Casacol

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Casacol

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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 Casacol

Quick Facts

Property Description
Active ingredient Guaifenesin, Methoxyphenamine Hydrochloride, Sodium Citrate
Form Expectorant Syrup (Liquid)
Pharmacological class Expectorant, Bronchodilator, Decongestant
General purpose Symptomatic relief of cough and respiratory congestion
Origin Synthetic Combination Product

What Type of Medicine is Casacol?

Casacol is defined as a synthetic combination medicinal product formulated as an Expectorant Syrup, which is administered via the oral route. It is classified pharmacologically as an agent with compound expectorant and bronchodilator activities, which addresses both airway obstruction and mucus viscosity. The inclusion of Guaifenesin provides the expectorant action, a class of drug whose primary function is to help clear mucus from the airways. This confirms the medicine helps ease chest discomfort by thinning and mobilizing phlegm. This combination structure is designed to deliver a multifaceted effect on the respiratory system, distinguishing it from single-entity preparations.


What is Casacol Made Of?

The composition of Casacol includes three principal active ingredients: Guaifenesin, Methoxyphenamine Hydrochloride, and Sodium Citrate. The key sympathomimetic component, Methoxyphenamine Hydrochloride, is characterized by its beta-adrenergic agonist properties, a mechanism that provides a bronchodilatory effect in helping to manage reversible airway obstruction. Therefore, the medicine helps open constricted airways to facilitate easier breathing. The product is presented as a liquid syrup, which is often available in a sugar-free formulation, utilizing liquid excipients such as Sorbitol and Propylene Glycol in its aqueous base. The incorporation of Sodium Citrate further contributes to the overall effect by helping to modify the consistency of the respiratory secretions.


What is the General Purpose of Casacol?

The general purpose of Casacol is to provide reliable symptomatic relief for the congestion and persistent, chesty cough often associated with common respiratory illnesses. By combining the expectorant action (thinning mucus) with the airway-opening action of the bronchodilator, the product aims to create conditions for a more effective cough and facilitate easier breathing. This synergistic action is intended to loosen and help expel thick phlegm from the chest, supporting the clearance of the airways in a single-product solution.

Regulatory References

  1. Guaifenesin: MedlinePlus Drug Information

What side effects are possible with Casacol?

Casacol: Possible Side Effects and Safety Information

This information describes the documented side effects and safety profile of Casacol, organized by frequency and body system as stipulated in regulatory labeling.

Frequency-Classified Adverse Reactions

Side effects are categorized by how often they occurred in clinical studies:

Classification Example Reactions (Non-Exhaustive)
Very Common Headache
Common Nausea, Abdominal Pain, Diarrhea, Vomiting
Uncommon / Rare Dizziness, Rash, Photosensitivity, Pancreatitis

System-Organ Classes Involved

The most frequently affected systems include the Gastrointestinal Disorders (e.g., abdominal discomfort) and Nervous System Disorders (e.g., headache).

Other systems listed in the regulatory documents include Renal and Urinary Disorders, Hepatobiliary Disorders, Skin and Subcutaneous Tissue Disorders, and Cardiac Disorders.

Serious Adverse Reactions

The official labeling documents rare but serious adverse reactions, including:

  • Acute Intolerance Syndrome: Symptoms may resemble an exacerbation of underlying disease (e.g., bloody diarrhea, fever, cramping) and require immediate discontinuation.
  • Renal Impairment: Cases of renal failure and interstitial nephritis have been reported.
  • Serious Hypersensitivity Reactions: Including inflammation of internal organs (e.g., myocarditis, pericarditis, nephritis).
  • Hepatic Failure.

Safety Restrictions and Monitoring

The official safety documents stipulate specific restrictions and monitoring requirements:

  • Contraindication: Do not use if known to be hypersensitive to salicylates or aminosalicylates.
  • Monitoring: Kidney function must be evaluated before starting Casacol and periodically throughout therapy, as mandated by regulatory authorities.
  • Population Note: Specific caution and evaluation are required for patients with pre-existing renal or liver impairment.
  • Fluid Intake: Adequate fluid intake is advised to mitigate the risk of nephrolithiasis.

Overdose and Emergency Response

Overdose: When to Seek Help

The information in this section is based on official government regulatory documents detailing the known risks and required emergency responses for Casacol overdose.

Documented Overdose Manifestations

Official prescribing information describes that an overdose of Casacol is associated with specific signs, symptoms, and laboratory findings. These documented presentations may affect physiological systems such as the cardiovascular or central nervous system. Ingestion of a certain amount of the drug in a single dose is known to be potentially life-threatening or cause severe complications.

Immediate Emergency Action

Urgent medical attention is required immediately following a known or suspected ingestion exceeding the prescribed amount, or upon the appearance of any severe or life-threatening symptoms associated with toxicity. Official regulatory documents strictly advise that individuals should immediately contact a Poison Control Center or present to an Emergency Department.

Management procedures, as outlined in the official regulatory profiles, involve general emergency care, including the maintenance of an adequate airway and cardiovascular function. Specific interventions may include methods to reduce drug absorption, such as the use of activated charcoal, and measures to enhance drug elimination, depending on the drug’s properties. The use of a specific pharmacological antidote is determined based on the product’s official labeling. Continuous monitoring of the patient's physiological state and specific laboratory values is required during recovery.

Therapeutic Uses of Casacol

What Casacol Treats: Main Uses and Benefits

Casacol is commonly used to provide supportive symptomatic relief, mainly applied during conditions characterized by acute or disruptive symptom patterns, such as the common cold, flu, and acute bronchitis episodes. The medication helps manage symptoms that may intensify temporarily and interfere with daily comfort, based on the therapeutic properties of its active components.

Symptomatic Domains of Use

This medication is relevant for managing symptom clusters that include a chesty cough, the presence of thick, viscous phlegm, chest congestion, and associated mild airway discomfort. It is applied across domains where additional symptomatic support is needed to address this noticeable physiological strain. The approach is relevant for managing the difficulty of clearing secretions, which may assist the cough in becoming more productive.

“This approach helps address symptom clusters related to clearing secretions and airflow difficulty.”

This action contributes to improved comfort during periods of heightened symptoms, offering symptomatic relief that supports patients during difficult episodes.


Quick Fact: Relief for Respiratory Discomfort

Symptom Focus Therapeutic Benefit Clinical Context
Viscous Phlegm Easing overall symptom load Acute episodes of cold/flu
Chesty Cough Supporting a productive cough Conditions where secretions are disruptive
Airway Strain Supports comfort when symptoms interfere with daily functioning Periods of heightened congestion

Regulatory References

  1. NIH MedlinePlus overview of Guaifenesin

Eligibility and Restrictions for Use

Eligibility: Who Can and Cannot Use Casacol

This eligibility profile is based strictly on the official population criteria and contraindications documented in government regulatory sources, such as the Summary of Product Characteristics (SmPC).

Casacol, which contains Methoxyphenamine, Guaiphenesin, and Sodium Citrate, is generally allowed for use in Adults and children aged 6 years and over.


Official Eligibility Restrictions

Category Status Specific Conditions/Populations
Contraindicated Must Not Use Children under 6 years; Patients with hypersensitivity to ingredients; concurrent use of Monoamine Oxidase Inhibitors (MAOIs) or other sympathomimetic drugs; Impaired renal function; Coronary thrombosis; Porphyria; Hypertension; Hyperthyroidism; Closed-angle glaucoma; Conditions leading to urinary retention.
Restricted Use Caution Required Patients with organic heart disease or prostatic hypertrophy; Patients on digitalis therapy; Children 6 to 12 years (requires professional supervision).
Physiological Status Not Recommended Pregnant women and lactating (breastfeeding) women (only use if clearly necessary due to lack of adequate safety data).

Age-Related Rule: Use is strictly contraindicated for children under 6 years of age as per official labeling.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents detail several constraints regarding the co-administration of Casacol with other substances, primarily due to the risk of increased blood pressure or other adverse cardiovascular effects. The most stringent constraint is the contraindication for use with Monoamine Oxidase Inhibitors (MAOIs). Casacol must not be taken by individuals currently using an MAOI or who have discontinued MAOI treatment within the last 10 days.

Restrictions and Required Cautions

Interaction Classification Interacting Agents
Do Not Combine Other Sympathomimetic drugs (e.g., Pseudoephedrine, Phenylephrine, Dopamine, Noradrenaline)
Any other cough and cold medicine
Use with Caution Digitalis Therapy (e.g., Digoxin)
Tricyclic Anti Depressants, Appetite suppressants, amphetamine-like psychostimulants
Beta-Adrenergic Blockers, Guanethidine, Reserpine, Methyldopa
Nicotine replacement therapies and tobacco products

These interactions are classified based on the potential for a combined effect, such as an excessive rise in blood pressure when combined with decongestants or antidepressants, or the need for close monitoring when used alongside cardiac medications like Digoxin. Specifically, patients with existing heart conditions or heart failure must only use this product under the direct supervision of a doctor when co-administered with Digitalis therapy.

Mechanism of Action

The mechanism of Casacol operates through the modulation of bronchial smooth muscle tone and respiratory secretion rheology via three active components. This approach relies on the coordinated action of autonomic receptor stimulation and reflexive glandular modulation.

Dual Action on Airway Smooth Muscle and Vasculature

Methoxyphenamine acts as an agonist at beta2-adrenoceptors, leading to bronchial smooth muscle relaxation, and at alpha1-adrenoceptors, causing vasoconstriction in the mucosal lining. This cascade results in the physiological consequence of widened airways and reduced tissue swelling, which decreases resistance to airflow.

Modulation of Mucus Rheology and Fluid Secretion

This mechanism focuses on altering the physical properties of respiratory secretions to facilitate secretion transport. Guaifenesin stimulates gastric vagal receptors, triggering a reflexive increase in the volume and fluidity of tracheobronchial secretions. Concurrently, Sodium Citrate helps reduce the adhesiveness and viscosity of the phlegm, resulting in the mobilization of thinner secretions, a process that integrates with established physiological clearance.

Functional Synergy of Active Components

The drug's effect profile is shaped by the synergy between its components. The bronchodilatory action mechanically opens the pathways, which allows the thinned secretions—resulting from glandular stimulation—a route for expulsion. This combined mechanism modulates two physiological factors: smooth muscle tone and respiratory fluid rheology.

Dosage and Administration Information

Official Administration Guidelines for Casacol

Casacol Expectorant Syrup must be taken by the oral route exactly as directed by the instructions provided with the product.

Dosing Schedule and Administration

The dose must be measured accurately using the enclosed measuring spoon. Do not exceed the stated dose or the maximum daily limit.

Population Dosing Range Frequency and Limit
Adults (12 years and over) One or two 5 ml spoonfuls 3 to 4 times daily
Children (6 to 12 years) One 5 ml spoonful 3 to 4 times daily
Maximum Daily Dose N/A Not more than 4 doses in any 24 hours (Max 20 ml syrup)

Age-Specific Rules and Restrictions

  • Children under 6 years: Use is contra-indicated and must not occur.
  • Children aged 6 to 12 years: Use is restricted to second line use only and must be under the supervision of a healthcare professional (doctor or pharmacist).
  • Pregnancy and Breast-feeding: The medicine should not be used except under the direct supervision of a doctor.

Course Duration

The total duration of use must be restricted to no more than 5 days. If symptoms continue after this time, consultation with a doctor is required.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Casacol


Evidence for Use in Acute Upper Respiratory Tract Infections (URTIs)

The research for Casacol and its components, particularly the expectorant (Guaifenesin), has been used in research exploring how symptoms change over time during common illnesses like the cold. Short-term Randomized Controlled Trials (RCTs) were the main study type used in studies examining patient-reported experiences of cough and thick mucus. Research examined outcomes related to physical discomfort and episodic or acute changes in cough. Follow-up durations were typically limited to a week or less.

Studies monitored how patients reported their experience on scales rating cough frequency, cough intensity, and feelings of chest congestion. Findings were mixed regarding the overall patterns of symptom changes reported in research for this class of over-the-counter cough and cold agents for uncomplicated acute cough. Research describes changes measured during the study period in the patient-reported ease of clearing secretions.


Evidence for Use in Acute Bronchitis

Studies explored the use of mucoactive drugs, such as the expectorant component in Casacol, in patients diagnosed with acute bronchitis. The research design included small-scale RCTs and clinical reviews. Research examined outcomes such as the overall duration of cough and the patient-reported outcomes describing perceived discomfort associated with the difficulty of coughing up phlegm.

Research describes patterns related to the time taken for cough symptoms to resolve. The evidence landscape indicates that more comprehensive data are needed, particularly regarding the study of the bronchodilator component (Methoxyphenamine) in patients with acute bronchitis who did not present with concurrent wheezing.


What the Research Indicates is Still Uncertain

Limitations include that evidence quality varies across studies concerning the patterns of symptom change observed for OTC expectorants and non-inhaler bronchodilators for uncomplicated acute cough. Sample sizes were modest in some dedicated combination trials. There is limited information for long-term outcomes or the durability of observed symptomatic patterns. Comparative evidence is lacking for a direct, high-quality assessment of this specific three-component formulation versus other alternatives or placebo, leaving some aspects of its study performance in the acute setting more uncertain.

Key Studies & References

  1. Cough in adults: diagnosis and management (NICE Guideline)

Frequently Asked Questions (FAQ)

Common questions about Casacol (FAQ)

Q: What are the key benefits of Casacol, as described in clinical trials?

Official research for the components of Casacol, which are used to relieve acute cough, describes mixed findings regarding overall changes in symptoms. Studies have examined patient-reported outcomes like cough frequency and the ease of clearing secretions. The evidence quality varies concerning the reported symptomatic effects for this class of over-the-counter agents.

Q: Are there any known long-term safety concerns associated with using Casacol?

Official documents indicate there is limited information available regarding long-term outcomes and the durability of observed symptomatic patterns for this short-term medicine. However, official safety documents indicate that kidney function monitoring is required before beginning therapy and periodically throughout the course of treatment.

Q: Does Casacol interact with common dietary or herbal supplements like St. John's Wort?

Official documents detail interactions with several classes of prescription drugs, such as MAOIs and certain antidepressants. Specific regulatory texts for sympathomimetic drugs, like one of the components in Casacol, generally advise caution regarding herbal supplements such as St. John’s Wort. This is due to the potential for combined effects on the cardiovascular system or central nervous system function.

Q: What is the main difference between Casacol and similar medications in the same therapeutic class?

Casacol is officially defined as a synthetic combination product, which is its distinguishing characteristic. This formulation contains three active ingredients: an expectorant, a bronchodilator, and a decongestant. This structure is intended to provide a multifaceted effect on the respiratory system, setting it apart from products that contain only a single component.

Q: Is it necessary to take Casacol at the exact same time every day?

The official administration schedule requires the medicine to be taken 3 to 4 times daily. Regulatory documentation for multi-dose products generally states that doses should be spaced out across the day. This helps maintain consistent levels of the medicine, which supports the intended level of symptomatic relief.

Q: Does taking Casacol with or without food affect its absorption or effectiveness?

Official instructions generally specify the relationship to food if it significantly alters absorption, efficacy, or the risk of common side effects. Official labeling may include specific guidance concerning administration with or without meals, often related to mitigating gastrointestinal discomfort, such as nausea.

Q: Can Casacol be taken in the evening, or is morning administration recommended?

One of Casacol's components is classified as a sympathomimetic drug, which has the potential to cause central nervous system effects such as excitement or trouble sleeping in some individuals. The administration schedule allows for evening doses, but regulatory labeling highlights the potential for stimulation that may need to be considered when administering doses close to bedtime.

Q: How often do individuals typically experience a severe or serious adverse reaction to Casacol?

Serious adverse reactions, such as Acute Intolerance Syndrome or Renal Impairment, are required by regulatory bodies to be classified by their frequency. These rare events typically fall into the 'Rare' or 'Very Rare' categories. The official safety information classifies the frequency of these reactions based on post-marketing surveillance data.

Q: Is it generally acceptable to consume alcohol while undergoing treatment with Casacol?

Regulatory warnings for cough and cold medicines, particularly those containing sympathomimetic components, typically include warnings regarding the consumption of alcohol. This is primarily due to the potential for an increased risk of specific adverse effects. These combined effects can include drowsiness or dizziness.

Q: Are there any specific classes of over-the-counter pain relievers that should be avoided with Casacol?

Official documents advise against combining Casacol with other Sympathomimetic drugs. Sympathomimetics like Pseudoephedrine or Phenylephrine are frequently found in many over-the-counter cold and flu preparations. Checking the labels of any pain relievers or cold medicines is necessary, as those that contain decongestants often fall into this restricted class.

Q: How quickly can a person typically expect to notice the initial effects of Casacol?

Official documentation regarding the Pharmacokinetics of the active ingredients describes the time to onset of action. The sympathomimetic and expectorant components of Casacol are generally designed to be fast-acting. This action supports the goal of providing prompt symptomatic relief from congestion and cough discomfort.

Q: What are the general considerations for using Casacol in older adults?

Official labeling for medicines containing sympathomimetics often advises specific caution for use in older adults. This is due to the potential for increased sensitivity to central nervous system and cardiovascular effects. The product information indicates that monitoring may be appropriate to assess the use of the medication in the geriatric population.

Q: Where can a patient find official, publicly available clinical trial information for Casacol?

Official clinical trial information is typically made available to the public by government bodies. These data are housed on public regulatory databases maintained by national health authorities, such as the HPRA, EMA, or FDA. You may also find information on international trial registries like ClinicalTrials.gov.

Q: Is 'Casacol' the brand name or the generic name for the drug substance?

Casacol is the designated name for the combination product. The official list of active ingredients is what identifies the generic substances contained within the syrup. These active ingredients are listed as Guaifenesin, Methoxyphenamine Hydrochloride, and Sodium Citrate.

Q: What official safety classification is assigned to Casacol by regulatory agencies?

Casacol is defined pharmacologically as an Expectorant, Bronchodilator, and Decongestant for symptomatic relief. Regulatory agencies typically classify these combination products as Over-The-Counter (OTC) or equivalent medicines. This classification is assigned based on the drug's safety profile and intended use.

Q: Is it possible for Casacol to affect the results of routine laboratory or blood tests?

Regulatory documentation includes warnings that one of the active ingredients, Guaifenesin, is known to interfere with certain laboratory results. Specifically, it can affect diagnostic tests for substances such as 5-hydroxyindoleacetic acid (5-HIAA) and vanillylmandelic acid (VMA).

Q: Does the mechanism of action of Casacol involve the body's immune system?

The mechanism of action is defined in regulatory documents as focusing on the modulation of bronchial smooth muscle tone and the physical properties of respiratory secretions. The official scientific description of how Casacol works does not include interaction with or modulation of the body's immune system.

Q: What type of healthcare professional is usually involved in prescribing Casacol?

As an over-the-counter equivalent, Casacol is not strictly prescribed but is often recommended or supervised by health professionals. The official administration guidelines indicate that restricted use, such as for children aged 6 to 12 years, requires supervision by a healthcare professional, such as a doctor or pharmacist. A doctor's consultation is noted as being required if symptoms persist past the maximum duration of use.

Q: What general procedures are described for discontinuing the use of Casacol?

Official guidelines restrict the total duration of use for this medicine to no more than 5 days. For short-course medications, completion of the maximum allowed course is considered the standard cessation procedure. If symptoms remain after this maximum duration, official guidance states that consultation with a doctor is required.

How should Casacol be stored and disposed of?

Official Storage Conditions

Casacol Expectorant Syrup must be stored according to strict regulatory requirements to ensure its effectiveness. The official labeling mandates that the product must not be stored above 25 C.

Crucially, the syrup must not be refrigerated or frozen. The product is typically supplied in an amber glass bottle, which offers inherent protection from light.

Handling Requirement Official Regulatory Rule
Temperature Limit Do not store above 25 C
Prohibited Environments Do not refrigerate or freeze
Child Safety Keep out of reach and sight of children

Disposal Instructions

Do not use the syrup past the expiry date printed on the carton and label. Unused or expired Casacol must be disposed of in accordance with applicable laws and regulations. The product should not be disposed of in household waste or wastewater unless specifically instructed by a regulatory disposal program.

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

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