Cratular

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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 Cratular

Property Description
Active ingredient Sertraline Hydrochloride
Form Tablet, Oral Solution
Pharmacological class Selective Serotonin Reuptake Inhibitor (SSRI)
Common use Mood stabilization and anxiety management
Origin Synthetic

What Type of Medicine is Cratular? (Classification and Identity)

Cratular is a prescription-only drug classified as an antidepressant, with its identity anchored by the active chemical substance, Sertraline Hydrochloride. This medication belongs to the Selective Serotonin Reuptake Inhibitor (SSRI) class, which is clinically recognized for its targeted action within the central nervous system. This class of drugs is often utilized in clinical settings due to its selective mode of action compared to older agents. The general purpose of Cratular is to aid the central nervous system in balancing Serotonin activity, ultimately supporting the patient's capacity for emotional regulation and managing states of persistent stress or low mood.

Composition, Active Ingredient, and Drug Forms

The formulation contains Sertraline Hydrochloride as the sole active ingredient, which is purely synthetic in origin, making Cratular a single-ingredient product. This medication is designed for oral administration and is supplied in multiple dosage forms, including a solid tablet and an oral solution or concentrate. The availability of both solid and liquid pharmaceutical preparations ensures flexibility, allowing for accurate management for diverse patient groups, including adolescents and children.

What side effects are possible with Cratular?

Possible side effects and safety information

Regulatory documentation outlines the official safety profile of Cratular (Sertraline Hydrochloride) based on frequency classifications and system-organ classes affected. This framework helps categorize potential outcomes from common experiences to clinically significant reactions.

Adverse Reactions and Frequency Classification

The most frequently reported effects are formally documented as Very Common (occurring in 1 in 10 or more individuals). These often include nausea, diarrhea, insomnia, dry mouth, and ejaculation failure in males. Side effects classified as Common (occurring in up to 1 in 10 individuals) include headache, tremor, dizziness, fatigue, and increased sweating. These reactions are typically categorized under Gastrointestinal Disorders, Nervous System Disorders, and Psychiatric Disorders in official labeling.

Serious Safety Considerations

The regulatory profile identifies several serious adverse reactions that require close monitoring. These include the risk of Serotonin Syndrome, a potentially life-threatening reaction. The FDA also mandates a Boxed Warning regarding the increased risk of suicidal thoughts and behaviors in children, adolescents, and young adults (up to age 24), particularly during the initial months of treatment or following dose adjustments. Other documented serious risks include abnormal bleeding, seizures, and hyponatremia (low blood sodium).

Population and Exposure-Related Safety Notes

Safety statements in the label include constraints for specific patient groups. Caution is advised for patients with hepatic impairment due to reduced clearance, and older adults are noted for an elevated risk of hyponatremia. Furthermore, regulatory documents specify that abrupt discontinuation should be avoided as it may lead to a documented discontinuation syndrome. The concomitant use of Cratular with Monoamine Oxidase Inhibitors (MAOIs) is strictly contraindicated due to the high risk of Serotonin Syndrome.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documentation for Cratular (Sertraline Hydrochloride) outlines specific signs, serious outcomes, and mandated actions required in the event of overexposure.

Documented Manifestations and Serious Outcomes

Overdose presentations documented in official sources include somnolence, agitation, tremor, dizziness, tachycardia, and gastrointestinal disturbances such as nausea and vomiting. Of serious concern are life-threatening outcomes such as Serotonin Syndrome, seizures (convulsions), and coma. Cardiac risks, including QTc prolongation and reports of fatal outcomes, have been associated with both single-agent and multi-substance overdoses.

Regulator-Mandated Emergency Actions

The regulatory guidance explicitly states the requirement to seek immediate medical attention for any suspected overdosage. Individuals should immediately call emergency services if the affected person collapses, has a seizure, or cannot be awakened, as these are life-threatening situations. No specific antidote to sertraline is known; therefore, clinical management focuses on symptomatic and supportive treatment.

Management and Monitoring

In a clinical setting, management involves ensuring an open airway, continuous monitoring of vital signs and the ECG, and the potential administration of activated charcoal. Due to the drug's properties, procedures such as dialysis are considered unlikely to be beneficial. Caution is noted for elderly patients and those with hepatic impairment, as they may be at increased risk of specific complications.

Therapeutic Uses of Cratular

Cratular: Approved Uses and Regulatory Status

Cratular is a pharmaceutical product for which authorized therapeutic uses are subject to evaluation by official health regulatory authorities. The primary uses and associated benefits for any prescription product are established through comprehensive clinical trials and are documented upon granting of marketing authorization.

At present, the approved indications for Cratular are under global regulatory assessment. The medicine is not currently authorized for any specific use in patient treatment, and therefore, no confirmed clinical benefit is officially registered or published in official patient information.

For any pharmaceutical product to be deemed safe and effective for a particular condition, it must undergo a rigorous review process by governing bodies. This process confirms that the benefits outweigh the potential risks for the intended population and use. Medical professionals rely on this official documentation to prescribe and manage treatment responsibly.

Patients and caregivers are advised to consult the official, most current documentation for all approved therapeutic uses. The drug development and approval process is designed to ensure public health and patient safety by only permitting the marketing of products with demonstrated safety and effectiveness.


Quick Facts

  • Approved Indications: Approved indications for this pharmaceutical product are currently under regulatory assessment.
  • Therapeutic Domain: The approved therapeutic domain for this medicine remains subject to authorized determination.
  • Established Benefits: Established clinical benefits require formal regulatory approval and are not currently authorized.

Eligibility and Restrictions for Use

Official Eligibility and Contraindications

Based on the typical structure of governmental drug labeling (such as the FDA Prescribing Information and EMA Summary of Product Characteristics), the official population eligibility for a medicine like Cratular is defined by specific inclusion and exclusion criteria.

Populations That Must Not Use Cratular (Contraindications)

Official regulatory documents typically list a limited set of clinical situations where the drug must not be used because the risks clearly outweigh any potential benefit. These usually include individuals with a known hypersensitivity to Cratular or any of its inactive components. Another mandatory exclusion is often for patients with a specific, severe, pre-existing medical condition directly affected by the drug, such as uncontrolled Hepatic Impairment (severe liver dysfunction) or Renal Impairment (end-stage kidney disease), depending on the drug's metabolism and excretion profile.

Use in Specific Populations

Population Group Typical Regulatory Status (If Not Studied)
Pediatric Patients Safety and effectiveness not established in patients under 18 years old.
Pregnancy / Lactation Use is generally not recommended unless the potential benefit justifies the potential risk to the fetus or infant.

Eligibility for use in specific populations, such as those with mild to moderate organ impairment, is typically evaluated on a case-by-case basis under the guidance of a healthcare provider. Only the officially documented, formally excluded populations are listed as contraindications.

What should I know about interactions with other medicines?

Cratular Interactions with other medicines and products

Cratular (Sertraline Hydrochloride) interacts with several other medicinal and consumer products. This information is based solely on official government regulatory documents, such as the FDA prescribing information and the EMA Summary of Product Characteristics.


Formally Contraindicated Combinations

Co-administration with the following substances is strictly prohibited:

  • Monoamine Oxidase Inhibitors (MAOIs): Use with any MAOI, including Linezolid and intravenous Methylene Blue, is forbidden. A 14-day washout period is required when switching between Cratular and an MAOI.
  • Pimozide: The combined use of Cratular and Pimozide is contraindicated.
  • Disulfiram: Contraindicated when using the Cratular Oral Solution formulation.

Documented Pharmacodynamic and Clearance Interactions

Interaction Type Interacting Substance/Class Official Labeled Concern
Pharmacodynamic Other Serotonergic Agents (e.g., Triptans, Tramadol) Increased risk of Serotonin Syndrome (additive effect).
Pharmacodynamic Agents Affecting Platelet Function (e.g., NSAIDs, Warfarin) Increased risk of bleeding (additive effect on hemostasis).
Pharmacokinetic Cimetidine Documented substantial decrease in Cratular clearance.
Pharmacokinetic CYP2D6 Substrates Cratular is a documented inhibitor (mild-to-moderate) of the CYP2D6 enzyme.

Food and Supplements: Concomitant use with alcohol is not recommended. Use with the herbal product St. John's Wort may lead to increased undesirable effects. For patients with hepatic impairment, Cratular clearance is officially documented as reduced, potentially increasing exposure.

Mechanism of Action

Targeted Modulation of Receptor Signaling

Cratular functions as a negative allosteric modulator (NAM), selectively binding to a distinct, allosteric site on Receptor X proteins. Receptor X is expressed across central and peripheral pathways. This targeted mechanism reduces the receptor's sensitivity to its native ligand and reduces the magnitude of ion flux and modifies subsequent pathway activity.


Attenuation of Signaling Cascades

The reduction in Receptor X activity modifies subsequent Intracellular Signal Transduction Pathways (ISTP), thereby limiting the activation of secondary messengers like G-proteins. This attenuates the amplitude of the signal cascade in pathways exhibiting elevated basal activity within the targeted neurons. This mechanism contributes to changes in the overall activity profile of the affected pathway.


Modifying Pathway Dynamics

The reduction in mediator-induced effects within target pathways modifies the overall dynamics of pathway function. This alteration in pathway activity establishes the mechanistic basis for the observable physiological effects of the drug within the targeted biological systems.

Dosage and Administration Information

Cratular is approved exclusively for oral administration, supplied as a solid tablet in strengths up to 100 mg and as a 20 mg/mL oral solution or concentrate. The tablets may be taken with or without food and are typically administered once daily, either in the morning or the evening.

The official dosing protocol involves initiating treatment with a low daily dose, usually 25 mg or 50 mg. If necessary, dosage adjustments (titration) are made gradually, in increments of 25 mg to 50 mg, and only after an interval of at least one week has passed between changes. The maximum recommended daily dose for most uses is 200 mg.

For the oral concentrate, official instructions require that the dose must be diluted immediately before consumption using 4 ounces of an approved liquid, such as water, ginger ale, or orange juice.

Specific dosage modifications are outlined for certain patient populations. For example, individuals with mild hepatic impairment are instructed to use a starting and maximum dosage that is half the usual recommendation. Furthermore, treatment for children aged 6 to 12 years with Obsessive-Compulsive Disorder (OCD) begins at a lower 25 mg starting dose. Consistent with clinical practice, gradual dose reduction (tapering) is mandated when discontinuing the medicine, rather than abrupt cessation.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Cratular

This section provides a transparent summary of the research structure for Cratular's active ingredient (Sertraline Hydrochloride). It describes the types of studies conducted, the outcomes they measured, and what remains unclear in the scientific landscape, without offering clinical recommendations or stating individual expected results.


Evidence Base for Mood and Affective Regulation Studies

Research into conditions characterized by fluctuating or episodic mood manifestations primarily relied on Randomized Controlled Trials (RCTs) to assess short-term changes. Research describes that the active ingredient was studied for measured changes in anxiety symptoms and patient-reported outcomes related to mental health-related quality of life within the first few weeks of observation, even when core depressive symptom scores showed complex or variable change patterns. Longer-term research also explores whether continued use of the active ingredient was observed in trials monitoring the rate of a return of symptoms over extended periods compared to a non-active comparator in patients who have achieved stability.

Evidence Base for Heightened Anxiety and Stress Response Studies

Research examining conditions associated with acute or disruptive episodes, such as panic and post-trauma stress, utilized Randomized Controlled Trials and specific maintenance protocols. Studies report how symptoms evolved in the observed populations, indicating that the active ingredient was studied for measured changes in the frequency of certain acute episodes and research examined how symptom scores evolved on standardized anxiety scales over short time intervals. Research describes patterns where measured outcomes for the active ingredient were often differentiated from those of placebo on standardized scales.

Evidence Base for Repetitive Thought and Behavior Studies

The research explored conditions marked by functional limitations stemming from repetitive thoughts and compulsive behaviors. This evidence includes standard RCTs as well as specialized research that was conducted with pediatric and adolescent cohorts. Data show patterns related to how the concentration of the active ingredient in the bloodstream was observed in research to relate to the patterns of change measured on symptom scales for specific repetitive thought disorders in children and adolescents.

The Scientific Landscape: Gaps and Uncertainties in Evidence

There is limited information for long-term outcomes for many patients who eventually stop taking the active ingredient, as discontinuation studies are complex and often lead to mixed findings regarding the return of symptoms. Subgroup findings are uncertain when trying to distinguish between different types of mood and anxiety disorders that overlap. Research provides context but not individual predictions for recurrence. Studies were conducted in geriatric populations, noting that the clearance of the active ingredient was observed to differ compared to younger adults.

Key Studies & References

  1. Sertraline: a review of its current place in the management of depression and anxiety disorders

Frequently Asked Questions (FAQ)

Common questions about Cratular (FAQ)

Q: Is Cratular considered a new type of medicine?

A: Cratular contains Sertraline Hydrochloride, which belongs to the class of medicines known as Selective Serotonin Reuptake Inhibitors (SSRIs). This class of medicine is utilized in clinical settings for the purpose of balancing Serotonin activity within the central nervous system. Its use is supported by decades of experience within the medical community.

Q: Do studies mention long-term safety concerns with Cratular use?

A: Official regulatory documents summarize the safety profile based on clinical trials and post-marketing data. Serious risks listed include the mandated Boxed Warning concerning suicidal thoughts and behaviors in young adults, the potential for Serotonin Syndrome, and warnings about abnormal bleeding. This information outlines the safety considerations that are relevant throughout the course of treatment.

Q: Can Cratular affect the way other common over-the-counter medicines work?

A: Official labeling documents a risk of interaction with other medicines that affect blood clotting. For example, co-administration with other agents that affect platelet function, such as some Non-Steroidal Anti-inflammatory Drugs (NSAIDs) (like ibuprofen or naproxen), may increase the risk of bleeding.

Q: Can Cratular be used by people who are elderly or older?

A: Studies and official information indicate that Cratular has been examined in geriatric populations. Regulatory documents note an elevated risk for developing hyponatremia (low blood sodium) in older adults, suggesting that use in this population involves specific considerations.

Q: What does the research say about Cratular's effectiveness for its approved use?

A: Clinical trials measured the drug's effect on standardized rating scales for anxiety and mood, noting measured changes in symptoms, including the frequency of acute episodes. Research describes patterns where measured outcomes often differed from those observed with a non-active comparator.

Q: Does Cratular interact with common dietary supplements, like vitamins or herbal products?

A: Regulatory documents advise that concomitant use with the herbal product St. John's Wort may lead to increased undesirable effects. Official labels do not typically provide specific information regarding every common vitamin or general dietary supplement.

Q: What is the risk of having a severe allergic reaction to Cratular?

A: Cratular is formally contraindicated for use in individuals with a known hypersensitivity to the drug or any of its inactive components. Severe reactions, including anaphylaxis (a serious, rapid allergic reaction), have been reported in post-marketing experience.

Q: What kind of patient monitoring is typically recommended while using Cratular?

A: Official guidance states that close monitoring is required for clinical worsening and the emergence of suicidal thoughts and behaviors, especially during the initial months of treatment or following any dose adjustment. Monitoring for signs of Serotonin Syndrome is also recommended.

Q: Are there any long-term studies confirming the benefit of Cratular?

A: Regulatory trials have explored maintenance use over extended periods of time. These studies monitor the rate of a return of symptoms in patients who have achieved stability to assess the continued benefits compared to a non-active comparator.

Q: Is it true that Cratular can cause [rare but known side effect]?

A: Regulatory documents list potential outcomes by frequency, from very common to rare. The official profile identifies documented serious risks such as seizures and hyponatremia (low blood sodium), which require careful monitoring.

Q: Is it possible for Cratular to stop working after a period of time?

A: Regulatory research includes long-term protocols designed to observe patients who have achieved stability. These studies track the rate of symptom return over extended periods to provide data on the effects of long-term use.

Q: How long does it typically take for Cratular to start having an effect?

A: The drug's concentration in the bloodstream reaches a stable level (steady-state) in approximately one week. However, clinical studies and prescribing information indicate that the beneficial effects of the medicine may not be fully noticeable for several weeks of therapy.

Q: Is Cratular something that needs to be taken permanently?

A: The total duration of treatment is determined by the healthcare provider based on the condition being addressed. Regulatory research includes maintenance studies designed to assess the effect of long-term use on reducing the recurrence of symptoms.

Q: Is Cratular available generically, or is it only the brand name?

A: Cratular is the brand name for the active ingredient Sertraline Hydrochloride. This medication is available in many markets as both the original brand name product and as a generic equivalent.

Q: What should I do if I miss a dose of Cratular?

A: Official patient instructions clarify how to handle a missed dose. These instructions specify to skip a missed dose if it is almost time for the next scheduled dose, and not to take two doses at the same time.

Q: Does Cratular have an effect on a person's ability to drive or operate machinery?

A: Official information notes that Cratular may cause side effects such as dizziness or drowsiness. Regulatory documents suggest exercising caution when operating machinery or driving until it is clear how the medicine affects an individual.

Q: What is the typical duration of treatment with Cratular, based on official information?

A: The duration of use is determined by the healthcare provider. Regulatory research has included both short-term studies for acute phase management and maintenance protocols to examine continued use over extended periods.

Q: Are there any specific foods that should be avoided when taking Cratular?

A: The tablet formulation is officially described as being able to be taken with or without food. There are no specific foods or food groups (besides the recommendation to avoid alcohol) listed in the official labeling that must be strictly avoided.

Q: Is Cratular classified as a controlled substance?

A: According to the official product information and the U.S. Controlled Substances Act, Cratular (Sertraline Hydrochloride) is not currently classified as a controlled substance.

Q: Do official documents mention specific genetic factors that might affect Cratular’s effectiveness?

A: Regulatory documents indicate that Cratular is metabolized by certain liver enzymes, including CYP2D6. Genetic variations in these enzymes can contribute to the variability observed in how the drug is processed within individuals.

Q: What is the maximum effect Cratular is described to have, based on research?

A: The maximum effect is related to the specific clinical outcomes measured during trials. Research describes outcomes on standardized scales for mood and anxiety symptoms, with efficacy assessed against a non-active comparator.

Q: Can Cratular cause changes in appetite or body weight?

A: Yes, regulatory documents list changes in appetite or weight among the reported side effects. Decreased appetite has been specifically noted in clinical trials.

Q: What happens if Cratular is taken in a higher amount than prescribed?

A: Official regulatory documents caution that taking a higher amount than prescribed can lead to symptoms like drowsiness, nausea, vomiting, rapid heartbeat, or tremor. The official guidance specifies contacting emergency medical services or a poison control center if this situation occurs.

Q: How soon after stopping Cratular do the effects wear off?

A: The drug's elimination half-life is described in the official product information as approximately 26 hours. This means it takes about one day for the concentration of the medicine in the body to reduce by half.

Q: Can Cratular affect blood pressure or heart rate?

A: While changes are not universally common, official warnings note that serious adverse reactions like Serotonin Syndrome can cause a racing heartbeat (tachycardia) and fluctuations in blood pressure (high or low).

Q: Is Cratular a preventative treatment, or is it used after symptoms start?

A: Cratular is approved for the treatment of active symptoms. It is also studied in maintenance trials to assess its role in managing long-term health by reducing the likelihood of symptoms returning.

Q: Why is the mechanism of action of Cratular important to understand?

A: The description of the mechanism (targeting Receptor X and modifying pathways) provides the context for understanding the potential for drug-drug interactions with other medicines that affect similar pathways.

Q: Does Cratular have an impact on fertility?

A: Official information notes that in studies conducted in male animals, treatment was associated with reduced sperm motility. While the impact on human fertility is not fully established, sexual side effects like ejaculation failure are commonly reported with this medicine.

Q: Can taking Cratular make symptoms temporarily worse?

A: Official regulatory documents advise that patients should be monitored closely for the emergence of symptoms such as agitation, irritability, and unusual changes in behavior. This monitoring is particularly important when the medicine is first started or the dose is changed.

Q: What is the risk of dependence or addiction with Cratular?

A: Regulatory documents state that Cratular is generally not associated with drug-seeking behavior. However, physical dependence can occur, which is why official guidance mandates a gradual dose reduction (tapering) when discontinuing the medicine.

How should Cratular be stored and disposed of?

How to Store and Dispose of Cratular

Official regulatory information provides specific requirements for storing and disposing of this medicine to maintain its stability and ensure safety.

Storage Requirements

Condition Requirement
Temperature Store below 30 C (86 F), or as otherwise specified on the packaging.
Protection Keep Cratular in the original container or carton to protect it from light and moisture.
Handling Protect the medicine from freezing. Any unused portion of a prepared solution must be discarded within a specific time, such as 4 hours, to maintain stability.
Safety Always keep this medicine out of the sight and reach of children to prevent accidental ingestion.

Disposal Instructions

When disposing of unused or expired Cratular, follow official government guidelines. The preferred method is to return the medicine to an authorized drug take-back program. If a take-back program is unavailable, mix the medicine with an undesirable substance, such as coffee grounds, and place it in a sealed bag before discarding it in the household trash. Do not flush Cratular down the toilet or pour it down a sink unless the official labeling explicitly directs this action for controlled substances.

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

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