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Tusigen Infantil

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Tusigen Infantil

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Method of action: Antitussive Opioid

Treatment option:

Medically reviewed

Rosario Oropesa

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.

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Overview of Tusigen Infantil

Quick Facts

Property Description
Active Ingredients Chlorpheniramine, Codeine, Pseudoephedrine
Form Syrup (Jarabe), Oral Liquid
Pharmacological Class Upper Respiratory Combination
Primary Actions Antitussive, Antihistamine, Decongestant
Origin Synthetic
Manufacturer Focus Pediatric (Infantil) Formulation

Defining Tusigen Infantil: A Combination Upper Respiratory Preparation

Tusigen Infantil is an oral liquid preparation, formulated as a syrup (jarabe), and is classified within the pharmaceutical group of Upper Respiratory Combinations. Its key differentiating feature is its specific pediatric (Infantil) formulation and its composition, designed to manage multiple symptoms associated with irritation of the upper airways concurrently. This combination approach is recognized for providing broad symptomatic relief in adults and older children.

Active Ingredients and Synthetic Origin

The preparation contains a distinct triple-action blend of three active ingredients: the first-generation antihistamine Chlorpheniramine, the opioid antitussive Codeine, and the sympathomimetic Pseudoephedrine. Chlorpheniramine acts as a histamine H1-receptor antagonist, illustrating its role in reducing allergy symptoms. The components, which are all products of chemical synthesis, are suspended in an aqueous solution base, a typical characteristic of liquid preparations. The inclusion of the antitussive Codeine makes the product distinct from combinations that rely solely on non-opioid cough suppressants.

General Purpose: Integrated Symptom Relief

The general purpose of Tusigen Infantil is to provide comprehensive, integrated symptomatic relief for the interwoven symptoms of a cold or upper respiratory distress. By combining agents that modulate the cough reflex, reduce allergic responses (such as sneezing and a runny nose), and alleviate nasal congestion, the formulation offers a multi-targeted utility. This combined action is utilized in managing the overall discomfort caused by simultaneous symptoms, particularly where palatability and ease of swallowing (syrup form) are key considerations.

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What side effects are possible with Tusigen Infantil?

Possible Side Effects and Safety Information

The safety profile of this combination product, containing Codeine, Chlorpheniramine, and Pseudoephedrine, is structured around adverse reactions affecting multiple physiological systems, as documented in official regulatory labels.

Adverse Reactions and Systemic Effects

Adverse reactions classified as Common in official prescribing documents primarily involve the Nervous System and Gastrointestinal System. These commonly reported effects include sedation, drowsiness, mental clouding, dizziness, headache, dry mouth (xerostomia), nausea, vomiting, and constipation. Other common psychiatric effects include nervousness, agitation, and restlessness.

Serious Adverse Reactions

The most critical safety characteristic highlighted in regulatory documents is the potential for Life-Threatening Respiratory Depression, which may occur and can be fatal. This combination is also associated with official warnings regarding Addiction, Abuse, and Misuse due to its opioid content. Other serious adverse reactions documented in official sources include severe Hypotension, the risk of Seizures, and Neonatal Opioid Withdrawal Syndrome if used during pregnancy.

Population-Specific Safety Considerations

The use of this codeine-containing preparation is strictly contraindicated in children younger than 12 years of age for cough and cold treatment, as mandated by government authorities due to the unpredictable risk of life-threatening respiratory depression. Furthermore, the label requires caution for use in elderly or debilitated patients and those with hepatic or renal impairment. The product can impair mental and physical performance, and its concurrent use with other Central Nervous System (CNS) depressants carries the high-level safety consequence of profound sedation, respiratory depression, coma, and death.

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Overdose and Emergency Response

Overdose and when to seek help

Overdose involving the active ingredients of Tusigen Infantil is officially documented to severely affect the Central Nervous System (CNS), Respiratory System, and Cardiovascular System. Documented overdose presentations may include profound sedation, somnolence, and life-threatening respiratory depression, characterized by dangerously slow or shallow breathing and potential progression to coma. Regulatory documents also list manifestations of Anticholinergic and Sympathomimetic toxicity, such as agitation, convulsions (seizures), tachycardia (rapid heart rate), and significant blood pressure changes.

Regulators classify overdose as a severe, life-threatening risk, with a potential for fatal respiratory depression or cardiovascular collapse. Individuals identified as ultra-rapid metabolizers are noted to be at risk for a codeine-related overdose even at a labeled dose. Accidental ingestion of even one dose by a child requires urgent attention.

Immediate medical help is explicitly required upon suspicion of an overdose or if the person exhibits signs like unresponsiveness, slow breathing, or inability to wake up. Regulatory instruction mandates that caregivers must get emergency medical help at once and contact a Poison Control Center immediately. Officially described management procedures include administering the opioid reversal agent naloxone, along with continuous monitoring, breathing support, and general supportive treatment.

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Therapeutic Uses of Tusigen Infantil

What Tusigen Infantil Treats: Main Uses and Benefits

Tusigen Infantil is generally used in situations involving certain distressing symptoms associated with acute respiratory episodes. This medication is generally considered relevant for managing symptoms of the common cold, including a dry, frequent cough and symptoms related to systemic or localized discomfort in the chest. It helps address symptom clusters that interfere with daily comfort and may intensify temporarily, used when groups of symptoms appear suddenly or fluctuate.

The overall purpose is to offer symptomatic relief that supports general well-being during symptomatic phases. It is applied in scenarios where short-term assistance in symptom stabilization is important.

Quick Fact: Relief for Cough and Congestion

“This supportive care is used across domains where short-term symptom management is appropriate and contributes to easing the overall symptom load.”

Regulatory References

  1. Guidance Document: Nonprescription Oral Paediatric Cough and Cold Labelling Standard
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Eligibility and Restrictions for Use

Tusigen Infantil (containing Cloperastine or a similar antitussive agent) is subject to strict regulatory guidance regarding patient eligibility.

Eligibility Scope

Classification Population/Condition Eligibility Status (Regulatory Basis)
Contraindicated Children under two years of age Use is prohibited due to safety concerns and unestablished efficacy.
Contraindicated Known hypersensitivity or allergy to the active substance (e.g., Cloperastine) or any excipients. Use is prohibited.
Contraindicated Patients taking Monoamine Oxidase Inhibitors (MAOIs). Use is prohibited.
Restricted Pregnancy and Lactation Use is contraindicated by some official labels; medical consultation is mandatory.
Caution Advised Patients with pre-existing conditions like glaucoma or prostatic hypertrophy (enlargement of the prostate). Use requires special consideration due to the drug's anticholinergic effects.
Caution Advised Concomitant use with other CNS depressants (including alcohol). Use is restricted due to heightened risk of sedation.

This medicine's eligibility profile is primarily defined by the absolute contraindication in infants and young children under two years old, which is standard for this class of drug. The regulatory documents also prohibit use in individuals with known hypersensitivity or those concurrently taking MAOIs. Certain conditions, such as glaucoma or an enlarged prostate, require caution because the drug may exacerbate these issues, thereby limiting its appropriate use in those populations.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Tusigen Infantil contains a combination of active ingredients (chlorphenamine maleate, pseudoephedrine hydrochloride, and codeine phosphate) which can lead to clinically significant interactions with certain medications and substances.

Contraindicated Combinations

This medicine is contraindicated (should never be used) in patients who are currently taking or have taken Monoamine Oxidase Inhibitors (IMAO) within the last 14 days. This combination poses a serious risk, as IMAOs can prolong and intensify the effects of both the antihistamine component, potentially leading to severe hypotension, and the decongestant component, which can potentiate the MAOIs’ action, risking a hypertensive crisis or serotonin syndrome due to the codeine/chlorphenamine components.

High-Risk Combinations

Concurrent use with Alcohol or other Central Nervous System (CNS) depressants is strongly discouraged. The CNS depressant effects of the codeine (an opioid antitussive) and chlorphenamine (a sedating antihistamine) can be significantly potentiated by these substances, including:

  • Tranquilizers (including benzodiazepines)
  • Other Opioids
  • Antiepileptics (seizure medications)

Combining Tusigen Infantil with these substances increases the risk of profound sedation, respiratory depression, coma, and death. Patients should also avoid combination with other products containing the same or similar active ingredients (e.g., other decongestants, antihistamines, or opioids).

Other Relevant Interactions

Caution is warranted when combining this product with drugs that affect Cytochrome P450 isoenzymes, particularly CYP2D6 inhibitors, which can alter codeine metabolism and increase the risk of adverse effects. Drugs with anticholinergic properties may also cause additive effects like dry mouth, blurred vision, and urinary retention.

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Mechanism of Action

The key component is noscapine, an isoquinoline alkaloid. Its mechanism of action involves highly specific molecular interactions in the central nervous system, which results in the modulation of neural activity within pathways governing the cough reflex.


Central Cough Reflex Modulation

Tusigen Infantil acts within domains involving receptor-mediated signaling in the brainstem's cough center. Noscapine primarily functions as an agonist of the sigma opioid receptor (sigma-receptor). This engagement modifies early molecular steps that shape systemic physiological outcomes, leading to physiological adjustments that reflect altered signal transduction within the cough center.


Bradykinin Pathway Influence

The drug also modulates key pathways associated with physiological responses by showing an inhibitory effect on bradykinin receptors. This action influences feedback regulation within the pathway and modifies the transmission of afferent sensory signals.

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Dosage and Administration Information

Official Administration Guidelines for Tusigen Infantil

Tusigen Infantil is a product that typically contains a combination of active ingredients, often including an antihistamine, a decongestant, and an antitussive (cough suppressant), such as chlorphenamine maleate, pseudoephedrine hydrochloride, and codeine phosphate. The official instructions for its use are specific to the formulation where it is sold.

Since this product is intended for pediatric use, its administration must strictly follow the age- and weight-based dosing guidelines provided in the official patient instructions.

Administration Scope Official Requirement
Route of Administration Oral. The drug is typically presented as a syrup or solution.
Dosing Schedule Must be determined by the prescriber based on the child's age and weight, and the specific concentration of the active ingredients in the product.
Frequency Pattern A minimum interval between doses, such as 4 to 6 hours, is commonly specified for its components (e.g., chlorphenamine).
Age-Group Rules The medication is specifically labeled for children (Infantil). Official dosage charts define separate regimens for different pediatric age groups (e.g., 2–6 years, 6–12 years).

Procedural Structure

Official Step Sequence:

  • Measure the Dose: Use the measuring device (spoon, cup, or dropper) provided with the product to ensure accurate volume measurement, as instructed in the patient information.
  • Timing: Administration frequency must not exceed the maximum daily or single-dose limit and must observe the minimum time interval between doses (e.g., 4 to 6 hours).
  • Duration: The duration of use is typically limited and should not be administered continuously for an extended period (e.g., more than five days) without medical guidance.

Connection to the overall use protocol: These official administration rules establish a protocol to ensure the medicine is given to children. The protocol defines the required oral route, the maximum allowable dose limits, and the minimum time intervals to prevent over-administration, ensuring adherence to the standard of use for the pediatric population.

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Recent Clinical Evidence

Tusigen Infantil: Recent Clinical Evidence

Clinical evidence concerning multi-component cough and cold preparations in pediatric populations, particularly those containing Codeine, Pseudoephedrine, and Chlorpheniramine (which are the active components in some formulations of Tusigen Infantil), has been the subject of re-evaluation by regulatory authorities and medical bodies.

Efficacy and Safety of Components

  • Codeine (Antitussive): Systematic reviews have consistently concluded that there is a lack of sufficient evidence from randomized controlled trials to support or oppose the effectiveness of codeine or its derivatives for the treatment of acute cough in children. Due to the potential for serious adverse events, including respiratory depression and opioid toxicity, its use is not recommended in children under 12 years of age.
  • Pseudoephedrine (Decongestant) & Chlorpheniramine (Antihistamine): Studies evaluating the individual and combined efficacy of these nonprescription components for acute cough in children often report limited or inconsistent evidence of benefit over placebo. High-quality trials supporting definitive effectiveness for these ingredients in children are sparse.

Combination Product Review

Research on the specific three-component combination found in some formulations of Tusigen Infantil is often limited, as most data regarding older cough preparations rely on studies with methodological limitations or were extrapolated from adult data. The use of multiple active ingredients in a single product, particularly for younger children, increases the risk of accidental overdose or adverse effects due to compounding ingredients. Medical guidance from global health bodies emphasizes the need for caution, citing the unfavorable benefit-risk profile for these types of formulations in pediatric patients, especially those under the age of six.

Active Ingredient Primary Pharmacological Action (in studies)
Codeine Phosphate Central cough suppression
Pseudoephedrine HCl Nasal decongestant (alpha-adrenergic agonist)
Chlorpheniramine Maleate Antihistamine (H1 receptor antagonist)

It is important to note that the scientific community and regulatory bodies advocate for continual re-assessment of older, established medications using modern evidence-based methods.

Key Studies & References

  1. Codeine for cough and cold: restricted use in children (UK MHRA Drug Safety Update)
  2. Review of cough and cold medicines in children (Therapeutic Goods Administration - TGA, Australia)
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Frequently Asked Questions (FAQ)

Common questions about Tusigen Infantil (FAQ)

Q: Is Tusigen Infantil the same as other cough syrups?

Official documents classify Tusigen Infantil as an Upper Respiratory Combination medicine. This is because it contains a blend of three different active ingredients: an antitussive (cough suppressant), an antihistamine, and a decongestant. This combination approach distinguishes it from many other cough syrups that contain only one or two active ingredients.

Q: Can children with asthma use Tusigen Infantil?

Official warnings state that its use may be contraindicated (prohibited) or may require specific caution for patients with pre-existing acute or severe asthma, or other respiratory or breathing problems. This information is noted in regulatory labels.

Q: What happens if a child takes too much Tusigen Infantil?

Official regulatory documents indicate that exceeding the prescribed amount can result in serious adverse reactions. The most critical risk is life-threatening respiratory depression (severe slowdown of breathing), as well as profound sedation, coma, and death.

Q: Does Tusigen Infantil have a risk of allergic reaction?

Official labeling states that the medicine is contraindicated (should not be used) if an individual has a known hypersensitivity or allergy to any of its active substances or excipients (inactive ingredients). The use of this medication is prohibited if a known hypersensitivity to any component exists.

Q: Do you need a prescription for Tusigen Infantil?

The components in this product, particularly the codeine, are subject to strict regulation. Official administration guidelines frequently refer to the dose being determined by the prescriber, which indicates that in many jurisdictions, the product may be available only by prescription or under specific pharmacist control.

Q: What is the age limit for taking Tusigen Infantil?

Official regulatory guidance places strict restrictions on pediatric use. Codeine-containing cough and cold products are strictly contraindicated (prohibited) in children younger than 12 years of age. Additionally, some formulations are prohibited for use in children under two years of age.

Q: Are there any specific foods or drinks to avoid while using Tusigen Infantil?

Official documents strongly discourage concurrent use with Alcohol. This is because alcohol can significantly potentiate, or increase, the Central Nervous System (CNS) depressant effects of the medication, leading to a higher risk of profound sedation and respiratory depression.

Q: Can Tusigen Infantil cause hyperactivity in children?

Common psychiatric adverse effects documented in official sources include nervousness, agitation, and restlessness. These effects are non-specific terms for mental or emotional unrest, but regulatory bodies do note the potential for these types of stimulating effects.

Q: How does Tusigen Infantil compare to natural remedies for cough?

Tusigen Infantil is an Upper Respiratory Combination that contains components derived from chemical synthesis (Chlorpheniramine, Codeine, and Pseudoephedrine). This fundamentally distinguishes it from natural or herbal remedies, which rely on botanically derived ingredients.

Q: Is there any research evidence showing how well Tusigen Infantil is generally tolerated?

Official reviews have cited an unfavorable benefit-risk profile for these types of older combination formulations in pediatric patients and emphasize the need for caution. The known tolerability is defined by the adverse reactions documented in regulatory labels, such as sedation and dizziness.

Q: Has Tusigen Infantil been studied in different age groups of children?

Research on these combination products often relies on studies with methodological limitations or data extrapolated from adult use, making high-quality evidence of benefit in children sparse and leading to specific age-based contraindications.

Q: Is it possible for Tusigen Infantil to lose effectiveness over time?

Official information states that the codeine component in this product may become habit-forming when it is used for a long time or in large doses. This risk relates to the development of mental or physical dependence.

Q: What should I know about the safety profile of Tusigen Infantil?

The safety profile is clearly defined by several official warnings. These include the potential for life-threatening respiratory depression, the risk of Addiction, Abuse, and Misuse, and strict contraindications in certain age groups (e.g., under 12) and patients with specific pre-existing conditions.

Q: Can a child take Tusigen Infantil if they have kidney issues?

Official regulatory labeling requires caution and careful consideration for use in patients with hepatic or renal impairment (issues with the liver or kidneys). This is because the body relies on these organs to process and eliminate the medicine's components.

Q: Is Tusigen Infantil meant for dry cough or chesty cough?

The preparation contains an antitussive (cough suppressant), which is intended for the relief of cough, typically associated with dry or non-productive coughs. Official regulatory guidance notes that the type of cough can be confusing to identify, suggesting the need for clarification.

Q: Does Tusigen Infantil affect school performance or concentration?

The product's official label states that it can impair mental and physical performance. This is due to documented side effects such as sedation, drowsiness, and mental clouding, which may potentially affect a child's concentration.

Q: Can Tusigen Infantil be used for a persistent cough?

The official duration of use for this medicine is typically limited. Official documents advise that continuous use should not exceed a short period (e.g., five days) without professional guidance.

Q: What is the maximum number of days a child should use Tusigen Infantil?

The official duration of use is typically limited and should not exceed the period recommended by a prescriber. Official documents often restrict continuous use to a brief period, frequently citing a limit of not more than five days without specific guidance from a healthcare professional.

Q: Can a child develop tolerance to Tusigen Infantil?

Official information indicates the codeine component may become habit-forming and cause physical or mental dependence when used for a long time or in large doses. This potential for dependence is related to the development of tolerance to the medication's effects.

Q: What are the long-term effects described for Tusigen Infantil?

Official warnings regarding the codeine component specifically highlight the potential for long-term safety concerns. These include the risk of Addiction, Abuse, and Misuse, which are associated with prolonged use beyond the recommended duration.

Q: Is Tusigen Infantil a steroid or a decongestant?

The official product classification is an Upper Respiratory Combination with Antitussive, Antihistamine, and Decongestant actions. Based on the documented active ingredients, it does not contain a steroid component.

Q: What does official guidance say about the use of Tusigen Infantil in toddlers?

Official guidance defines separate regimens for different pediatric age groups. However, some formulations are contraindicated (prohibited) for use in children under two years of age, and all are restricted due to the codeine component for those under twelve.

Q: What research themes are commonly examined for the active ingredient in Tusigen Infantil?

Research themes commonly examined for the active ingredients include evaluating their efficacy (how well they work) and safety profile. Specific focus is often placed on the potential for serious adverse events such as respiratory depression and opioid toxicity in children.

Q: Can Tusigen Infantil be used for a cough caused by allergies?

The product includes an antihistamine (Chlorpheniramine) which is classified as a histamine H1-receptor antagonist. This component is specifically intended to reduce symptoms often associated with allergic responses, such as a runny nose or watery eyes.

Q: Can Tusigen Infantil interfere with sleep?

Common adverse effects documented in the official safety information include sedation and drowsiness. These central nervous system effects are known to have the potential to interfere with normal sleep patterns.

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How should Tusigen Infantil be stored and disposed of?

How to Store and Dispose of Tusigen Infantil?

Official regulatory guidelines for this combination oral liquid emphasize specific conditions to ensure its stability and safe handling.


Storage Conditions

Tusigen Infantil must be stored at controlled room temperature, typically between 20 C and 25 C. It is mandatory to keep the product in its original container and protect it from light and moisture to prevent degradation. The regulatory label explicitly states that the product must not be frozen.

Child-Safety and Disposal

As a product containing codeine, the preparation must be stored strictly out of the sight and reach of children to prevent accidental exposure. Disposal instructions require that any unused or expired medication must be discarded in accordance with local regulations for pharmaceutical waste, which means it should not be disposed of via household trash or wastewater systems.

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

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