Lasolvan

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Lasolvan

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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 Lasolvan

Property Description
Active ingredient Ambroxol hydrochloride
Form Tablets, syrup, solution for inhalation
Pharmacological class Mucolytic and Secretolytic Agent
Common use Facilitating the clearance of airway secretions
Origin Synthetic derivative

Identity, Classification, and Composition of Lasolvan

Lasolvan is a synthesized pharmaceutical product whose primary therapeutic action is derived from its sole active ingredient, Ambroxol hydrochloride. It is formally classified as a secretolytic and mucolytic agent, defining its core action as altering the properties of mucus within the respiratory system. Ambroxol, which is a synthetic derivative of Bromhexine, is an established agent used to modify the viscosity of bronchial secretions. This classification ensures standardized, predictable effects on the airways, which is clinically recognized for its role in respiratory support.


Physical Forms and Routes of Administration

The medicine is manufactured in several specialized pharmaceutical preparations to enable diverse routes of administration. These forms include solid preparations such as tablets and lozenges for ingestion, as well as liquid formats like syrup and specialized aqueous solutions for oral administration. Notably, it is also available as a solution for inhalation, a distinctive feature that allows for direct delivery to the bronchial passages, optimizing its efficacy in the lungs. This wide range of forms permits appropriate usage across various age groups, from pediatric to adult patients, according to professional guidance.


General Function and Primary Benefit

The overall purpose of Lasolvan is to promote the efficient evacuation of secretions from the lower respiratory tract. Its action as a secretolytic agent is aimed at managing conditions involving the production of pathologically viscous mucus which is otherwise difficult to cough up. Ambroxol acts to decrease the viscosity and adhesiveness of mucus, leading to improved flow and transport in the bronchi. For the patient, this mechanism generally assists in the thinning and mobilization of tenacious secretions, providing relief from the discomfort associated with a persistent, obstructed cough.

What side effects are possible with Lasolvan?

Possible Side Effects and Safety Information

Adverse reactions associated with Ambroxol hydrochloride (Lasolvan) are categorized by frequency and the body system affected, consistent with classification standards used by official regulatory authorities. This categorization establishes the medicine’s regulatory safety profile.

Frequency-Classified Adverse Reactions

Side effects are categorized by how often they are officially reported:

  • Common (affecting 1 to 10 users in 100): Gastrointestinal effects such as nausea, and nervous system effects including altered taste (dysgeusia), oral hypoesthesia, and pharyngeal hypoesthesia.
  • Uncommon (affecting 1 to 10 users in 1,000): Other gastrointestinal disturbances, including vomiting, diarrhoea, dyspepsia, abdominal pain, and dry mouth.
  • Rare (affecting 1 to 10 users in 10,000): Hypersensitivity reactions, rash, and urticaria (hives).

Serious Adverse Reactions

The most serious reactions reported, though often categorized with an unknown frequency, involve the immune system and the skin. These include severe allergic responses, specifically anaphylactic reactions (including shock), and angiooedema (swelling). Additionally, rare reports of severe skin reactions (Severe Cutaneous Adverse Reactions or SCARs) such as Stevens-Johnson syndrome and toxic epidermal necrolysis are noted in regulatory safety data.

Safety Considerations for Organ Function

Official labeling includes safety constraints related to underlying health status. The medicine requires cautious administration in patients with severe renal impairment or severe hepatic impairment, as the drug's metabolism and elimination pathways may be compromised in these conditions, a key factor in regulatory safety assessment.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for an overdose of Ambroxol hydrochloride (Lasolvan) is primarily based on manifestations that are consistent with its known adverse effects. Severe symptoms have not commonly been recorded in humans, though severe poisoning effects are noted in cases of extreme exposure, including the expectation of hypotension (low blood pressure) based on pre-clinical data.


Documented Overdose Manifestations

Manifestation Type Examples Documented in Labeling
Gastrointestinal Effects Nausea, vomiting, diarrhea, abdominal pain, dyspepsia (indigestion), and pyrosis (heartburn).
Systemic Effects Short-term anxiety or restlessness and excessive saliva secretion (sialorrhea).

Required Emergency Actions and Management

The primary action required for suspected overdose or accidental excessive intake is to consult a doctor, pharmacist, or physician immediately for evaluation. Regulatory documentation confirms that no specific antidote is known for this medication.

Consequently, management is defined as symptomatic and supportive treatment. Specific procedures, such as gastric lavage or the administration of an antiemetic, may be considered, but these are typically reserved for documented cases of very high overdose. Furthermore, the expectation of accumulation of hepatic metabolites in patients with severe renal impairment is an explicit population-specific consideration for overdose management. The label also requires treatment to be discontinued immediately and medical advice sought if signs of a progressive skin rash appear.

Therapeutic Uses of Lasolvan

What Lasolvan Treats: Main Uses and Benefits

Lasolvan may be commonly used across therapeutic areas where respiratory function is challenged by abnormal or excessive mucus. The therapeutic relevance in secretolytic therapy and for pain relief in acute sore throat is generally supported by clinical understanding.

The medication is considered relevant for managing symptoms related to acute and chronic bronchopulmonary diseases, such as acute bronchitis, COPD, and situations requiring supportive relief, like perioperative prophylaxis. It helps address symptom clusters that may become intense or disruptive, specifically difficult expectoration, viscid phlegm, and obstructed cough. Furthermore, it is utilized to provide localized symptomatic relief for acute sore throat pain.

“This supportive therapy assists with maintaining functional stability when symptoms interfere with routine activities.”

By easing the manifestations of tenacious secretions, this medicine assists the patient during difficult episodes by easing distress and supports general well-being during symptomatic phases.

Quick Fact: Symptomatic support for Difficult Expectoration

Regulatory References

  1. European Medicines Agency (EMA) assessment report

Eligibility and Restrictions for Use

Lasolvan (Ambroxol) eligibility is strictly defined by regulatory documents, excluding certain populations and requiring caution for others based on age, physiological state, and existing health conditions.

Eligibility Scope

Scope Area Official Regulatory Status
Populations for whom use is contraindicated Individuals with known hypersensitivity to ambroxol or any excipients; patients with rare hereditary problems of sugar intolerance (e.g., fructose intolerance, due to excipients).
Age-related eligibility rules Contraindicated for children under 2 years of age for most oral solutions/syrups; not recommended for children under 12 for certain solid forms (e.g., lozenges).
Pregnancy and lactation eligibility Not recommended during the first trimester of pregnancy; not recommended for use by nursing mothers (lactation).

Eligibility-Related Restrictions

Use requires caution or special medical consideration in patients with:

  • Severe Renal or Hepatic Impairment: Clearance of metabolites may be reduced, potentially requiring lower doses or longer intervals.
  • Peptic/Duodenal Ulcers: Caution is advised due to the potential effect of mucolytics on the gastric mucosal barrier.
  • Compromised Airways Motility: Use with caution (e.g., in cases of primary ciliary dyskinesia) due to the risk of mucus obstruction.

Official Eligibility Structure

The regulatory profile mandates absolute exclusion for hypersensitivity and certain hereditary metabolic conditions. It defines conditional use and restrictions based on the patient's capacity to metabolize and eliminate the drug, as well as the need to avoid use in vulnerable physiological states like early pregnancy.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section summarizes the officially documented interaction patterns of Ambroxol hydrochloride based on government regulatory information. The interaction profile highlights specific pharmacodynamic restrictions and pharmacokinetic modifications.

Pharmacodynamic Interaction Restriction

Co-administration with cough suppressants (antitussives) is not recommended. This restriction is documented due to a pharmacodynamic interaction where the suppressed cough reflex impedes expectoration. This may cause the accumulation of thinned secretions and carries the potential risk of leading to a serious obstruction of the airways.

Exposure Modification of Other Medicines

Ambroxol co-administration results in a documented exposure modification of certain antibiotics. The concentration of specific antibiotics, including amoxicillin, cefuroxime, erythromycin, and doxycycline, is observed to increase within bronchopulmonary secretions (mucus and sputum). For all other medicinal products not explicitly listed, official regulatory summaries note that no clinically relevant unfavourable interactions have been reported.

Population-Specific Caution

A population-specific pharmacokinetic consideration is documented for patients with severe organ impairment. The accumulation of Ambroxol metabolites is expected in individuals with severe hepatic impairment or renal impairment due to the reduced ability to clear these substances.

Mechanism of Action

Stimulating Mucus Fluidization and Transport

This mechanism targets Type II pneumocytes in the airways, acting as a secretagogue to induce the release of pulmonary surfactant . This increase in surfactant reduces the surface tension and viscosity of bronchial mucus, which facilitates transport by the cilia. This physiological effect increases the rate of mucociliary transport from the respiratory tract and contributes to the secretomotoric component of the drug's mechanism.


Localized Sensation Control and Anti-Inflammatory Action

Additionally, the drug functions as an inhibitor of voltage-gated sodium ( Na^+) channels on sensory nerves within the mucous membranes. By blocking the electrical signals, this peripheral action prevents the transmission of irritation signals, producing a rapid, local anesthetic effect leading to local hypoesthesia (reduced sensation). A separate mechanism involves the modulation of cellular pathways like NF-kappa B and the direct scavenging of Reactive Oxygen Species (ROS), resulting in a reduction of local inflammatory processes and oxidative damage in the respiratory tissue.

Dosage and Administration Information

Official Administration Guidelines

Lasolvan (Ambroxol hydrochloride) is approved for administration via multiple routes, including oral ingestion (as tablets, syrup, lozenges, or prolonged-release capsules), inhalative use via nebuliser solution, and specialized intravenous infusion.

The standard adult regimen for immediate-release forms begins with a higher frequency, typically 30 mg taken three times per day for an initial period of 2 to 3 days. This starting schedule is followed by a maintenance phase of 30 mg administered twice daily. The daily total should generally not exceed 120 mg, and treatment for acute conditions is typically short-term. In contrast, the 75 mg prolonged-release capsule is administered once daily.

Official instructions mandate that liquid forms be measured using the provided device for accuracy. Additionally, prolonged-release capsules must be swallowed whole and must not be crushed or chewed, regardless of whether the medicine is taken with or after food. Standardized use requires dosage modification for certain patient populations; specifically, individuals with severe renal or hepatic impairment require a reduced dose or an extended interval between administrations.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Lasolvan


Evidence for Secretolytic Therapy in Respiratory Conditions

Lasolvan was studied for its use in patients with conditions where symptoms may vary in intensity, such as acute bronchitis and Chronic Obstructive Pulmonary Disease (COPD). The evidence base includes a large number of Randomized Controlled Trials (RCTs) and systematic reviews which was evaluated in research examining the pattern of symptoms in these conditions. These studies were conducted during periods of increased symptom activity and research examined symptoms such as expectoration difficulty and cough severity over defined time intervals. Research explored whether the medicine was observed in some studies to correlate with changes in sputum characteristics and outcomes related to physical discomfort (clearing secretions). Findings describe patterns observed in the studies related to sputum characteristics and the flow of mucus.

Despite the breadth of the research, long-term effects are not fully established. Evidence is limited regarding the sustained outcomes reflecting daily functioning or activity level. Additionally, some older studies used for historical assessments may not meet the same rigorous standard because evidence quality varies across studies of modern clinical trials.


Evidence for Symptomatic Relief of Acute Sore Throat Pain

Lasolvan was evaluated in studies relevant in trials assessing short-term or episodic symptom patterns related to physical discomfort associated with acute, uncomplicated sore throat. The evidence base was evaluated in short-term, placebo-controlled RCTs and Meta-analyses. These trials research examined the measurements of outcomes related to physical discomfort (pain intensity) over defined time intervals in the observed populations.

The synthesis of research for this evidence described patterns which appeared to be consistent across multiple studies observing responses over defined time intervals. However, a key limitation is that follow-up durations were limited. Research exploring short-term symptom changes mainly focused on the first three hours post-administration, meaning there is limited information for long-term outcomes or sustained relief beyond that brief acute phase.


Evidence Gaps and Areas of Uncertainty

Research has explored the medicine in specific groups, including children (infants up to older pediatric groups) and hospitalized older adults. These studies contribute to the broader evidence landscape for use across the age spectrum. However, data for certain groups remain insufficient when considering specific comorbidities. The research landscape has several areas where certainty remains low or where evidence is incomplete, particularly regarding long-term outcomes.

Frequently Asked Questions (FAQ)

Common questions about Lasolvan (FAQ)

Q: How quickly should I expect to feel the effects of Lasolvan after taking a dose?

According to official product information, the onset of action following oral administration is generally documented to begin after about 30 minutes. This is when the medication starts working to modify the mucus and promote its clearance.

Q: Is there a maximum number of days or a duration Lasolvan is typically recommended for?

Regulatory guidance suggests that for over-the-counter use, treatment periods are typically limited to 7 to 10 days. Continuing use beyond this period is determined by a healthcare provider.

Q: Are there different forms of Lasolvan, such as tablets, syrup, or drops, and do they work differently?

Lasolvan is available in several pharmaceutical forms, including tablets, syrups, and prolonged-release capsules, which allow for different routes of administration. While the method of taking the medicine varies by form (e.g., swallowing vs. measuring liquid), the core mucolytic and secretolytic mechanism of the active ingredient remains consistent across these forms.

Q: Why do official documents mention the possibility of serious skin reactions with Lasolvan?

Regulatory safety data notes that rare but serious skin reactions, such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), have been reported. Official documentation advises that any signs of a skin rash or reaction should be immediately reported to a healthcare provider.

Q: Can Lasolvan be taken at the same time as multi-symptom cold and flu medications?

Official information advises against co-administering Lasolvan with cough suppressants, which prevent coughing, as this may lead to an accumulation of secretions. For most other medications, no clinically relevant unfavorable interactions have been broadly reported. However, specific product labels should always be checked for detailed interaction information.

Q: Does Lasolvan contain sugar or sweeteners, and is it suitable for diabetics?

Some formulations contain excipients like Sorbitol and are officially contraindicated for individuals with rare hereditary fructose intolerance. However, specific sugar-free ambroxol formulations are manufactured and marketed as suitable for diabetics. It is necessary to review the excipient list on the package for the specific product being used.

Q: What are the common early signs of an allergic reaction to Lasolvan that patients should know?

Regulatory information describes signs of a drug allergy that should be reported immediately. These may include swelling of the face, lips, tongue, or throat (angiooedema), difficulty breathing, or the appearance of widespread itchy skin rashes. These types of reactions indicate the need for prompt evaluation by a healthcare provider.

Q: Is Lasolvan generally supposed to be taken with food, or is an empty stomach fine?

Tablets and syrups are generally recommended in official product information to be taken after food to help minimize potential gastrointestinal discomfort. Prolonged-release capsules are typically flexible and may be taken either with or without food.

Q: Can the positive effects of Lasolvan last throughout the day even with fewer doses?

The effect of a single oral dose is documented in pharmacological summaries to persist for 6 to 12 hours. This duration guides the recommended dosing frequency to maintain consistent therapeutic levels throughout the day.

Q: Does the Lasolvan formulation contain common ingredients like lactose or gluten?

Some tablet formulations list lactose as an excipient. Reviewing the full ingredient list is necessary for individuals with known allergies or intolerances to excipients like lactose or gluten.

Q: Is it safe to crush Lasolvan tablets or mix the liquid with other drinks if swallowing is difficult?

Official instructions mandate that prolonged-release capsules must be swallowed whole and should not be crushed or chewed. For immediate-release tablets or liquid formulations, instructions provided by the manufacturer or a pharmacist must be followed.

Q: Does Lasolvan help dry cough or only wet cough?

Lasolvan is classified as a secretolytic and mucolytic agent and is indicated for conditions associated with abnormal, thick, or excessive mucus secretion. It is therefore generally intended for use with a wet, productive cough to help facilitate mucus clearance.

Q: Is it necessary to drink extra water or liquids when using Lasolvan?

Patients are generally advised in official guidance to take the medication with plenty of water or fluids. This practice is thought to complement the drug's action in loosening mucus effectively.

Q: Does taking Lasolvan commonly cause drowsiness or make you feel sleepy?

Pharmacological data indicates that the active ingredient, ambroxol, does not have significant direct effects on the central nervous system. Drowsiness or sleepiness is not typically listed as a common adverse reaction in official safety profiles for the single-ingredient formulation.

Q: Are there any specific foods, vitamins, or drinks that should be avoided when taking Lasolvan?

Regulatory guidance advises avoiding taking the medication with alcoholic beverages or fruit juices. These are advised against because they may potentially reduce the effectiveness of the drug in modifying mucus.

Q: Does Lasolvan typically make a cough feel worse before it starts to improve?

Some safety profiles note that some users may experience a temporary increase in mucus production or a temporary worsening of symptoms. This can occur as the drug begins its action of thinning the mucus to prepare it for clearance.

Q: What is the approximate half-life of Lasolvan in the body?

Pharmacokinetic data available in official documents indicates that the terminal elimination half-life of ambroxol in the plasma is documented to be approximately 7 to 12 hours. This time frame describes how long the body takes to reduce the amount of the drug by half.

Q: Can Lasolvan be taken by someone who has a history of asthma or airway hyperreactivity?

Regulatory documents indicate that use requires caution and special consideration in patients with pre-existing asthma, especially severe uncontrolled asthma. This is due to the potential, though rare, risk of obstruction.

Q: Why do some people in online forums complain that Lasolvan gives them a headache?

While not consistently classified as a common adverse effect in all regulatory lists, headache has been reported as an adverse reaction by some users. Such reports contribute to the safety data maintained by regulatory bodies.

Q: Does Lasolvan cause any noticeable changes in heart rate or blood pressure?

Changes in heart rate, such as rapid heartbeat or palpitations, and changes in blood pressure have been noted as rare side effects in the official safety profile. Patients are advised to look for any signs of these uncommon effects.

Q: What is the recommended procedure if a dose of Lasolvan is accidentally missed?

Official patient information states that if a dose is missed, it should be taken as soon as the patient remembers. However, if it is almost time for the next scheduled dose, the missed dose should be skipped entirely. The dose should never be doubled.

How should Lasolvan be stored and disposed of?

Storage and Disposal Requirements for Lasolvan

The storage and disposal of Lasolvan (ambroxol hydrochloride) must strictly follow official regulatory instructions to maintain product quality and safety.

Storage Conditions

Requirement Official Instruction
Temperature Store generally below 30 °C and away from heat. Certain liquids must not be refrigerated.
Protection Protect from light and moisture.
Container Keep the product in its original package and ensure the container is tightly closed.
Stability Use liquid formulations within the labeled in-use period (e.g., 6 months after first opening).
Child Safety Keep out of the sight and reach of children.

Disposal

Unused or expired Lasolvan must not be thrown away with household garbage or poured into wastewater or drains.

Disposal must be completed in accordance with local regulations, often by returning the medicine to a pharmacy for safe handling as pharmaceutical waste.

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

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