Lemonte Kid

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Lemonte Kid

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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 Lemonte Kid

Quick Facts

Property Description
Active Ingredients Levocetirizine and Montelukast
Form Tablet, Chewable tablet, or Syrup
Pharmacological Class Antihistamine / Leukotriene Receptor Antagonist (LTRA)
General Purpose Antiallergic and Anti-asthmatic action
Origin Synthetic

Identity and Type Classification

Lemonte Kid is a specialized Fixed-Dose Combination (FDC) preparation, meaning it combines two distinct, synthetic active therapeutic agents into a single oral unit. This medicine is classified as a dual-action antiallergic and anti-asthmatic agent, primarily intended for pediatric patients requiring the long-term management and prophylaxis of chronic inflammatory processes. Its combination structure allows for comprehensive intervention across multiple inflammatory pathways, unlike single-agent treatments, and is typically intended for convenient oral administration in forms such as chewable tablets or syrup.

Composition and Dual-Action Benefit

The composition of this FDC is defined by the inclusion of the two principal active ingredients: Levocetirizine and Montelukast. Pharmacologically, the drug belongs to the class of Leukotriene Receptor Antagonist/Antihistamine agents. Levocetirizine is categorized as a potent second-generation H1-antihistamine that blocks the effects of the allergic mediator Histamine. Concurrently, Montelukast places the drug within the Leukotriene Receptor Antagonist (LTRA) class, selectively inhibiting the pathway driven by the chemical messenger Leukotriene D4. The rationale for this combination is based on its potential to offer superior symptom control over monotherapy in allergic patients. This synergistic effect of blocking two different chemical messengers is the core benefit, as it helps to diminish swelling, reduce mucus secretion, and manage airway constriction more broadly.

What side effects are possible with Lemonte Kid?

Possible Side Effects and Safety Information

The safety profile of the combination product, containing Levocetirizine and Montelukast, is defined by adverse reactions classified according to their frequency in clinical trials and post-marketing experience.

Official Adverse Reaction Classification

Adverse effects are grouped by body system and frequency as documented in regulatory information:

Classification Examples of Officially Documented Effects
Common Headache, Somnolence, Fatigue, Asthenia, Diarrhea, Nausea, Vomiting, Pyrexia, Rash.
Uncommon/Rare Agitation, Insomnia, Dizziness, Abdominal pain, Pruritus, Oedema, Tremor, Hepatitis.
Very Rare/Not Known Suicidal ideation and behavior, Churg-Strauss Syndrome, Urinary retention, Aggression, Anaphylaxis.

Serious adverse reactions officially highlighted in regulatory warnings include neuropsychiatric events (such as suicidal ideation, depression, and hallucinations) and rare systemic manifestations like Churg-Strauss Syndrome and severe hypersensitivity reactions. Neuropsychiatric symptoms are associated with the Montelukast component and require attention, as they may continue if treatment is not withdrawn.

Population and Contextual Safety

The medication is contraindicated in patients with severe renal impairment (creatinine clearance less than 10 mL/min). Caution is also advised for use in individuals with predisposing factors for urinary retention or those with epilepsy or a risk of convulsion, as the levocetirizine component may potentially cause seizure aggravation. The regulatory profile notes that pruritus (itching) has been observed upon discontinuation of the levocetirizine component.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose of codeine-containing products, such as those associated with the term “Lemonte Kid,” is a serious, life-threatening emergency. The primary risk of overdose is life-threatening respiratory depression (slowed or shallow breathing) leading to central nervous system impairment, coma, and potential death.

Documented Overdose Symptoms

Symptoms of a severe overdose or toxicity may include:

  • Unusual sleepiness, confusion, or unresponsiveness.
  • Slow, shallow, or difficult breathing.
  • Pinpoint pupils.
  • Cold, clammy, or bluish skin (cyanosis).
  • Severe dizziness or passing out.

When Immediate Medical Help is Required

Immediate medical attention is necessary if any sign of breathing trouble or unresponsiveness is observed. If you suspect an accidental ingestion, misuse, or abuse leading to overdose, call your local emergency number or poison control center right away. The drug naloxone may be used to temporarily reverse the effects of an opioid overdose.

Population-Specific Risks

Regulatory agencies have implemented strong warnings and contraindications due to the high risk of severe overdose in children. These warnings include:

  • Contraindication for Children: Codeine is contraindicated for use in children under 12 years of age and in adolescents aged 12 to 18 who have had surgery to remove their tonsils or adenoids (tonsillectomy/adenoidectomy).
  • Breastfeeding Mothers: Codeine use is not recommended for breastfeeding mothers, as the drug can pass into breast milk and cause life-threatening respiratory depression in the infant.

Therapeutic Uses of Lemonte Kid

What Lemonte Kid Treats: Main Uses and Benefits

Lemonte Kid is a medication that may be part of symptomatic management and supports the patient during difficult episodes by easing discomfort associated with allergic and inflammatory conditions. It is commonly used across therapeutic domains where supportive symptom management is appropriate.

The medication is relevant in conditions characterized by periods of heightened symptoms, primarily allergic rhinitis (seasonal and perennial) and as supportive care for asthma management. It helps address symptom clusters that may become intense or disruptive, such as sneezing, congestion, persistent itching, and mild airway irritation.

It is applied in addressing situations requiring temporary assistance in symptom stabilization, and helps improve day-to-day comfort during symptomatic periods. The therapeutic benefit supports the easing of discomfort and may assist with functional stability when symptoms interfere with daily routines.


Therapeutic Focus: Symptom Clusters

Lemonte Kid helps manage symptom clusters that interfere with daily comfort, such as both upper respiratory symptoms (like a runny nose) and physical surface symptoms (like itching) that often cluster together during allergic episodes.

Eligibility and Restrictions for Use

This section explains the officially documented eligibility and non-eligibility rules for the Levocetirizine/Montelukast Fixed-Dose Combination (FDC) as defined by government regulatory authorities.

Eligibility Scope

Scope Category Regulatory Classification
Populations for whom use is allowed Generally approved for adults and adolescents 15 years of age and older. Use is established for pediatric patients 6 years of age and older (for specific FDC forms).
Populations for whom use is contraindicated Individuals with known hypersensitivity to levocetirizine, montelukast, or cetirizine. Patients with severe renal impairment (Creatinine Clearance <10 mL/min) or end-stage kidney disease.
Age-related eligibility rules The FDC tablet form is not recommended for children under 6 years of age, as this formulation does not permit appropriate dose adjustment.
Condition-specific eligibility rules The product is not indicated for the treatment of acute asthma attacks. Patients with rare hereditary conditions such as galactose intolerance should not take this medicine.
Pregnancy and lactation eligibility status Use is not recommended for women who are pregnant or breastfeeding due to insufficient data for the combination product.
Eligibility-related restrictions Caution is advised for patients with non-severe renal impairment or hepatic impairment. Caution is also noted for patients with predisposing factors for urinary retention.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes documented drug-drug, drug-substance, and drug-test interactions based on official regulatory labeling. Avoidance or caution is necessary with certain products due to the risk of altering drug exposure or increasing adverse effects.

Pharmacokinetic and Pharmacodynamic Interactions

Classification Interacting Agents and Effects
Exposure-Modifying Agents Potent CYP enzyme inducers (e.g., Phenobarbital, Rifampicin) are documented to decrease Montelukast exposure. Conversely, strong CYP2C8 inhibitors (e.g., Gemfibrozil) significantly increase Montelukast systemic exposure (AUC) [Source 3.1].
CNS Additive Effects Concurrent use with Alcohol and other Central Nervous System (CNS) depressants is restricted due to the potential for additive pharmacodynamic effects, which may cause additional reductions in alertness and impairment of performance [Source 2.2].

Procedural and Population Constraints

Constraint Type Official Regulatory Requirement
Diagnostic Testing Antihistamines may inhibit the response to allergy skin tests; a 3-day wash-out period is required before performing these procedures [Source 2.3].
Specific Populations Use is contraindicated in patients with severe renal impairment (creatinine clearance < 10 mL/min) because Levocetirizine is primarily eliminated by the kidneys, increasing the risk of adverse reactions [Source 1.2]. Caution is advised in patients with impaired hepatic function [Source 2.2].
Substance Avoidance Patients with known Aspirin sensitivity should continue to avoid Aspirin or non-steroidal anti-inflammatory agents while receiving Montelukast [Source 2.2].

These official statements define the structural boundaries of treatment, focusing on managing co-administered enzyme-modifying drugs, mitigating central nervous system effects, and respecting mandatory procedural timing and organ function limitations.

Mechanism of Action

Dual Blockade of Core Inflammatory Mediators

The drug acts by simultaneously targeting two principal inflammatory mediators: Histamine and Cysteinyl Leukotrienes . Levocetirizine performs a selective antagonism of the peripheral H1 -receptor, reducing the transmission of Histamine signals that initiate increased vascular permeability and sensory nerve activation. Concurrently, Montelukast blocks the CysLT1 receptor, inhibiting the actions of Cysteinyl Leukotrienes ( LTC4, LTD4, and LTE4) that promote bronchoconstriction.


Modulating Airway Muscle Tone and Cellular Recruitment

This dual antagonism achieves coordinated intervention across the Histamine and Leukotriene pathways, affecting both vascular and respiratory systems. Inhibiting leukotriene signaling influences bronchial smooth muscle tone regulation and restricts the leukotriene-mediated migration and accumulation of inflammatory cells, such as eosinophils, within the respiratory mucosa. The CysLT1 antagonism mechanism operates via time-dependent modification of the inflammatory state, which intrinsically prevents rapid, acute reversal of established, severe functional changes. The combined H1 and CysLT1 antagonism affects the initiation and propagation of inflammatory signals that characterize the physiological response to allergens.

Dosage and Administration Information

How Lemonte Kid Is Used: Official Administration Guidelines

Lemonte Kid is a Fixed-Dose Combination (FDC) intended for oral administration as a long-term maintenance therapy for chronic conditions, and it is not authorized for use during acute episodes. Administration involves following specific dose strengths, timing, and population-based rules.


Official Dosing and Frequency

The standard regimen for adults and adolescents 15 years involves taking one film-coated tablet (10 mg Montelukast / 5 mg Levocetirizine) once daily. The official instruction recommends administering this single daily dose in the evening. The tablets may be taken with or without food.


Administration Details and Population Rules

Instruction Guideline
Route of Administration Oral
Tablet Intake Film-coated tablets must be swallowed whole with liquid; they are not intended to be chewed.
Pediatric Dosing Dose strength is dependent on age. The standard adult strength is generally not recommended for children less than 6 years of age, requiring the use of lower-strength tablets or liquid formulations.
Renal Function Adjustment Dose adjustments are mandatory for patients with renal impairment, based on the severity of kidney function decline (creatinine clearance). The drug is typically restricted in cases of severe impairment.
Missed Dose Rule If a scheduled daily dose is missed, the standard approach is to take the next dose at the usual scheduled time. A double dose should not be taken to compensate for the missed one.

Recent Clinical Evidence

Lemonte Kid: Recent Clinical Evidence

Evidence for use in Allergic Rhinitis

Research has been conducted to evaluate the combination of Levocetirizine and Montelukast in individuals with allergic rhinitis, a condition characterized by fluctuating or episodic manifestations. The evidence primarily originates from short-term Randomized Controlled Trials (RCTs) and Systematic Reviews that were evaluated in various settings.

The research examined outcomes related to physical discomfort, primarily by monitoring standardized measurements like the Total Nasal Symptom Score (TNSS), which includes metrics for nasal congestion, sneezing, and runny nose. The research also applied in studies examining patient-reported experiences to monitor metrics for quality of life. Studies explored how the combination was evaluated against each drug taken alone (monotherapy) and how symptoms evolved over the observation period.

Research describes patterns observed in the studies that evaluated the combination against monotherapy in adult and older pediatric populations. For instance, studies documented patterns of measured scores for nasal congestion and runny nose when the combination was evaluated. Evidence suggests the measured effects were documented in trials assessing short-term or episodic symptom patterns during periods of increased symptom activity.


Evidence in Patients with Coexisting Asthma

The combination was studied for populations with conditions presenting with cycles of stability and flare-ups, specifically populations defined by both allergic rhinitis and concomitant asthma. The research examined this dual approach based on the study hypothesis.

These studies explored outcomes capturing phases of heightened symptom activity and outcomes reflecting daily functioning or activity level studied in the context of asthma control. Trials monitored changes in nasal symptom scores alongside measures of asthma control. Research describes patterns measured during the study period in these patients with combined conditions.


Long-Term Research and Follow-up Duration

The core evidence supporting the comparison of this combination against monotherapy is generally based on research exploring short-term symptom changes.

  • The primary comparative studies were limited in their observation periods, with most trials running only for a few weeks (typically two to six weeks).
  • There is limited information for long-term outcomes regarding the sustained effects of the combination when observed over many months or years.

Evidence in Special Populations, including Children

The combination was evaluated in a range of populations, including school-age children (mainly aged 6 to 14 years) for conditions involving periods of heightened symptoms. Research is still emerging for the use of this combination in very young children (such as those under 6 years old), and findings for this group remain limited and heterogeneous.

Results apply only to the populations studied and do not provide sufficient data to characterize outcomes in all age groups or special populations.


What Remains Unknown or Unclear in the Research

While research provides a descriptive basis for understanding how this combination was evaluated, certain aspects remain uncertain:

  • Consensus on Usage: Evidence quality varies across studies, and the consensus among authoritative guidelines remains low regarding the positioning of this combination within a routine treatment framework for allergic rhinitis.
  • Individual Response: Findings describe group patterns, not personal outcomes. The research does not determine whether an individual will respond similarly to the measured changes documented in the studies.

Frequently Asked Questions (FAQ)

Common questions about Lemonte Kid (FAQ)

Q: How quickly should I expect Lemonte Kid to start working after I take it?

The answer: Studies on the levocetirizine component show that control of allergy symptoms can sometimes be observed as soon as one hour after taking the medication. The montelukast component reaches its maximum concentration in the body typically within three to four hours. As this is an intended maintenance therapy, the maximum therapeutic benefit may require consistent use over time.

Q: What are the most common side effects people report when using Lemonte Kid?

The answer: Official information documents that the most commonly reported adverse reactions are generally classified as common and include somnolence (sleepiness), headache, and fatigue. Other common reactions are gastrointestinal issues like diarrhea, nausea, vomiting, or fever.

Q: Does Lemonte Kid cause drowsiness or make kids sleepy?

The answer: Yes, sleepiness (somnolence) and fatigue are listed in official documents as common adverse reactions. Regulatory information notes the importance of caution regarding activities requiring full mental alertness due to the potential for these effects.

Q: How long do the effects of one dose of Lemonte Kid usually last?

The answer: The official dosing schedule for Lemonte Kid is a single dose once daily, typically taken in the evening. The single daily dosing regimen suggests the medication is intended to provide sustained coverage over approximately 24 hours.

Q: Is it normal to feel a bit restless or hyper after taking Lemonte Kid?

The answer: While the medication generally aims to reduce inflammation, neuropsychiatric events such as agitation or restlessness have been reported. These effects are classified as uncommon to rare adverse reactions in regulatory documents. Any behavioral changes should be reviewed with a healthcare provider.

Q: Can Lemonte Kid affect a child's behavior or mood?

The answer: Official regulatory warnings highlight that the montelukast component has been associated with serious behavior and mood changes, which are known as neuropsychiatric events. Reported effects include aggression, depression, agitation, and suicidal thoughts or behavior. If such symptoms occur or worsen, consulting a healthcare provider is necessary.

Q: What should I do if a dose of Lemonte Kid is missed?

The answer: According to the official regulatory guidance, if a scheduled daily dose is missed, you should take the next dose at the usual scheduled time. The guidance is clear that a double dose should not be taken to compensate for the missed one.

Q: How does Lemonte Kid compare to Montelukast, which is also used for allergy-related issues?

The answer: Lemonte Kid is a combination product, containing both Montelukast and Levocetirizine. Clinical research has specifically evaluated the combination against Montelukast monotherapy (Montelukast alone). These studies have tracked patterns in measured scores for nasal symptoms, such as congestion and runny nose.

Q: Can Lemonte Kid be given at any time of day, or is a specific time better?

The answer: The official product information recommends administering the single daily dose in the evening. This timing is typically advised to align with the drug's properties and potential effects, such as somnolence.

Q: Why do some people say Lemonte Kid helps with congestion, even though it's an anti-allergy drug?

The answer: The medication is indicated for conditions like allergic rhinitis, and one of the most bothersome symptoms is nasal congestion. Official clinical trials evaluate the drug's effectiveness by monitoring specific metrics, including the total nasal symptom score, which directly accounts for improvements in congestion.

Q: Is it okay to stop giving Lemonte Kid suddenly, or should the dose be reduced slowly?

The answer: Regulatory documents note that itching (pruritus) has been observed in some individuals after discontinuing the levocetirizine component. Discontinuing or changing the use of the medication requires discussion with a healthcare provider.

Q: What should I do if my child accidentally takes too much Lemonte Kid?

The answer: If an overdose is suspected, contacting a Poison Control Center or seeking emergency medical attention is the recommended course of action. Reported symptoms in cases of overdosage can include abdominal pain, sleepiness, headache, increased thirst, and vomiting.

Q: Is Lemonte Kid the same ingredient as Levocetirizine, just branded differently?

The answer: No, this is not correct. Lemonte Kid is officially defined as a Fixed-Dose Combination (FDC) preparation. This means it contains two distinct active ingredients: the antihistamine Levocetirizine and the Leukotriene Receptor Antagonist Montelukast.

Q: Is it normal if my child is thirsty more often while taking Lemonte Kid?

The answer: While increased thirst is not listed as a common side effect in the official safety profile, it has been reported as a symptom in some cases of accidental overdosage. Any persistent or unusual thirst should be discussed with a healthcare provider.

Q: Could Lemonte Kid be causing my child to have strange dreams or sleep disturbances?

The answer: Yes, sleep problems are listed as a possible adverse reaction. Neuropsychiatric reports include instances of insomnia, sleepwalking, and experiencing unusual dreams or nightmares, particularly related to the montelukast component.

Q: Are there any known interactions between Lemonte Kid and common antibiotics?

The answer: Interactions are officially documented with certain potent liver enzyme inducers, such as Rifampin, which is a type of antibiotic used for specific infections. It is important to ensure a healthcare professional is aware of all other medicines, including antibiotics, being used concurrently.

Q: Are there any known effects on a child's appetite?

The answer: While major appetite change is not reported as a common side effect, adverse reaction reports since the drug’s approval have included isolated instances of changes in appetite, such as increased appetite. Any persistent changes should be reviewed with a healthcare provider.

Q: What is the difference in how Lemonte Kid works compared to an older antihistamine?

The answer: Lemonte Kid is considered a dual-action medicine. It combines a second-generation H1-antihistamine (Levocetirizine) with a Leukotriene Receptor Antagonist (Montelukast). Unlike older antihistamines, which typically only block the H1 receptor, this medication blocks two separate inflammatory pathways (Histamine and Leukotriene) simultaneously.

Q: Where can I find reliable, official information or studies about Lemonte Kid?

The answer: The most reliable and official information is found in the full product labeling, such as the Prescribing Information or Summary of Product Characteristics, which is published and maintained by national drug regulatory authorities like the FDA or EMA.

Q: Has there been much research done on the long-term safety of Lemonte Kid in children?

The answer: The core evidence for the combination product is primarily based on clinical trials with limited observation periods, typically lasting only a few weeks. Official documents acknowledge that there is limited information available regarding the sustained effects and long-term safety outcomes when observed over many months or years.

Q: Is Lemonte Kid used for both seasonal and environmental allergies?

The answer: Yes, the medication is indicated for the treatment of conditions like allergic rhinitis, a term that includes both seasonal (often called hay fever) and perennial, or year-round, forms of allergy.

How should Lemonte Kid be stored and disposed of?

Official Storage and Disposal Guidelines

Regulatory documents stipulate specific environmental and container requirements to maintain the stability of Lemonte Kid. The product must be stored at temperatures below 30 C in a dry place and is required to be protected from light and moisture. To ensure this protection, the medicine must be kept in its original package.

Requirement Official Instruction
Temperature Store below 30 C
Protection Protect from light and moisture
Accessibility Keep out of reach of children
Disposal In accordance with local requirements

For child safety, it is a mandatory requirement to keep all medicines out of reach of children. Regarding disposal, any unused or expired product must be discarded in accordance with local requirements, and it is explicitly forbidden to dispose of the product by flushing it into the sewer system or releasing it into the environment.

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

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