs) due to the risk of serious reactions. Furthermore, caution is advised when co-administered with medications that affect hemostasis, such as NSAIDs, due to an officially documented increased risk of abnormal bleeding.

Overdose and Emergency Response

Overdose and when to seek help

Official regulatory documents define the scope of Citalec (Escitalopram) overdose based on documented clinical manifestations and the required emergency response. Any suspected overdose requires immediately seeking emergency medical attention.

Feature Official Regulatory Statement
Documented Clinical Manifestations Overdose presentations include dizziness, vomiting, nausea, somnolence, agitation, tremor, hypotension, tachycardia, and potentially convulsions and coma.
Life-Threatening Risk The official labeling warns of the risk of serious cardiotoxicity, including QT prolongation and life-threatening ventricular arrhythmia such as torsade de pointes (TdP), and the potential for Serotonin Syndrome.
Mandated Emergency Action Any suspected overdose requires immediately seeking emergency medical attention and contacting the Poison Help line.

Official Overdose Management Statements:

  • Antidote Status: No specific antidote is known for escitalopram overdose.
  • Supportive Care: Treatment is mandated to be symptomatic and supportive, requiring close monitoring for cardiac abnormalities and changes to vital signs.
  • Co-ingestion Risk: The severity of overdose is frequently heightened in cases involving the co-ingestion of other drugs or alcohol, which is noted in regulatory findings.

The official profile establishes that while initial overdose signs may appear mild, the potential for severe, delayed, or fatal outcomes on the heart and central nervous system mandates that immediate medical evaluation is necessary. Management involves supportive measures and monitoring, while certain methods like forced diuresis are officially listed as unlikely to be beneficial.

Therapeutic Uses of Citalec

What Citalec Treats: Main Uses and Benefits

Citalec (Escitalopram) is commonly used in situations involving certain distressing symptoms and conditions where functional stability becomes affected. It is indicated for the acute and maintenance treatment of Major Depressive Disorder (MDD) and Generalized Anxiety Disorder (GAD), making it relevant in clinical settings marked by heightened patient distress.

Therapeutic Scope

The medicine is considered relevant across conditions characterized by periods of heightened symptoms, including MDD, GAD, Panic Disorder, and Obsessive-Compulsive Disorder (OCD). It is applied when symptoms create noticeable interference with daily stability, offering symptomatic relief that helps patients cope more steadily with symptom fluctuations.

“A main therapeutic area involves supportive management for symptom clusters related to persistent low mood, excessive worry, and intrusive thoughts.”

Symptom Management and Benefit

Citalec is applied in addressing symptom clusters that may become intense or disruptive, including those linked to low mood, sadness, and tension. Used in areas where short-term symptom management is appropriate, it contributes to improved comfort during periods of heightened symptoms. It may assist with easing the overall symptom load from recurrent panic attacks or the burden of intrusive and compulsive behaviors.

Quick Fact: Relief for Key Symptom Domains Description
Primary Focus Conditions involving pervasive sadness and chronic, excessive anxiety.
Secondary Focus Symptom clusters associated with acute panic and ritualistic behaviors.
Patient Benefit Supports the patient during difficult episodes by easing distress and assists with maintaining functional stability.

Regulatory References

  1. FDA's labeling for Escitalopram

Eligibility and Restrictions for Use

Eligibility Scope

Category Official Regulatory Stance
Populations for whom use is allowed Adults for Major Depressive Disorder (MDD) and Generalized Anxiety Disorder (GAD). Adolescents ge 12 years for MDD; pediatric patients ge 7 years for GAD (US FDA label).
Populations for whom use is contraindicated Patients with known hypersensitivity to escitalopram or citalopram. Patients concurrently using Monoamine Oxidase Inhibitors (MAOIs), Pimozide, or certain other QT-prolonging medicines. Patients with known QT-interval prolongation or congenital long QT syndrome.
Age-related eligibility rules Not established in MDD patients less than 12 years or GAD patients less than 7 years (US FDA). Not recommended for those under 18 years of age in most European jurisdictions. Older adults (ge 65 years) require a lower maximum recommended dose.
Condition-specific eligibility rules Lower maximum recommended dose for patients with hepatic impairment. Caution is advised for use in patients with severe renal impairment.
Pregnancy and lactation eligibility status Pregnancy: Use only if the potential benefit justifies the potential risk to the fetus. Lactation: Caution should be exercised or Not recommended due to excretion into human milk.

Eligibility Classifications

Category Regulatory Stance
Eligibility severity classification Contraindicated (Absolute Prohibition); Not Recommended (Prohibition/Strong Caution); Caution (Conditional Use); Not Established (Insufficient data).
Eligibility-context constraints Eligibility is restricted by concurrent medication use (e.g., MAOIs), genetic/physiological factors (e.g., congenital QT prolongation), developmental stage (pediatric age thresholds), and organ function status (hepatic/severe renal impairment).

Resulting Eligibility Structure

Official regulatory documents define who can and cannot use Citalec by establishing absolute contraindications based on concurrent drug use (e.g., MAOIs) and pre-existing cardiac conditions. Eligibility is further structured by age-specific thresholds for approval and by mandatory conditional use requirements for patients with conditions such as severe renal impairment or hepatic impairment, who require a restricted dosage.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define specific restrictions and requirements for the co-administration of Citalec (Escitalopram) with other substances.

Contraindicated Combinations

Co-administration is strictly prohibited with Monoamine Oxidase Inhibitors (MAOIs), including Linezolid and intravenous Methylene Blue, due to the documented risk of Serotonin Syndrome. A mandatory 14-day separation period is required when switching between Citalec and an MAOI. Additionally, concomitant use with Pimozide and other medicinal products known to cause QT-interval prolongation is contraindicated.

Pharmacodynamic and Metabolic Interactions

Interaction Type Substance Categories Official Outcome Description
**Pharmacodynamic** Other Serotonergic Agents (e.g., Triptans, St. John's Wort) Increased risk of **Serotonin Syndrome** (additive effects).
**Pharmacodynamic** Drugs that Interfere with Hemostasis (e.g., NSAIDs, Warfarin) Increased risk of **abnormal bleeding**.
**Pharmacokinetic** CYP2C19/CYP3A4 Inhibitors (e.g., Omeprazole, Cimetidine) May officially **increase the plasma concentration** of Escitalopram.
**Pharmacokinetic** CYP2D6 Substrates (e.g., Metoprolol) Citalec's inhibition of CYP2D6 may **increase the substrate's plasma concentration**.

Other Documented Interactions

Regulatory information states that Citalec's absorption is not affected by food intake. Although Citalec did not potentiate alcohol's effects in clinical trials, the combination is generally discouraged due to the potential for additive Central Nervous System effects. The significance of drug interactions may be heightened in patients with Hepatic Impairment due to reduced drug clearance.

Mechanism of Action

The core molecular action of Escitalopram is the selective inhibition of the Serotonin Transporter (SERT) (SLC6A4) protein. Escitalopram binds to both the primary active site and an allosteric site on the transporter, which blocks the reabsorption of serotonin (5-HT) into the presynaptic neuron. This interaction acutely increases the availability of serotonin within the synaptic cleft.

The full functional mechanism depends on neuroadaptation, a time-dependent process following the initial SERT blockade. Sustained high synaptic 5-HT activity leads to the gradual desensitization and downregulation of presynaptic mathbf5-HT1A and mathbf5-HT1B autoreceptors. This process removes the inhibitory negative feedback mechanism, which is necessary to enable the sustained increase and functional stabilization of serotonergic neurotransmission throughout the relevant neural circuits in the limbic and cortical systems.

This resulting stable increase in 5-HT signaling constitutes the final step in the mechanistic cascade. This outcome results in the modulation of neural circuits involved in emotional processing and circuits governing the physiological stress axis, causing the modulation of the observed physiological responses within the central nervous system.

Dosage and Administration Information

Administration and Dosage Principles

Citalec (Escitalopram) is administered exclusively via the oral route, typically taken as a single dose once daily, either in the morning or evening. The medicine can be taken with or without food, as absorption is not dependent on meal timing.

Standard Labeled Dosing

For adults, the initial dose is generally set at 10 mg once daily. The dosage may be increased to a maximum daily dose of 20 mg after at least one week, based on the specific clinical context. However, maintenance treatment often remains at the 10 mg dose.

Patient Population Recommended Maximum Daily Dose
Older Adults (ge 65 years) 10 mg
Hepatic Impairment 10 mg
Adolescents (ge 12 years) 20 mg (increase after ge 3 weeks)

Procedural Use and Discontinuation

If using the oral solution, it must be accurately measured with a designated device. Scored tablets in 10 mg and 20 mg strengths may be divided. Should a dose be missed, the general procedure is to skip the missed dose and resume the normal once-daily schedule, rather than taking a double dose. Treatment duration often extends for several months following the initial phase, and discontinuation must be gradual; the dose is typically reduced through a systematic tapering over a period of time, as stopping abruptly is strongly discouraged.

Recent Clinical Evidence

Research evidence / Overview of Studies for Citalec

Citalec (Escitalopram) was evaluated in formal clinical trials, including numerous Randomized Controlled Trials (RCTs). These studies examine patient-reported experiences. These studies compared groups receiving the research medicine against groups receiving an inactive substance (placebo). This research aims to provide context on how symptoms are measured in various patient groups and what patterns were observed during the defined study periods.


Evidence for use in Major Depressive Disorder (MDD)

Research for Major Depressive Disorder primarily relies on multiple short-term, placebo-controlled Randomized Controlled Trials (RCTs) in the adult population. These studies were used in research exploring how symptoms change over time, typically tracking outcomes over observation periods of 8 to 12 weeks. Researchers monitored measurements of symptom intensity, usually by using standardized scales designed to evaluate outcomes related to daily functioning or activity level.

Beyond the initial treatment phase, research examined the durability of observations through maintenance trials. These long-term studies were used in observational settings evaluating daily-life functioning. Researchers monitored the time elapsed and symptom status during follow-up, often over a period of 6 months to one year. Findings describe patterns observed in the studies related to the evolution of symptoms over these defined time intervals. However, data for certain groups, such as comparisons against some other treatments, remains limited.

Evidence for use in Generalized Anxiety Disorder (GAD)

The evidence base for Generalized Anxiety Disorder, which involves fluctuating or episodic manifestations of worry and tension, primarily comes from placebo-controlled RCTs conducted during periods of increased symptom activity. These studies explored short-term symptom changes. Researchers tracked patient-reported outcomes describing perceived discomfort and changes in anxiety symptoms over intervals of 8 to 12 weeks.

In addition to acute-phase trials, research for GAD includes studies focused on recurrence prevention. These trials monitored participants for longer periods, up to one year or more, focusing on outcomes related to the sustained status of symptoms. These studies report how symptoms evolved in the observed populations during the continuation phase. Nevertheless, some studies focusing on specific older adult populations was associated with less definitive findings compared to placebo groups in the shortest observation periods, and long-term observations are not fully established across all subgroups.


What is Still Uncertain About Citalec's Research Base

A transparent review of the evidence highlights several areas where the research remains incomplete or requires further study. The evidence quality varies across studies, particularly in non-core indications or certain subgroups. For instance, comparative evidence is lacking against some other existing treatments.

Furthermore, while maintenance trials provide insight into recurrence patterns, the research exploring functional outcomes and functional stability over periods much longer than one year is limited. Findings describe group patterns, not personal outcomes, and the data indicate that certainty remains low for predicting individual responses, particularly when patients have complex or comorbid conditions. The evidence highlights what is known — and what is still uncertain — and emphasizes that study results reflect the specific conditions under which they were conducted.

Key Studies & References

  1. Escitalopram in the treatment of major depressive disorder: a meta-analysis (2009)

Frequently Asked Questions (FAQ)

Common questions about Citalec (FAQ)

Q: What is Citalec most commonly prescribed for?

A: Official documents state that Citalec is approved for treating Major Depressive Disorder (MDD) and Generalized Anxiety Disorder (GAD). These are the two primary conditions where the medicine's use is officially documented and supported by clinical trials.

Q: Is Citalec the same type of drug as Lexapro?

A: Citalec's active component is Escitalopram, which is classified as a Selective Serotonin Reuptake Inhibitor (SSRI). Official regulatory information confirms that Escitalopram is the same active ingredient found in other brand-name products, such as Lexapro.

Q: Does Citalec cause weight gain?

A: Official prescribing information lists changes in weight as documented adverse reactions reported in clinical trials. It is noted that patients experienced cases of both weight increase and weight decrease while using this medicine.

Q: Can Citalec be taken with over-the-counter pain relievers?

A: Regulatory guidance advises caution when Citalec is co-administered with certain pain relievers, specifically those known as NSAIDs (Non-Steroidal Anti-Inflammatory Drugs). This combination is documented to carry an increased risk of abnormal bleeding.

Q: Is it common to feel worse when first starting Citalec?

A: Official warnings state that symptoms and behaviors may worsen in some younger patients, particularly during the initial weeks of treatment or when the dose is adjusted. Close observation is specified by regulatory guidance during this early phase.

Q: Does Citalec change how I sleep?

A: Official regulatory documents list effects on sleep as documented adverse reactions. These commonly reported effects include both insomnia (difficulty sleeping) and somnolence (drowsiness).

Q: How long do people typically stay on Citalec?

A: The clinical research supporting the medicine's effectiveness includes maintenance studies that tracked patients for periods of six months to one year after the initial phase. Official guidance also emphasizes that discontinuation should be conducted by a gradual tapering process, as abruptly stopping is discouraged.

Q: How does Citalec compare to Celexa?

A: Regulatory reviews confirm that Escitalopram is the S-enantiomer, which is the single, active molecular component of the racemic drug Citalopram. Citalopram is the active ingredient found in Celexa.

Q: Can I use Citalec if I have a history of seizures?

A: Official prescribing information specifies that Citalec is to be used under special consideration in patients who have a history of seizures or epilepsy. Seizures are also listed as a less frequent but serious adverse reaction documented with the medicine.

Q: Does Citalec cause dizziness or lightheadedness?

A: Yes, official regulatory documents list dizziness as a documented adverse reaction reported in patients.

Q: Does Citalec interact with prescription medications for migraines?

A: Official regulatory documents state that co-administration with other serotonergic agents, such as Triptans (a class of migraine medicine), increases the documented risk of Serotonin Syndrome. This is a serious condition caused by excessive serotonin levels.

Q: How frequently are side effects reported with Citalec?

A: The regulatory body officially categorizes adverse reactions based on their frequency of occurrence, using labels such as Very Common and Common. This provides a framework to understand how often side effects were reported in clinical trials.

Q: How long does it usually take to feel the effect of Citalec?

A: Clinical trials supporting the medicine’s efficacy typically tracked changes in symptoms over an observation period of 8 to 12 weeks. This timeframe represents the typical observation period used in formal efficacy studies.

Q: Can Citalec affect my ability to drive or operate machinery?

A: Official regulatory documents warn that the medicine may impair the ability to perform tasks requiring mental alertness. This includes driving or operating heavy machinery.

Q: Is there a generic version of Citalec available?

A: The active ingredient in Citalec is Escitalopram. Regulatory databases for licensed medicines list Escitalopram as being available under generic product names in addition to the original brand name.

Q: Does Citalec have a potential for misuse?

A: Official prescribing information indicates that this medicine is not classified as a controlled substance. Regulatory documents also do not suggest that it possesses a high potential for misuse.

Q: Can Citalec affect my blood sugar levels?

A: Regulatory documents list certain rare reports of changes in blood sugar levels, including cases of hypoglycemia (low blood sugar), in patients taking the medicine. For this reason, special consideration applies to patients who have diabetes.

Q: Is Citalec described as a non-addictive medication?

A: Official regulatory guidance focuses on the potential for discontinuation symptoms if the medicine is stopped suddenly. For this reason, a gradual tapering process is required to help minimize the potential for discontinuation symptoms.

Q: What should I do if Citalec seems ineffective after a few weeks?

A: Clinical trials supporting the medicine’s efficacy typically tracked changes in symptoms over an observation period of 8 to 12 weeks before treatment efficacy is formally evaluated. This timeframe represents the typical observation period used in clinical trials to assess the initial response.

Q: What kind of monitoring is typically needed when starting Citalec?

A: Official documents specify monitoring for patients at risk of QT-interval prolongation, which relates to heart rhythm. Regulatory guidance also specifies close clinical observation during the initial weeks of treatment.

Q: Why are people often prescribed a low starting dose of Citalec?

A: The initial low dose is established in regulatory documents as a standard starting point for treatment. The dosage may later be adjusted based on clinical need, often as part of a structured titration plan.

How should Citalec be stored and disposed of?

How to Store and Dispose of Citalec?

This section outlines the official, regulatory requirements for storing and disposing of Citalec (Escitalopram) as mandated by government authorities.

Official Storage Requirements

Citalec must be stored at controlled room temperature, typically 25 C (77 F), with permitted excursions to 15 C–30 C (59 F–86 F). The medicine must be kept in its original container or packaging, and for the oral solution, the bottle must be kept tightly closed. Some formulations require protection from light to maintain stability.

Mandatory Safety Rule: Citalec must always be stored out of the sight and reach of children.

Disposal Instructions

Do not use Citalec past the expiration date (EXP) printed on the carton. When disposing of unused or expired medicine, it must not be thrown away via wastewater or household waste. Patients should consult a pharmacist for instructions on following local requirements for proper pharmaceutical disposal.

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

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