Escontral

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Escontral

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 Escontral

Quick Facts

Property Description
Active ingredient Desloratadine
Form Film-coated tablets, oral solution, orally disintegrating tablet
Pharmacological class Second-Generation Antihistamine
Common use Symptomatic relief of allergic conditions
Origin Synthetic (active metabolite of Loratadine)

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

Escontral is a medicinal preparation whose core identity is defined by its active ingredient, Desloratadine, a compound classified as an antihistamine for systemic use. Desloratadine functions as a selective peripheral H1-receptor antagonist and a second-generation antihistamine. This classification indicates that the drug specifically blocks the activity of histamine—a substance the body releases during an allergic reaction—primarily in the tissues outside of the central nervous system. As a synthetic compound, desloratadine is the major active metabolite of the older antihistamine, loratadine. The fact that Desloratadine is an active metabolite is clinically recognized for contributing to its rapid onset of action compared to its parent compound.


Composition, Forms, and General Purpose (Physical and Therapeutic Identity)

Escontral is formulated as a single-ingredient product intended for oral administration, distinguishing itself by offering flexible dosage forms, including film-coated tablets, an oral solution, and the specialized orally disintegrating tablet. The primary active ingredient is Desloratadine, which is combined with standard pharmaceutical excipients to create the final product.

The general therapeutic purpose of Escontral is to provide symptomatic relief for the manifestations of allergic conditions, such as persistent nasal congestion associated with allergic rhinitis or the uncomfortable itching and welts of chronic idiopathic urticaria. Desloratadine is used for the management of these conditions, treating persistent itching and allergy-related inflammation. This medicine is designed to manage the discomfort of common allergies with once-daily dosing.

What side effects are possible with Escontral?

Possible side effects and safety information

The safety profile of Escontral (Desloratadine) is officially defined by regulatory documents, listing adverse reactions according to their frequency and the system-organ class affected.

Frequency-Classified Adverse Reactions

The most common adverse reactions reported in clinical trials, occurring in ge 1/100 to < 1/10 of patients, are Headache, Dry mouth, and Fatigue. These common effects were generally reported at the beginning of treatment.

Reactions classified as Very Rare (occurring in < 1/10,000 of patients) or noted in post-marketing surveillance (Not Known) include effects on the central nervous system, such as seizures, insomnia, and dizziness, as well as gastrointestinal effects (e.g., nausea, diarrhoea).

Serious and Systemic Reactions

Post-marketing reports document rare but clinically significant reactions. These involve the immune system, including severe hypersensitivity events such as anaphylaxis and angioedema. Effects on the cardiac system (e.g., QT prolongation, arrhythmia) and hepatobiliary disorders (e.g., Hepatitis, Jaundice) have also been reported in the very rare and not known categories.

Population-Specific Safety Considerations

Official labeling advises caution and may recommend a lower starting dose for individuals with severe renal impairment or hepatic impairment, due to the potential for increased drug exposure. Specific safety findings are also noted for pediatric patients under 1 year of age. Caution is also advised when administering the medicine to patients with a history of seizures or risk factors for seizures.

Overdose and Emergency Response

Overdose and when to seek help

The officially documented overdose profile for Escontral (Desloratadine) indicates that clinical manifestations are generally similar to the adverse event profile seen at therapeutic doses, although the magnitude of the effects can be increased.

Documented Manifestations and Emergency Action

Clinical manifestations reported in association with overdosage include somnolence (drowsiness), fatigue, and headache. Serious, although less frequent, potential outcomes include effects on the cardiac and nervous systems, such as tachycardia, palpitations, and seizures.

In the event of a suspected overdose, regulatory guidance mandates that you seek immediate medical attention or contact a Poison Control Center right away.

Urgent medical help, such as calling local emergency services, is required if the person exhibits severe manifestations including collapse, having a seizure, trouble breathing, or inability to be awakened.

Management and Monitoring

Management of an overdose involves symptomatic and supportive treatment, along with the consideration of standard measures to remove any unabsorbed active substance. Regulatory documents confirm that no specific antidote is known for Desloratadine. It is also documented that the active substance is not eliminated by haemodialysis.

Overdose considerations for the paediatric population note that while the event profile is similar to adults, the potential magnitude of effects can be higher.

Therapeutic Uses of Escontral

What Escontral Treats: Main Uses and Benefits

Escontral (Desloratadine) is commonly used to help with symptoms related to heightened physiological activity in situations involving certain distressing symptoms linked to allergic conditions. Its applications are relevant for easing discomfort across key symptomatic domains.

This medication is relevant for easing symptom clusters that may become intense or disruptive in conditions characterized by periods of heightened symptoms, including Allergic Rhinitis (both seasonal and perennial forms) and Chronic Idiopathic Urticaria (persistent hives). It helps address symptoms that create noticeable functional strain, such as frequent sneezing, runny nose, nasal congestion, associated itchy, watery eyes, and intense skin itching. Generally, it supports a patient's ability to cope more steadily with symptom fluctuations.


Management of Symptoms and Comfort

Escontral is applied across therapeutic domains where additional symptomatic support is needed. It is used for managing conditions involving recurrent or episodic manifestations of the skin and airways, specifically the intense pruritus and the number and size of wheals.

“It supports general well-being during symptomatic phases, providing supportive relief when symptoms interfere with routine activities.”

This provides support that contributes to improved comfort during periods of heightened symptoms, helping to ease the overall symptom load associated with these chronic conditions.

Quick Fact: Relief for Allergic Discomfort
Primary Indication Symptomatic relief of allergic rhinitis (seasonal and perennial) and chronic hives.
Core Benefit Assisting with maintaining functional stability and reducing the burden of irritating symptoms.
Symptom Focus Addresses nasal congestion, sneezing, ocular discomfort, and persistent skin itching/hives.

Regulatory References

  1. NIH DailyMed drug information

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Escontral — Official Regulatory Information

This section outlines who is eligible for Desloratadine (Escontral) based strictly on official government regulatory documents.


Eligibility Scope

Category Official Regulatory Status/Statement
Populations for whom use is allowed Adults and Adolescents (12 years of age and older) are the standard approved population for film-coated tablets. The oral solution is approved for children as young as 6 months of age.
Populations for whom use is contraindicated Patients with Hypersensitivity to the active substance Desloratadine, the parent compound Loratadine, or any of the product's excipients.
Age-related eligibility rules Safety and efficacy have not been established in infants younger than 6 months of age.
Condition-specific eligibility rules Use requires caution in patients with severe renal insufficiency or hepatic impairment (liver disease).
Pregnancy and lactation eligibility status Use is not recommended during pregnancy or breastfeeding (as the drug passes into breast milk).
Eligibility-related restrictions Caution is advised for patients with a medical or familial history of seizures/convulsions.

Eligibility Classifications (High-Level)

The medicine is contraindicated based on hypersensitivity. Use is designated with caution in cases of severe organ impairment or a history of seizures. Use is not recommended for pregnant or breastfeeding women.


Connection to the overall eligibility profile

Official documents establish clear population boundaries for Desloratadine use, defining absolute contraindication by known allergy and conditional use by patient history and organ health. Standard eligibility begins at age 12 for tablets, with lower age groups requiring the oral solution formulation.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Escontral (Desloratadine) is defined by documented effects on systemic drug exposure and specific population pharmacokinetics, as stated in regulatory prescribing information.

Documented Pharmacokinetic Interactions

Co-administration of Desloratadine with certain drugs may result in altered plasma concentrations ( Cmax and AUC). This is classified as a pharmacokinetic interaction due to changes in drug metabolism. Medicines documented to formally increase the systemic exposure of Desloratadine and its metabolite include Ketoconazole, Erythromycin, Cimetidine, Fluoxetine, and Azithromycin.

Interacting Substance Official Description of Outcome
Ketoconazole Increased plasma AUC of Desloratadine and its metabolite
Erythromycin Increased plasma AUC of Desloratadine and its metabolite

Other Interaction Considerations

Official labeling indicates that Desloratadine may be taken with or without a meal, as food does not significantly affect the drug's bioavailability. Furthermore, clinical trials showed that Desloratadine did not potentiate the performance-impairing effects of alcohol, although post-marketing cases of alcohol intolerance have been reported.

Population-specific data officially note that patients with severe hepatic impairment or severe renal impairment, as well as individuals classified as slow metabolizers, exhibit increased systemic exposure to Desloratadine.

Mechanism of Action

Selective H1 Receptor Blockade

Escontral's primary action involves highly selective binding to and antagonism of the peripheral histamine H1 receptor ( H1 R), preventing the binding and activation of the receptor by the body's natural histamine, thereby limiting the associated signaling cascade. This action constitutes an interference with the H1 R-mediated signaling patterns.

Interrupting the Histamine Signaling Cascade

The mechanism functions by modifying the early molecular steps within the histamine signaling cascade, which results in the modulation of the cascade’s progression and downstream systemic signaling. The interference modifies signaling dynamics that influence capillary permeability and sensory nerve stimulation.

Peripheral Action and BBB Exclusion

The drug exhibits poor ability to cross the blood-brain barrier (BBB). This physiochemical property results in the primary access and binding of the mechanism to H1 R targets in peripheral systems, with minimal penetration across the blood-brain barrier.

Dosage and Administration Information

Instruction Map: How to use Escontral — General Administration Guidelines

Instruction Detail
Route of administration Oral (via tablet, orally disintegrating tablet, or solution)
Dosing schedule Standard Dose (age 12 years and older): 5 mg once daily. Dose Adjustment (Severe Impairment): 5 mg every other day for adults with severe renal or hepatic impairment.
Timing in relation to meals May be administered with or without food.
Preparation requirements The oral solution must be accurately measured using a calibrated measuring device.
Age-group administration rules Adults/Adolescents (age 12 years and older): 5 mg once daily. Children (6 months to 11 years): Dosing is adjusted by age (1 mg, 1.25 mg, or 2.5 mg) using the oral solution or 2.5 mg tablet.
Missed-dose rules Take the missed dose as soon as remembered; the next dose should be taken at the usual time. Do not take two doses at once.
Special procedural conditions The orally disintegrating tablet (ODT) must be removed from the blister immediately before use, placed on the tongue, allowed to disintegrate, and swallowed with or without water.

Instruction Classifications

Classification Detail
Administration method type Systemic, Oral
Frequency pattern Once daily
Methodological basis Standard clinical administration
Use-context constraints Duration is determined by the temporal nature of the condition; intermittent rhinitis allows for discontinuation upon symptom resolution.

Resulting Procedural Structure

Standard use of Escontral is structured by the following steps:

  • Determine the standard (5 mg daily) or adjusted (5 mg every other day) dose based on age and renal/hepatic status.
  • Select the correct dosage form (tablet, ODT, or solution) and measure the amount carefully using a calibrated device if using the oral solution.
  • Administer the full, determined dose orally once every 24 hours, regardless of concurrent food intake.
  • For ODT forms, ensure the tablet is taken immediately after opening the blister pack.

Connection to the overall use protocol

The instructions establish a once-daily oral administration protocol that is applied across the various forms and age groups. This protocol is designed to accommodate physiological differences, requiring a frequency adjustment (every other day) only for adults with severe impairment, thereby standardizing the delivery of the active ingredient.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Escontral (Desloratadine)


Evidence for Use in Conditions Characterized by Fluctuating Nasal Symptoms (Allergic Rhinitis)

Research on Desloratadine in allergic rhinitis has primarily used randomized, placebo-controlled studies conducted for symptoms associated with both seasonal and perennial forms of the condition. These studies were designed to monitor patient-reported outcomes, focusing on the measurement of symptoms related to physical discomfort such as sneezing, nasal discharge (rhinorrhea), congestion, and itching. Findings from these controlled settings report how symptoms evolved in the observed populations, and the data showed observed patterns related to symptom measurements when compared to the population receiving a placebo. The research provides insight into short-term symptom patterns, though there is limited information for long-term outcomes, as most controlled trials focused on short-term follow-up (up to three months).


Evidence for Use in Conditions Involving Episodic Skin Manifestations (Chronic Idiopathic Urticaria)

Desloratadine was also studied for its use in observing symptoms of chronic idiopathic urticaria, or persistent hives. The main measurements focused on a combined score, which was studied for how it tracked changes in the severity of pruritus (itching) alongside the size and number of the wheals (hives). The findings describe patterns observed in the studies over defined time intervals, often up to six weeks. Most controlled research focused on the short term, where follow-up durations were limited, and long-term effects are not fully established by extensive controlled research.


Research in Specific Groups (Special Populations)

Specific clinical research has examined how Desloratadine was observed in subjects outside of the core adult trial population, including adolescents and children (aged 2 years and above). However, the data for certain groups remain insufficient. For instance, subgroup findings are uncertain or less robust for older adults, where dedicated large-scale randomized controlled trials are often absent. This means the results apply only to the populations studied.

Frequently Asked Questions (FAQ)

Common questions about Escontral (FAQ)

Q: How quickly does Escontral usually start working?

A: Studies and official information indicate that the active ingredient in Escontral can be detected in the bloodstream within 30 minutes of administration. An antihistaminic effect has typically been observed starting from 1 hour after administration. The rapid onset of activity aligns with the drug's approved purpose for symptom management.


Q: Can Escontral cause trouble sleeping?

A: Trouble sleeping, specifically referred to as insomnia in regulatory documents, has been reported as an uncommon to very rare side effect in clinical trials. It is not listed among the most frequently observed reactions, but the possibility is noted in the official product information.


Q: Is it common to feel a little dizzy when first starting Escontral?

A: Dizziness is a possible side effect, and is classified in regulatory documents as a common adverse reaction, meaning it occurs in 1% to 10% of patients. Official information indicates that common side effects, including dizziness, are more likely to be reported when an individual is beginning treatment.


Q: Why do some people say Escontral makes them feel tired?

A: Fatigue (a feeling of tiredness) is classified in regulatory documents as one of the most common adverse reactions reported in clinical trials. The classification indicates that this is a recognized and common occurrence noted in regulatory data, typically reported at the beginning of treatment.


Q: Is it normal to see some changes in my appetite while on Escontral?

A: Official reports on the drug's safety profile indicate that changes in appetite have been noted. Specifically, both increased appetite and anorexia (loss of appetite) have been reported in the common frequency category in clinical trial data.


Q: What is the typical time frame that a person takes Escontral for?

A: The duration of use is not fixed and is determined by the temporal nature of the condition. For example, regulatory documents describe that for conditions like intermittent allergic rhinitis, use may be stopped when symptoms resolve. For persistent conditions, longer periods of continuous use are typical.


Q: Is Escontral known to cause weight gain or weight loss?

A: Regulatory documents indicate that an increase in weight has been noted in post-marketing surveillance. This finding is currently categorized as having an unknown frequency. Weight loss is not specifically listed in the official safety profile.


Q: Does Escontral affect the ability to drive or operate machinery?

A: Clinical trials found no impairment on driving ability for most patients. However, because drowsiness has been reported very rarely, the product information indicates that individuals should be aware of their personal response before engaging in activities requiring mental alertness, such as driving or operating machinery.


Q: What are the long-term effects of taking Escontral?

A: Most controlled clinical trials for Escontral focused on short-term use, typically lasting up to three months. Consequently, long-term effects are not fully established by extensive controlled research. Routine monitoring is often recommended during extended periods of use.


Q: What should I do if a side effect of Escontral seems concerning?

A: Official guidance advises seeking medical attention immediately if a severe or serious reaction occurs, such as difficulty breathing, swelling of the face, or a rapid or severe change in health. General guidance suggests consulting a healthcare professional for side effects that are concerning but not emergency-level.


Q: Can Escontral be crushed or split?

A: Official administration instructions for the film-coated tablets state that the tablet should be swallowed whole with water. If the medicine is in the form of an oral solution, it should be accurately measured using the provided device. Specific modification instructions exist only for the orally disintegrating tablet (ODT) form.


Q: How does Escontral compare to a placebo in clinical trials?

A: In placebo-controlled clinical trials, the study data showed distinct patterns related to the improvement of symptoms, such as sneezing and itching, when compared to the population receiving an inactive substance (placebo). The data collected from this research contributes to the drug's regulatory profile.


Q: Does the time of day I take Escontral matter?

A: Escontral is officially a once-daily medication, meaning it is intended to be taken approximately every 24 hours. The time of day is flexible, and the medicine can be taken with or without food.


Q: Can Escontral make you more sensitive to the sun?

A: Increased sensitivity to the sun, known as photosensitivity, has been noted in post-marketing reports for Escontral. The official frequency of this occurrence is currently not known, but the possibility is included in regulatory surveillance data.


Q: Is Escontral the same kind of medicine as [similar drug name]?

A: Escontral is identified by its active ingredient, Desloratadine, which is classified as a second-generation selective peripheral H1-receptor antagonist. This classification indicates that it belongs to the same general category of medicines that treat allergic conditions.


Q: What is the main difference between Escontral and other drugs that treat the same condition?

A: Official classification recognizes Escontral's active ingredient, Desloratadine, as the major active metabolite of the older antihistamine, Loratadine. This unique chemical identity distinguishes it from its parent compound and other related medicines.


Q: Does Escontral lose effectiveness over time?

A: In controlled studies that lasted up to 28 days, there was no evidence of tachyphylaxis (the technical term for the rapid or sudden loss of a drug's effectiveness). This indicates that the drug maintained its activity over the study period.


Q: How long does the effect of one dose of Escontral last?

A: Studies have shown that the antihistaminic activity of one dose of Escontral may persist for as long as 24 hours. This pharmacological characteristic is the basis for its approved once-daily dosing schedule.


Q: What happens if I accidentally take two doses of Escontral close together?

A: The adverse event profile associated with an overdose is described in official documents as being similar to that seen with therapeutic doses, but the severity of the effects may be increased. The established dosing schedule is once-daily.


Q: Does Escontral have an impact on mood?

A: Official reports from post-marketing surveillance and recent regulatory reviews have included effects on mood. These reports have noted occurrences such as depressed mood, abnormal behavior, and aggression (in pediatric patients).


Q: Is there any research on Escontral's use in people with liver problems?

A: Regulatory documents advise caution for patients with severe hepatic (liver) impairment. This is due to the potential for increased drug exposure and reports of adverse liver effects, such as hepatitis and jaundice, in the safety data.

How should Escontral be stored and disposed of?

How to Store and Dispose of Escontral (Desloratadine)

Official regulatory documents define specific storage and disposal requirements for Escontral (Desloratadine) to maintain product stability and ensure safety.

Storage Requirements

  • Temperature and Protection: Film-coated tablets must be stored at a temperature not above 30 C and kept in the original package to protect from moisture. The oral solution requires no special temperature conditions but must not be frozen and must be protected from light in its original container.
  • Stability: The oral solution has a shelf life of 2 months after first opening; tablets supplied in a container must be used within 3 months of first opening.
  • Safety: The medicine must be kept out of the sight and reach of children.

Disposal Instructions

Expired or unused Escontral oral solution must not be thrown away via wastewater or household waste. Patients are instructed to consult their pharmacist regarding proper disposal methods.

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

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