Berea

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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 Berea

Property Description
Active ingredient Ambroxol (as Ambroxol hydrochloride)
Form Available as tablets, syrups, oral solutions, and inhalation solutions
Pharmacological class Mucolytic and Secretolytic agent
Common use Easing respiratory congestion and promoting mucus clearance
Origin Synthetic benzylamine derivative (chemically manufactured)

What is Berea and What Type of Medicine is it?

Berea is a medicinal preparation primarily used to support the management of respiratory conditions characterized by abnormally thick or excessive secretions in the airways. The preparation contains the single active ingredient, Ambroxol, a compound officially classified as a mucolytic and secretolytic agent. This classification places it within the group of mucoactive drugs focused on improving impaired mucus transport.

The general therapeutic goal of Berea is to directly assist the body in liquefying and clearing retained mucus, often serving as a key component in managing a productive cough. This action is clinically recognized as necessary for supporting the overall health of the respiratory tract.

Composition, Forms, and Origin of Ambroxol

The compound Ambroxol is a synthetic benzylamine derivative, chemically produced in a laboratory rather than being sourced directly from a natural material. This substance is the established active metabolite of the precursor drug bromhexine. Berea is formulated as a single-ingredient product and is available in multiple forms, including tablets, syrup for oral administration, oral solutions, and specific solutions intended for inhalation, catering to patients of varying age groups and preferences for delivery route.

The General Principle of Mucus Clearance

Ambroxol acts to significantly reduce the viscosity of mucus, effectively thinning the phlegm that contributes to congestion. Mucolytic agents like Ambroxol contribute to the improvement of symptoms related to secretion problems. This action indicates that the medicine helps make the mucus easier to expel, supporting clearer airways. Furthermore, the substance aids the function of ciliary motility and helps stimulate the release of pulmonary surfactant, a dual mechanism that is clinically recognized for restoring the respiratory system's natural self-cleansing capacity.

Regulatory References

  1. EMA referral for Ambroxol and Bromhexine

What side effects are possible with Berea?

Possible Side Effects and Safety Information

The safety characteristics of Berea, containing the active substance Ambroxol, are documented in official regulatory documents based on frequency and the physiological systems affected. These official classifications detail the spectrum of possible reactions reported during clinical use, ranging from common effects to rare but serious adverse reactions.

Adverse Reaction Frequency

Adverse effects are categorized using standard regulatory frequency classifications. The most frequently documented reactions are associated with the gastrointestinal system and sensory function:

  • Common (may affect up to 1 in 10 people): Nausea, diarrhoea, altered sense of taste (dysgeusia), and numbness of the mouth or throat (oral or pharyngeal hypoesthesia).
  • Uncommon (may affect up to 1 in 100 people): Vomiting, abdominal pain, indigestion (dyspepsia), dry mouth, and fever.
  • Rare (may affect up to 1 in 1,000 people): Hypersensitivity reactions, rash, and headache.

Serious Adverse Reactions

The regulatory profile explicitly documents the potential for rare, serious events whose frequency is classified as Not Known (cannot be estimated from available data). These include severe allergic responses such as anaphylactic reactions (including shock), angioedema (rapid swelling), and various Severe Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). These reactions involve the skin and underlying tissues.

Population-Specific Constraints

Official labeling includes safety considerations for certain patient groups. The medicine is not recommended for use during the first trimester of pregnancy or while breastfeeding. Caution is required when administering the medicine to individuals with severe renal or hepatic impairment or a prior history of peptic ulcers. A known contraindication is hypersensitivity to the active substance or its excipients.

Safety Restrictions

Regulatory safety notes advise that combining the medicine with cough suppressant agents carries a safety risk of airway obstruction due to the potential for accumulated secretions. Additionally, the medicine should not be used in individuals with conditions causing compromised airway motility.

Overdose and Emergency Response

Overdose with Berea (Ambroxol) has generally not been associated with the record of specific serious symptoms in human cases, according to official regulatory documentation. The clinical picture observed is typically consistent with an extension of the medicine’s known undesirable effects.

Documented Overdose Manifestations Regulator-Mandated Action
Gastrointestinal Disturbances: Diarrhea, nausea, vomiting, abdominal pain, indigestion (dyspepsia), and heartburn (pyrosis). Seek emergency medical treatment or consult a doctor immediately.
Transient Effects: Short-term restlessness. Immediate medical advice must be sought after taking more than the recommended dosage.

The documented symptoms are primarily non-severe. However, based on preclinical data, hypotension (low blood pressure) is anticipated only in instances of extreme overdosage.

Treatment for an overdose is mandated to be mainly symptomatic and supportive. Regulatory labeling confirms that no specific antidote is known for Ambroxol. Procedures like gastric lavage may be considered, but only in conditional situations such as a very high overdose and when performed within the initial two hours of ingestion. Following any overdosage event, patient observation must be ensured, as stated in the regulatory guidance.

Therapeutic Uses of Berea

What Berea treats: Main Uses and Benefits

The medicine may be part of symptomatic management for respiratory diseases involving mucus issues. Berea is used to address symptom clusters related to physical discomfort caused by viscid, excessive, or retained mucus in the airways, which often leads to a deep, productive cough and a feeling of chest congestion.

It helps address symptoms by assisting with the management of viscid secretions, which contributes to easing the overall symptom load and assists with maintaining functional stability during symptomatic periods. This medication is applied when appropriate in clinical settings that involve acute or unstable symptom patterns in conditions such as bronchitis, COPD, and certain respiratory infections where mucus problems are prominent. It offers supportive therapeutic benefit during these episodes and is relevant for managing symptoms in both adults and children.

“By assisting with the clearance of secretions, the medicine helps maintain a sense of stability when symptoms create noticeable physiological strain.”

By assisting with the clearance of secretions, the medicine contributes to improved comfort. It is also applied in contexts where additional support for easing local throat irritation is needed.


Quick Fact: Relief for Congestion and Difficult Cough

Berea is relevant when supportive symptom management is appropriate for conditions characterized by thick, difficult-to-clear mucus, helping patients cope more steadily with symptom fluctuations.

Regulatory References

  1. European Medicines Agency guidance

Eligibility and Restrictions for Use

The eligibility for using Berea is strictly determined by regulatory authorities based on population-specific limitations and absolute contraindications defined in the official prescribing information. Use is generally established for adults and older adults above the specified minimum age.

Contraindications and Restrictions

Eligibility Status Applicable Populations and Conditions
Contraindicated Patients with known hypersensitivity to the active substance, Ambroxol, or to its related precursor, Bromhexine. Individuals with certain rare hereditary excipient intolerances (e.g., galactose or fructose intolerance) documented for specific formulations.
Not Recommended Infants under 2 years of age. Individuals in the first trimester of pregnancy. Breastfeeding individuals.
Caution Required Patients with severe hepatic impairment or severe renal impairment. Patients with a history of peptic ulcer disease or bronchial asthma.

Eligibility Constraints

Official documentation explicitly states that use is not recommended for children under two years old. Immediate discontinuation of use is required if signs of severe cutaneous adverse reactions (SCARs) occur, as defined in the product label.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Berea (Ambroxol) establishes specific restrictions based on pharmacodynamic conflict and documents noted pharmacokinetic alterations. Importantly, regulatory reviews state that no clinically relevant unfavourable interactions with other medications have been officially reported. No specific timing-based separation rules with other medicinal products are mandated in regulatory labeling.

Documented Interaction Patterns and Restrictions

Interacting Substance/Class Official Description and Regulatory Restriction
Cough Suppressants (Antitussives) Co-administration is formally not recommended. This restriction stems from a pharmacodynamic conflict where the suppression of the cough reflex, necessary to clear the thinned mucus, can lead to the dangerous accumulation of secretions and potential airway obstruction.
Certain Antibiotics Co-administration with antibiotics, specifically including Amoxicillin, Cefuroxime, Erythromycin, and Doxycycline, results in a documented increase in the antibiotic concentration within lung tissues and bronchial secretions.

Population-Specific Exposure Note

A key pharmacokinetic consideration exists for patients with severe hepatic or renal impairment. Clearance of the drug and its metabolites is officially noted to be reduced in these populations. This metabolic change results in the expected accumulation of the substance in the body, leading to increased systemic exposure.

Mechanism of Action

Berea functions as a beta2-adrenergic receptor agonist. This interaction stabilizes the receptor in its active conformation, initiating the transmembrane signal cascade. The targeted receptors, predominantly expressed on airway smooth muscle cells, are coupled to the heterotrimeric G protein Gs.

Upon receptor activation, the Galpha s subunit dissociates and stimulates the effector enzyme adenylyl cyclase. This catalysis increases the intracellular concentration of the second messenger cyclic adenosine monophosphate (cAMP) via the hydrolysis of ATP. Elevated cAMP subsequently activates cAMP-dependent protein kinase A (PKA).

PKA mediates intracellular effects by phosphorylating specific substrate proteins. In smooth muscle, this downstream phosphorylation cascade leads to a reduction in the intracellular calcium ion (Ca^2+) concentration or a decrease in Ca^2+ sensitivity. This ionic modulation ultimately inhibits the phosphorylation of myosin light chain. The systemic physiological consequence of this cellular mechanism is the relaxation of airway smooth muscle tissue, leading to an increase in the diameter of the bronchial passages.

Dosage and Administration Information

How to Use Berea: Official Administration Guidelines

Berea (Ambroxol hydrochloride) administration follows specific protocols focusing strictly on approved routes, doses, and preparation requirements.


Administration Scope

Feature Standard Administration Instruction
Route of administration Oral (tablets, syrups, solutions), Inhalation (nebulizer solution), and Intravenous (IV) (injection/infusion solution) are officially approved routes.
Dosing schedule (Adults) Standard Oral Initial Dose: Typically 30 mg taken three times daily (90 mg/day) for the first two to three days. Standard Oral Maintenance Dose: Reduced to 30 mg twice daily (60 mg/day). Sustained-Release Forms: 75 mg taken once daily.
Timing in relation to meals The medicine can be taken with or without food, although some labels specify administration after a meal.
Preparation requirements Inhalation Solution: Must be diluted with an appropriate solution (e.g., physiological saline) and administered using a nebulizer. IV Solution: Must be given slowly as an injection or short infusion in a supervised setting.
Age-group rules Pediatric Dosing: For children aged 6–12 years, dosing is typically 15 mg to 30 mg, two to three times daily, usually administered as syrup or oral drops.

Procedural and Contextual Constraints

Constraint Standard Administration Instruction
Special handling Sustained-release forms must be swallowed whole and must not be crushed or chewed.
Duration limit Oral use for acute conditions is generally restricted to 4 to 5 days without a medical review.
Impairment adjustment Dose reduction or extended dosing interval is required in the presence of severe renal or hepatic impairment.
Missed dose If a dose is missed, do not double the dose; instead, take the next scheduled dose at the usual time.

These instructions establish the procedural framework for administering Berea, defining the routes, standardized dosing, and necessary preparation steps to ensure adherence to labeling requirements.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Berea


Evidence for Use in Acute Respiratory Conditions

Research has focused on understanding how this substance was studied for short-term conditions characterized by fluctuating or episodic manifestations, particularly those involving a cough with thick or excessive mucus. The evidence base includes various short-term Randomized Controlled Trials (RCTs) and systematic reviews that sought to summarize data from these clinical trials. Studies examined patient-reported outcomes describing perceived discomfort, such as cough severity, and objective outcomes related to physical discomfort like changes in mucus thickness. Findings were mixed and varied across studies regarding outcomes such as the overall duration of the illness or the need for other treatments. Data for certain groups, such as the youngest pediatric age groups (e.g., those under 6 years old), remain insufficient to support a broad research finding.


Evidence for Use in Chronic Respiratory Conditions

For conditions involving periods of heightened symptoms, such as Chronic Obstructive Pulmonary Disease (COPD) or chronic bronchitis, research has explored the use of the substance over extended periods. This includes long-term, multi-center RCTs, monitoring responses over defined time intervals, sometimes up to a year. The core focus of this research was evaluating outcomes capturing phases of heightened symptom activity, specifically the rate of acute flare-ups or exacerbations in study participants. Studies have described patterns observed related to the rate of acute flare-ups in specific patient subgroups with a known history of recurrent episodes. However, when research examined objective measurements of lung function, such as breathing capacity tests, the findings were mixed and often showed limited changes. Long-term effects are not fully established beyond the typical six- to twelve-month observation periods of the original trials.


Research on Local Symptomatic Relief

Specific research was evaluated in settings exploring temporary physiological imbalance, using specialized oral formulations intended to be studied for acute sore throat pain. The study designs for this purpose are typically short-term, placebo-controlled RCTs. Researchers monitored outcomes to measure changes in pain intensity and difficulty swallowing in adults and adolescents. Research provides insight into short-term changes, describing patterns observed in the studies related to the quick, local change in pain scores. The follow-up durations were limited in these studies, meaning the research only explored short-term symptom changes, and it does not determine whether an individual will respond similarly.

Key Studies & References Ambroxol hydrochloride spray (Luo Runchang®) in the treatment of acute respiratory infectious diseases: a prospective, multicenter, open label, randomized controlled study

Frequently Asked Questions (FAQ)

Common questions about Berea (FAQ)


Q: Why is Berea sometimes given with other medications?

A: Berea is documented to be co-administered with certain antibiotics, such as amoxicillin or erythromycin. Official documents describe that this combination is linked to an increase in the concentration of the antibiotic within the bronchial secretions and lung tissues. This pattern is described in regulatory documents and clinical studies, but co-administration is not a universally mandated instruction for all patients.


Q: Is it common to feel tired when taking Berea?

A: Feeling tired (fatigue or somnolence) is not listed among the most commonly or uncommonly reported side effects of the single-ingredient formulation in major regulatory summaries. However, some official sources list dizziness as a possible side effect, which may indirectly contribute to a feeling of general malaise or being unwell. If any noticeable effects are experienced, individuals typically seek guidance from a healthcare provider.


Q: What happens if I miss a dose of Berea?

A: Official regulatory instructions explicitly state that if a dose is missed, the dose should not be doubled to compensate. Instead, the patient is generally advised to simply take the next scheduled dose at the usual time. This is the documented procedure for managing a missed dose.


Q: Can Berea interact with vitamins or herbal supplements?

A: Regulatory documents state that no clinically relevant unfavorable interactions with standard medicines are currently known or widely reported. While vitamins and herbal supplements are not specifically listed, some patient information sources note that providing a healthcare provider with a list of all non-prescription products, including supplements, is a standard step in treatment planning.


Q: Does Berea affect sleep patterns?

A: Disruption of sleep patterns, such as insomnia or excessive drowsiness, is not listed as a common or uncommon side effect in core regulatory summaries for the single-ingredient drug. However, central nervous system effects are possible with any medication. If noticeable changes to sleep patterns are experienced, the official guidance is to consult a healthcare provider.


Q: What is the active ingredient in Berea?

A: The active ingredient in this medication is Ambroxol (as Ambroxol hydrochloride). It is officially classified as a mucolytic and secretolytic agent, and it is the only active compound in the Berea preparation.


Q: Why do some people report feeling 'foggy' on Berea?

A: The specific term 'foggy' is not used in official adverse reaction documents to describe a side effect. However, related effects such as dizziness have been reported. This type of effect is described in official documentation as a rare possibility, which may be related to user-reported sensations like mental fogginess.


Q: Does Berea affect the liver?

A: The drug is metabolized significantly by the liver, and regulatory guidance requires caution in the presence of severe hepatic (liver) impairment. The need for a reduced dose or an extended dosing interval in the presence of severe liver impairment is established in official documents. No specific severe liver adverse effects are listed as common in the general population during typical short-term use.


Q: What age group is Berea typically approved for?

A: Official use is generally established for adults and children over a specified minimum age, with specific pediatric dosing guidelines provided for children typically starting from 2 to 6 years of age and older. Use in infants under 2 years old is generally not recommended in official documents without specific guidance.


Q: Can Berea be taken during pregnancy?

A: The use of Berea is generally not recommended during the first trimester of pregnancy. Extensive clinical experience after 28 weeks, covering the second and third trimesters, has generally not indicated harmful effects on the fetus. The use of any medication during pregnancy is typically approached with standard precautions.


Q: What kind of monitoring is usually required while taking Berea?

A: Routine general monitoring is not specifically outlined for all patients in official documentation. However, due to how the drug is cleared by the body, caution is required for patient subgroups with severe renal (kidney) or hepatic (liver) impairment. This often suggests that periodic function tests or clinical response monitoring may be considered for these specific populations.


Q: Does Berea show up on drug tests?

A: Ambroxol, the active ingredient, has been listed by some drug information sources among compounds that are known to interfere with certain immunoassay-based urine drug screens. This interference may result in a non-negative initial screening result that would require a separate, more detailed confirmatory laboratory test.


Q: Are there any major diet restrictions while taking Berea?

A: Official regulatory documents do not mandate any major diet restrictions while taking Berea. The medicine can officially be taken with or without food, although certain specific formulations may recommend administration following a meal.


Q: Does Berea interact with alcohol?

A: Some liquid formulations of the drug may contain a small amount of ethanol (alcohol) as an inactive ingredient. The amount is generally noted to have no observable effects, but official warnings recommend caution for specific high-risk groups, such as those with severe liver disease or alcoholism.


Q: Can Berea cause allergic reactions?

A: Yes, official regulatory safety reviews confirm the risk of allergic reactions (hypersensitivity) and have noted the small risk of rare severe allergic reactions and Severe Cutaneous Adverse Reactions (SCARs). Official safety information requires immediate discontinuation of treatment if signs of a skin rash or other signs of hypersensitivity develop.


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

A: The terminal elimination half-life of the active ingredient, Ambroxol, is typically reported in pharmacokinetics sections of official documents as approximately 10 hours. This figure describes how quickly the body processes and removes the substance.


Q: Is it safe to drive or operate machinery while on Berea?

A: Official information generally suggests there is no evidence that the drug affects the ability to drive or use machines. However, because rare side effects such as dizziness or mild cognitive effects can occur, official documents often include a cautionary note to avoid driving or operating machinery if such effects are personally experienced.


Q: Do I need to taper off Berea, or can I stop taking it anytime?

A: Berea is commonly used for short periods for acute conditions and is not classified as a controlled substance with known withdrawal symptoms. Official documents do not mandate a tapering schedule upon cessation, suggesting immediate discontinuation is generally the standard practice when the acute treatment period is complete.


Q: What is the chemical class of Berea?

A: The active ingredient, Ambroxol, is classified chemically as an aromatic amine. It is officially defined as a synthetic benzylamine derivative, meaning it is chemically manufactured in a laboratory.


Q: Can men and women use Berea for the same conditions?

A: Yes, the approved indications for Berea are not gender-specific. Pharmacokinetic studies have indicated that a person's age or gender does not affect how the body processes the active ingredient to any clinically relevant degree, meaning dosing is the same regardless of gender.


Q: Is Berea considered a controlled substance?

A: No, the active ingredient Ambroxol is generally not classified as a controlled substance or a scheduled drug by major international drug regulatory agencies.


Q: Are there different strengths of Berea available?

A: Yes, official product information confirms that Berea is available in multiple strengths and forms. These commonly include 30 mg oral tablets, different concentrations of oral syrup, and 75 mg sustained-release capsules.


Q: Does Berea have any known effects on fertility?

A: Non-clinical studies, which examine potential reproductive effects, do not directly or indirectly indicate any adverse effects on a person's fertility.


Q: Is Berea safe for people who have kidney issues?

A: Regulatory documents require caution and potential dose adjustment for individuals with severe renal impairment. However, for mild to moderate kidney function issues, official information generally indicates that dose adjustment is typically not required.


Q: Is Berea known to cause stomach problems like nausea?

A: Yes, official safety documents categorize nausea as a common side effect, meaning it may affect up to 1 in 10 people. Other stomach problems such as vomiting, abdominal pain, and indigestion are listed as uncommon side effects.

How should Berea be stored and disposed of?

Storage and Handling

Berea must be stored at controlled room temperature, which is officially defined as 20 C to 25 C (68 F to 77 F), with permitted temperature excursions between 15 C and 30 C (59 F and 86 F). To maintain drug stability, the product must be protected from excessive moisture and strong light sources. It is strictly prohibited to freeze the medication or store it above the maximum limit of 30 C. Always keep Berea in its original, tightly sealed container, and ensure it is stored out of the sight and reach of children.

Disposal Instructions

Official regulatory guidelines prioritize drug take-back programs for the disposal of unused or expired medication. The best option is to drop off Berea at an authorized collector or use a mail-back envelope. If no take-back option is readily available and the drug is not on the specific regulatory flush list, dispose of it in household trash. To do this, remove the medicine from its original container, mix it with an undesirable substance (such as used coffee grounds or cat litter), and place the mixture in a sealed bag before disposal in the trash.

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

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