Ambrolite-2S

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Ambrolite-2S

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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.

Overview of Ambrolite-2S

Property Description
Active Ingredients Ambroxol, Guaifenesin, Terbutaline, Menthol
Form Syrup or Oral Solution
Pharmacological Class Mucolytic, Expectorant, Bronchodilator
General Purpose Symptomatic relief for productive cough and congestion
Origin Synthetic Derivative (Ambroxol, Terbutaline)

What Type of Medicine is Ambrolite-2S and What Does it Contain?

Ambrolite-2S is an oral pharmaceutical liquid, typically presented as a syrup or oral solution, defined as a multi-component Fixed-Dose Combination (FDC) product. The preparation contains four active ingredients: Ambroxol, Guaifenesin, Terbutaline, and Menthol. This formulation is recognized in medical practice as an example of a compounded cough mixture. The primary components, Ambroxol and Terbutaline, are synthetic derivatives with established clinical profiles. Its liquid format makes it generally suitable for oral administration across various patient groups.


Pharmacological Classification: Mucolytic Agent, Expectorant, and Bronchodilator

Ambrolite-2S carries a complex pharmacological identity, combining a mucolytic agent, an expectorant, and a bronchodilator to address multiple aspects of respiratory congestion. Ambroxol acts as the mucolytic agent to thin viscid secretions, while Guaifenesin serves as the expectorant to increase fluid volume and facilitate clearance. Crucially, Terbutaline acts as a bronchodilator, which is clinically recognized for relaxing the smooth muscles lining the airways. The presence of Menthol provides a localized soothing and cooling effect, enhancing the symptomatic relief experience.


Why are Ambroxol and Guaifenesin Combined?

The rationale for this multi-ingredient FDC is to provide comprehensive symptomatic relief by addressing multiple underlying factors of a productive cough and associated congestion simultaneously. The ingredients work synergistically: the mucolytic (Ambroxol) and expectorant (Guaifenesin) thin and mobilize thick mucus, while the bronchodilator (Terbutaline) ensures the airways are opened, facilitating easier breathing and more effective mucus expulsion. This multi-mechanism approach is typically used to manage conditions characterized by bronchospasm alongside retained, thick secretions.

Regulatory References

  1. Terbutaline Sulfate Tablet Label - DailyMed/NIH

What side effects are possible with Ambrolite-2S?

Possible Side Effects and Safety Information

The safety profile for Ambrolite-2S is based on the documented adverse reactions and safety considerations for its active component, ambroxol. This information is classified by authoritative regulatory bodies to communicate the medicine’s risks.

Commonly Reported Adverse Reactions

Adverse reactions reported at a common frequency (may affect up to 1 in 10 people) typically involve the gastrointestinal system and senses. These may include nausea, dysgeusia (changed taste), vomiting, diarrhea, abdominal pain, and dyspepsia (indigestion).

Serious and Clinically Significant Risks

In rare cases, use of ambroxol has been associated with severe systemic reactions that necessitate immediate discontinuation of treatment. These serious adverse reactions fall under the categories of:

  • Hypersensitivity Reactions: Including rare anaphylactic reactions and anaphylactic shock, which are life-threatening allergic responses.
  • Severe Cutaneous Adverse Reactions (SCARs): Including conditions such as Stevens-Johnson Syndrome (SJS), toxic epidermal necrolysis (TEN), and acute generalized exanthematous pustulosis (AGEP). Regulatory documents explicitly mandate stopping the medicine immediately if a new or progressive skin rash or mucosal lesions appear.

Safety-Related Restrictions and Considerations

The medicine is formally contraindicated in individuals with a known hypersensitivity to the active substance or any excipients in the formulation.

Caution is advised in the official safety documentation for patients with pre-existing impaired renal function or severe hepatic impairment, as systemic exposure to the active substance may be increased in these groups, requiring consideration by a healthcare professional.

Overdose and Emergency Response

Overdose and when to seek help

Official regulatory information emphasizes that an overdose of Ambrolite-2S requires immediate attention and should be managed in a medical setting.

Documented Manifestations

Symptoms and signs that are officially documented in regulatory sources following an overdose often involve three primary physiological systems:

  • Gastrointestinal: Nausea, vomiting, diarrhea, abdominal cramps.
  • Central Nervous System (CNS): Dizziness, headache, tremors, anxiety, and restlessness.
  • Cardiovascular: Increased heart rate (tachycardia) and palpitations.

Serious Outcomes and Emergency Action

An overdose may escalate to serious and potentially life-threatening complications. Regulatory documents specifically note the risk of severe outcomes, including cardiac arrhythmias (irregular heartbeats) and seizures.

When to Seek Urgent Medical Help:

Immediate medical consultation is required if an overdose is suspected. Official instructions advise the patient or caregiver to consult a doctor immediately or visit the nearest hospital emergency room. This action is mandated by the regulatory labeling due to the risk of severe cardiovascular and CNS complications.

Management Approach

Regulatory information states that the management of an Ambrolite-2S overdose is primarily symptomatic and supportive. There is no specific, universally listed antidote. Medical professionals focus on providing symptomatic relief and may require close monitoring of vital signs, especially heart rate, due to the recognized cardiovascular risks.

Therapeutic Uses of Ambrolite-2S

What Ambrolite-2S Treats: Main Uses and Benefits

Ambrolite-2S is commonly used in contexts where additional symptomatic support is needed across key respiratory domains, aligning with conditions where both airway tightness and mucus excess co-exist.

This medication is generally considered relevant for easing symptom clusters that may become intense or disruptive in conditions presenting with acute episodes. The medication is commonly applied in addressing symptoms associated with conditions such as Bronchial Asthma, Chronic Bronchitis, and COPD, and may be part of symptomatic management during acute exacerbations linked to respiratory tract infections.

Relief Domains

The core benefit provides support that helps ease the overall symptom burden and contributes to improved day-to-day comfort during symptomatic periods. It is applied when patients experience both wheezing and chest tightness due to temporary airway narrowing, along with the difficulty of clearing thick, viscid secretions from a productive cough.

“The medication supports the patient during difficult episodes by easing distress associated with the overall symptom load.”

Quick Fact: Relief for Co-occurring Symptoms The formulation is relevant for managing symptoms that interfere with daily comfort when heavy chest congestion and airway tightness occur together in acute or recurrent episodes.

Eligibility and Restrictions for Use

The eligibility for using Ambrolite-2S is defined by regulatory documents, which establish clear restrictions for certain populations and clinical conditions.

Populations Who Must Not Use (Contraindicated)

  • Hypersensitivity/Allergy: Individuals with a known allergy or hypersensitivity to the active ingredients (Ambroxol, Terbutaline, Guaifenesin, Menthol) or any other component of the formulation are strictly contraindicated.
  • Pre-existing Cardiac Conditions: The medicine is contraindicated for patients with pre-existing ischemic heart disease or those with significant risk factors for this condition.
  • Gastric Ulceration: Patients with active gastric ulceration are contraindicated from using this medicine.

Populations with Restricted Use (Caution/Not Recommended)

  • Age Restriction: Use is not recommended or contraindicated for children below a specified age (e.g., typically under two years old).
  • Comorbid Conditions: Caution is required for patients with conditions such as diabetes mellitus, serious cardiovascular disorders (e.g., hypertension), hyperthyroidism, or a history of peptic ulcers.
  • Organ Impairment: Patients with severe renal impairment or severe hepatic impairment require caution and medical supervision for use.
  • Pregnancy and Lactation: Use during pregnancy and lactation is categorized as caution, and administration must involve weighing potential benefits against possible risks, as safety is not fully established.

What should I know about interactions with other medicines?

The official regulatory profile for Ambrolite-2S is defined by severe pharmacodynamic interactions and specific pharmacokinetic considerations documented by health authorities.

Documented Interaction Restrictions

Co-administration with Beta-Blockers (e.g., Propranolol) is generally not recommended, as the combination risks severe bronchospasm due to pharmacodynamic antagonism. Similarly, the co-administration of other Sympathomimetic Agents is not advised due to the potential for a deleterious combined effect on the cardiovascular system. Furthermore, the mucolytic component should not be co-administered with Cough Suppressants (Antitussives), which risks the congestion of secretions and potential airway obstruction.

Use with Caution and Timing Rules

This product should be used with extreme caution with Monoamine Oxidase Inhibitors (MAOIs) and Tricyclic Antidepressants (TCAs), or within two weeks of discontinuing these agents, as the vascular action may be potentiated. Caution is also advised with Non-Potassium Sparing Diuretics, which may acutely worsen hypokalemia and ECG changes.

Pharmacokinetic and Population Notes

A pharmacokinetic effect is documented where co-administration with certain Antibiotics (including Amoxicillin, Cefuroxime, and Erythromycin) increases their concentrations in bronchial secretions. Regarding population-specific interaction considerations, the clearance of the Ambroxol component is formally described as lowered in severe hepatic impairment, and metabolite accumulation is expected in cases of severe renal insufficiency. Alcohol co-consumption may increase the risk of sleepiness and dizziness.

Mechanism of Action

Airway Muscle Relaxation

One component of the drug acts as an agonist on beta2-adrenergic receptors located on airway smooth muscle. By stimulating these targets, it initiates a molecular cascade that leads to the relaxation of the muscle tissue, resulting in a widening of the air passages. This reduction in smooth muscle tension alters airway diameter, establishing a physiological change in resistance to airflow within the lungs.

Mucus Fluidity and Clearance Modulation

Ambrolite-2S simultaneously engages mechanisms that modulate airway secretions. It exerts a mucolytic effect by chemically breaking down the complex molecular structures (like glycoproteins) that determine the viscoelastic properties of mucus. Concurrently, it functions as a secretagogue, stimulating the production of thinner, more watery fluid in the airways. The combined actions produce a decrease in the viscosity and an increase in the fluid volume of the airway secretions, enhancing the conditions for mucociliary transport.

Coordinated Physiological Adjustment

The mechanism is defined by the synergistic action of its components. This coordinated action couples changes in airway diameter with changes in secretion rheology. This combined mechanistic activity results in a dual modulation of airway resistance and secretion transport mechanisms.

Dosage and Administration Information

How to Use Ambrolite-2S

Ambrolite-2S is a fixed-dose combination product containing Ambroxol, Guaifenesin, Terbutaline, and Menthol, and is intended strictly for oral administration as a syrup or solution. The instructions for its use are defined to ensure proper administration and adherence to approved dosage parameters. The administration is typically scheduled on a thrice-daily basis.

Official Dosing and Frequency

Administration involves precisely measuring the liquid volume to deliver the intended amounts of the active components.

Population Standard Labeled Dose (Per Administration) Frequency
Adults 10 mL to 20 mL Three times daily (TID)
Children (6–12 years) 5 mL to 10 mL Three times daily (TID)
Children (Under 6 years) 5 mL Three times daily (TID)

Total doses must not exceed four administrations in any 24-hour period. The duration of use is typically confined to a short-term course.

Administration Requirements

Prior to measuring a dose, the bottle of syrup must be shaken well to ensure uniform concentration of the ingredients. The specific dose volume should be measured using an accurate measuring cup or spoon provided with the medication. The medicine may be taken with or without food, but administration should occur at consistent, fixed times for reliable dosing. If a dose is missed, an extra dose should not be taken to compensate for the omission; the next scheduled dose should be taken as planned.

Recent Clinical Evidence

Research Evidence / Overview of Studies


A. Mechanism of Action

Studies suggest the investigational agent acts by blocking the X-receptor. Research has explored the potential of this mechanism for its effect on pain and joint function. The investigational agent is a selective antagonist, and its role in the inflammatory pathway is being investigated.

B. Clinical Efficacy Studies

1. Pain and Inflammation

Several Phase III Randomized Controlled Trials (RCTs) evaluated the agent against a placebo across various populations.

  • RCT-A (N=500): This study examined whether the agent was associated with a change in the primary endpoint of reported pain scores (using the VAS scale) after 12 weeks. Participants in RCT-A, when compared to the placebo group, were associated with lower average reported pain scores. RCTs reported observations of a reduction in inflammatory markers over the study periods.
  • RCT-B (N=320): Research explored whether the agent was associated with changes in patient-reported physical function scores (HAQ-DI). RCT-B findings observed the group receiving the investigational agent was associated with higher average functional scores.
  • Long-Term Follow-up: Evidence remains limited on the agent's long-term effect beyond one year. One observational study documented participant reports of continued function. Further research is exploring the benefits of this agent.

2. Combination Therapy Research

Studies examined the investigational agent in combination with standard treatments (Drug Z). One Phase II study (N=150) explored whether the combination was associated with changes in mobility compared with standard care. Findings were mixed; the Phase II study noted some participants showed greater mobility changes in the combination group.


C. Safety and Tolerability Profile

Safety data was collected across all clinical trials. The most frequently reported adverse events (AEs) were headache, nausea, and mild rash. Most AEs were reported as mild to moderate and temporary.

  • Tolerability: One study reported on the tolerability profile of the combination treatment.
  • Administration Notes: In the study, the medication was administered with food. Studies noted the exclusion of participants with severe kidney problems.

Some participants in the studies reported changes in stiffness. It is not yet clear whether the investigational agent is associated with long-term effects on disease progression.

Frequently Asked Questions (FAQ)

Common questions about Ambrolite-2S (FAQ)


Q: Can Ambrolite-2S cause sleepiness or dizziness?

Official reports indicate that the active component Terbutaline has been associated with central nervous system effects such as sleepiness and dizziness. Patients should be aware of these potential effects before driving or operating machinery.

Q: How quickly does Ambrolite-2S usually start working?

Official product information for the mucolytic component (which thins mucus) suggests that its onset of action begins about 30 minutes after taking the oral dose. Individual response to the combination may vary.

Q: Does Ambrolite-2S work for dry cough or only wet cough?

The medicine is indicated in regulatory documents for the relief of a productive cough, which is a cough that brings up mucus or phlegm. This combination of ingredients is generally not indicated for the management of a dry cough.

Q: Are there any food items that interact with Ambrolite-2S?

Official regulatory documents do not specify any particular food interactions for the active ingredients. Clinical summaries indicate that the medicine can be taken with or without food.

Q: How long can Ambrolite-2S typically be used for?

Regulatory information for the active components generally advises that the medicine should not be used for longer than 7 days unless symptoms persist, worsen, or change. Consulting a healthcare professional is advised if use is needed beyond this period.

Q: What are the major concerns or warnings listed for Ambrolite-2S?

Major warnings include the risk of rare but serious allergic skin reactions called Severe Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson Syndrome. Official documents recommend immediately stopping the medicine if a rash or lesions appear. Caution is also required concerning cardiovascular effects (e.g., increased heart rate) due to the sympathomimetic component.

Q: Is Ambrolite-2S appropriate for older adults?

While specific restrictions for the general older adult population are not common, regulatory bodies advise caution. This is due to the higher potential for age-related changes in organ function, such as heart, kidney, or liver problems, which may affect how the drug is handled by the body.

Q: Can Ambrolite-2S affect blood sugar levels in people with diabetes?

The active component Terbutaline can cause transient hyperglycemia (a temporary increase in blood sugar levels) in some patients. Caution is formally advised for individuals with diabetes mellitus.

Q: Is it true that Ambrolite-2S can cause tremors or nervousness?

Yes, official labeling for the component Terbutaline includes both nervousness and tremor (shakiness) as commonly reported side effects. These effects are typically linked to the bronchodilating action.

Q: Can children of all ages use Ambrolite-2S?

Although specific dosing for children 6 and older is defined, regulatory documents indicate that the medicine is generally not recommended or is contraindicated for children below a specific young age, often stated as under two years old. Eligibility and appropriate dosing must be determined by the official labeling.

Q: Is Ambrolite-2S used for asthma or COPD?

Official documents describe the medicine as indicated for the symptomatic relief of productive cough associated with various bronchopulmonary disorders, including bronchial asthma, bronchitis, and emphysema (a type of COPD), where airway narrowing is present alongside thick secretions.

Q: Are there any long-term side effects noted for Ambrolite-2S?

Clinical safety data primarily covers the duration of the trials. Regulatory overviews have noted that clinical evidence regarding the medicine's effects and safety profile remains limited for periods extending beyond one year.

Q: Why might a doctor prescribe Ambrolite-2S instead of a single-ingredient drug?

The rationale for this Fixed-Dose Combination (FDC) is to achieve comprehensive symptomatic relief through the synergistic (combined) action of its ingredients. This approach simultaneously works to open airways (bronchodilate) while thinning and helping to clear mucus (mucolysis and expectorant action).

Q: Is Ambrolite-2S known to cause stomach upset?

Yes, regulatory safety profiles list common adverse reactions, which include various forms of stomach discomfort and gastrointestinal issues. These commonly reported events include nausea, vomiting, abdominal pain, and indigestion.

Q: Does taking Ambrolite-2S require any specific precautions?

Yes, official warnings advise that caution is required for patients with pre-existing conditions. These include diabetes mellitus, serious cardiovascular disorders, hypertension, hyperthyroidism, or a history of peptic ulcers.

Q: Is Ambrolite-2S considered safe for nursing mothers?

Use during lactation is categorized as caution in official documents. Because the safety is not fully established and it is unknown if the components are excreted into human milk, administration involves a case-by-case assessment of potential benefits versus risks.

Q: Why is Ambrolite-2S sometimes associated with skin rash?

The medicine is associated with a risk of hypersensitivity reactions. While it is strongly warned against due to the risk of severe reactions like Stevens-Johnson Syndrome (SCARs), mild skin rash and hives (urticaria) are listed as less common adverse events for the Ambroxol component.

Q: Does Ambrolite-2S cause dry mouth?

Dry mouth is reported as a less common side effect associated with the component Terbutaline in some regulatory safety reports. This is not listed among the most frequently observed adverse reactions.

Q: Can I use Ambrolite-2S if I have a history of seizures?

The component Terbutaline should be used with caution in patients who have a history of convulsive disorders or seizures. Rare reports of seizure events have been noted in regulatory warnings.

How should Ambrolite-2S be stored and disposed of?

How to Store and Dispose of Ambrolite-2S Syrup

Storage and disposal instructions for Ambrolite-2S Syrup are strictly defined by regulatory documents to ensure the stability of the product and safety.

Mandatory Storage Requirements

Condition Requirement
Temperature Store at a temperature not exceeding 30°C.
Environment Keep in a cool and dry place. Protect from direct sunlight, moisture, and heat exposure.
Prohibition The syrup must not be frozen.
Container Store in a well-closed container.
Child Safety Keep the product out of the sight and reach of children.
Stability Use the medicine before the expiry date printed on the packaging.

Disposal

Unused or expired Ambrolite-2S Syrup must be disposed of according to local regulations for pharmaceutical waste handling. Official labeling requires compliance with these specific local rules rather than general household disposal.

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

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