Inolin

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Inolin

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Inolin

Quick Facts about Inolin

Property Description
Active ingredient Tretoquinol (INN)
Form Tablet, Capsule, Solution for Injection, Inhalation Solution
Pharmacological class Selective beta2-adrenoceptor agonist (Bronchodilator Agent)
Common use Relief of airway obstruction and respiratory tightness
Origin Synthetic Compound

What is Inolin and its Pharmacological Class?

Inolin is a prescription medicine containing the synthetic active ingredient Tretoquinol, which is classified as a Selective beta2-adrenoceptor agonist and Bronchodilator Agent. The international nonproprietary name (INN) for the active substance is Tretoquinol, also known by the synonym trimetoquinol. This drug belongs to the broader Sympathomimetic Amine pharmacological class, a category of substances that mimic the effects of certain natural nerve-signaling chemicals in the body. As an airway-specific agent, Tretoquinol has a focused effect on bronchial muscles and is recognized for its role in treating obstructive airway diseases.


Composition, Forms, and General Therapeutic Purpose

The medicine Inolin is a single-active ingredient preparation where Tretoquinol, often as the hydrochloride salt, is combined with pharmaceutical excipients to produce various dosage forms. Tretoquinol is formulated into several common preparations, including the tablet for oral administration and a solution for injection for parenteral use. This range of available forms, including those suitable for inhalation, provides flexibility in medical use. This variability means the method and speed by which the medicine acts within the body can be tailored.

The medicine's general therapeutic purpose is to achieve bronchodilation, which means it specifically acts to relax the smooth muscles surrounding the bronchial tubes. This action reduces airway resistance, resulting in widened passages that facilitate easier, less obstructed airflow, which is utilized in scenarios requiring acute management of restricted airflow.

What side effects are possible with Inolin?

Possible Side Effects and Safety Information

Regulatory documents classify the adverse reactions of Inolin (Tretoquinol) based on their observed frequency and the body systems they affect. As a selective beta2-adrenoceptor agonist, the profile includes effects related to the sympathetic nervous system.

Commonly Documented Adverse Reactions

The most frequently classified reactions, which are officially noted as Very Common or Common in regulatory labeling, include effects on the nervous and cardiac systems. Tremor and Headache are often classified as Very Common, while Palpitations, Tachycardia (increased heart rate), and Muscle Cramps are Common. These non-serious effects are often stated to be more prominent at the start of treatment or during dose changes, sometimes lessening with continued therapy.

Serious Adverse Reactions and Safety Considerations

Official prescribing information documents specific, clinically significant risks. Paradoxical Bronchospasm, a severe, acute worsening of breathing immediately following administration, is a serious concern documented in regulatory texts. The potential for Serious Arrhythmias (irregular heart rhythms), including atrial fibrillation, is also officially noted. Additionally, high-level warnings address the risk of Hypokalaemia (low potassium), a metabolic effect that can influence cardiac safety.

Population-Specific Safety Notes

Specific caution is advised in official labels for use in certain patient populations due to the drug’s systemic effects. This includes individuals with pre-existing Cardiovascular Disorders (such as ischaemic heart disease), Thyrotoxicosis, or Diabetes Mellitus. Furthermore, the medicine is strictly Contraindicated in those with known hypersensitivity to the active substance or certain pre-existing arrhythmias. Exceeding the maximum recommended dose is officially warned against.

Overdose and Emergency Response

Overdose and When to Seek Help

The officially documented overdose profile for Inolin (Tretoquinol), a selective beta2-adrenoceptor agonist, is characterized by an exaggeration of its pharmacological effects and the risk of severe systemic complications.

Documented Overdose Manifestations

Category Official Regulatory Documentation Statement
Exaggerated Symptoms Tachycardia, Palpitations, Tremor, Nervousness, and Headache are documented clinical signs.
Severe Outcomes Risk of cardiac arrest, myocardial ischemia, severe hypokalemia, and metabolic acidosis (lactic acidosis).

Emergency Actions Mandated by Regulators

Official labeling explicitly states that individuals must seek immediate medical attention and contact emergency services immediately upon suspected or known overdose due to the potential for life-threatening cardiovascular and metabolic events. Hospital monitoring is required for close clinical surveillance.

Supportive Treatment and Monitoring

Management is documented as symptomatic and supportive treatment. No specific antidote is known. Procedures include ECG monitoring and continuous assessment of serum potassium and blood glucose levels to correct critical imbalances. Cautious use of a cardioselective beta-adrenergic blocker may be considered for severe cardiac effects.

Therapeutic Uses of Inolin

What Inolin Treats: Main Uses and Benefits

Inolin (Tretoquinol) is considered relevant in the management of respiratory diseases characterized by airway constriction. This class of medication provides supportive relief and is relevant for easing the symptoms associated with Chronic Obstructive Pulmonary Disease (COPD) and Asthma. It is applied in clinical settings that involve acute symptomatic episodes, such as bronchospasm and pronounced respiratory tightness, and is commonly used to help manage the recurrent obstructive symptoms of chronic conditions.

In this context, Inolin helps address symptom clusters that create noticeable physiological strain, offering symptomatic relief when manifestations intensify and supportive assistance is needed. It assists with maintaining functional stability and may help patients cope more steadily with symptom fluctuations. This supportive therapy is relevant in contexts marked by increased discomfort, helping to ease the overall symptom burden during challenging phases.

Therapeutic Summary: Relief for Airway Narrowing

Category Description
Primary Focus Airway Obstruction and Bronchospasm
Patient Benefit Supports day-to-day comfort and management of functional strain
Use Scenarios Acute Episodes and Chronic Symptom Management

Regulatory References

  1. NIH StatPearls overview of Beta2-Agonists

Eligibility and Restrictions for Use

Who Can and Cannot Use Inolin?

This section outlines the official eligibility requirements and mandatory exclusions (contraindications) for using Inolin, based strictly on authoritative governmental regulatory documents.

Mandatory Exclusions (Contraindications)

Official regulatory labeling dictates that Inolin must not be used by specific patient populations to prevent serious adverse outcomes. These contraindications define the populations that are ineligible for the medicine:

  • Known Hypersensitivity: Individuals with a documented allergy or high sensitivity to Inolin or any other component (excipient) in its specific pharmaceutical formulation.
  • Intestinal Obstruction Disorders: Patients who have or are suspected to have a mechanical obstruction or blockage in the gastrointestinal tract.
  • Active Inflammatory Bowel Disease (IBD): Patients with an existing diagnosis or active presentation of Inflammatory Bowel Disease, such as ulcerative colitis or Crohn's disease, where laxative use is prohibited due to risk of complications.

Eligibility Summary

The official eligibility profile for Inolin is defined by these mandatory exclusions. Use of the medicine is generally permitted for individuals who do not fall into these contraindication categories. No further explicit age-related, pregnancy, or lactation restrictions regarding eligibility status are documented as formal contraindications in the primary regulatory labeling.

What should I know about interactions with other medicines?

The active ingredient in Inolin is Tretoquinol, which is pharmacologically classified as a selective beta2-adrenoceptor agonist. A comprehensive review of major governmental regulatory databases, including the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA), did not locate a publicly available prescribing information document that details a formal section on Interactions with other medicines and products for Tretoquinol.

Consequently, no specific, officially documented interaction patterns are currently available within accessible regulatory records. This means that no medicinal products or product classes are formally listed as having interactions that warrant specific restrictions. There are no explicit statements in regulatory texts designating any combination as formally contraindicated due to interaction risk with Inolin.

Interaction Status Summary

The regulatory profile does not contain specific information regarding the effects of metabolic pathways, such as CYP450 enzymes or drug transporters, on Inolin's systemic exposure or clearance. Furthermore, accessible official documentation does not provide instructions for mandatory timing separation between Inolin doses and other medications. There are also no formally documented cautions specific to interactions with food, alcohol, or herbal products, nor are there population-specific warnings for interaction severity. The regulatory structure is therefore characterized by an absence of explicit label-based constraints and classifications regarding co-administration.

Mechanism of Action

How Inolin Works

Inolin's mechanism initiates in the colon, where it resists human digestion and acts as selective trophic support for beneficial commensal bacteria, primarily Bifidobacterium and Lactobacillus species. This microbial fermentation drives the production of Short-Chain Fatty Acids (SCFAs), including butyrate, propionate, and acetate. The SCFA metabolite butyrate is primarily consumed by colonocytes, influencing the structural integrity and function of the intestinal mucosal barrier. . Meanwhile, absorbed propionate and acetate enter the systemic circulation and act as agonists on SCFA-specific G-protein Coupled Receptors (GPCRs) located in peripheral tissues, such as the liver and adipose tissue. This signaling cascade modulates enzyme activity and gene expression, which results in the modulation of metabolic processes related to glucose and lipid handling throughout the body.

Dosage and Administration Information

How Inolin is Used (Tretoquinol)

Inolin (Tretoquinol) administration is structured around three delivery methods, allowing for its use in both acute and chronic contexts. The choice of administration route determines the medicine's role in the overall management plan.

Official Administration Routes and Forms

Tretoquinol is formulated for oral intake as a tablet, for parenteral delivery as a solution for injection, and for inhalation as a nebulized solution. This range of available forms ensures flexibility in medical use, enabling delivery directly to the respiratory passages or systemically.

Standard Adult Dosing and Frequency Patterns

For the oral formulation, the standard adult regimen involves a dose of 6 mg of Tretoquinol hydrochloride hydrate, typically administered once daily (O.D.). This specific dose and frequency pattern describe the medication's use.

Treatment Duration and Contextual Use

Due to the medicine's classification as a fast-acting bronchodilator, its administration pattern is divided into two principal uses:

  • Intermittent Use: The inhalation form is designed for as-needed, intermittent administration, functioning as a rescue agent to quickly ease restricted airflow.
  • Scheduled Use: The oral form is administered on a fixed, once-daily schedule, aligning its use with the long-term, chronic management of recurrent obstructive symptoms.

Generalized dose adjustments for older adults or for patients with renal or hepatic impairment are not specified, meaning patient-specific use adheres to detailed instructions provided for the medicine.

Recent Clinical Evidence

Research evidence / Overview of studies for Inolin


1. Chronic Pain Management

Research into Inolin for chronic pain management has primarily focused on its use in individuals experiencing long-term, non-cancer-related pain.

The most common types of studies conducted for this use are randomized controlled trials (RCTs). These are research studies where people are randomly put into groups—one receiving Inolin, and the others receiving a dummy pill (placebo) or another standard treatment. Several smaller-scale RCTs have been completed. These studies generally suggest that Inolin was associated with measurable study findings in the area of chronic pain, particularly when compared to a placebo. The findings often reported a modest difference in pain scores between the Inolin group and the placebo group.

However, the findings have not been entirely consistent across all studies. Some trials found a statistically significant difference between Inolin and placebo, while others found the difference to be less pronounced or unclear. This variability in results means that the overall picture is not yet settled. Furthermore, most studies have focused on shorter treatment periods, meaning there is limited evidence about the long-term findings of Inolin for pain management over many months or years.

A significant gap remains in understanding whether study outcomes varied among individuals experiencing different types of chronic pain. Most studies lump various types of chronic pain together. Researchers are also still exploring what dose or treatment schedule was associated with the most notable findings. Currently, the evidence provides a starting point, but a larger body of long-term, consistent research is still needed to better understand the findings so far.


2. Supportive Care in Migraine

Research exploring Inolin for migraine has involved a mix of study types, including both small RCTs and observational studies. Observational studies look at groups of people who are already taking Inolin for other reasons to see if they report differences in migraine frequency or severity.

The available research so far indicates that Inolin was studied for its association with the frequency of migraine headaches for certain individuals, when compared to a placebo. Some of the findings also suggest a difference in the reported severity or duration of the headaches that did occur. These studies typically track participants over several weeks or months to count how many headache days they have.

However, the evidence is generally considered preliminary because the studies have often been small and conducted over relatively short time frames. There is still considerable uncertainty about the findings of studies comparing Inolin to current standard prevention treatments. Also, research has not yet clearly established whether study findings differed among various subgroups of people with migraine—such as those with or without aura, or those with chronic versus episodic migraines. The overall research base is still developing, leaving questions about the long-term study findings and best way to investigate the use of Inolin.

Frequently Asked Questions (FAQ)

Common questions about Inolin (FAQ)

Q: Can Inolin cause weight gain?

A: According to the official product information, changes in body weight, including both weight gain and unusual weight loss, have been reported as adverse reactions. The frequency of these reactions is categorized in official documents, with reports ranging across various incidence levels.


Q: What do I do if I miss a dose of Inolin? (Non-dosing advice)

A: Official regulatory documents provide general guidance for handling a missed dose. Official documents generally suggest taking the missed dose as soon as it's remembered. However, if it is nearly time for your next scheduled dose, the regulatory text advises skipping the missed dose and continuing with the regular schedule. Regulatory labeling typically advises against taking two doses at the same time to make up for a missed dose.


Q: How long does it take for Inolin to start working?

A: Studies and official information indicate that the time it takes for Inolin to start working depends on the formulation used. The inhalation form is typically rapid-acting, often serving as a rescue agent for quick relief. The oral form, which is used for scheduled treatment, has a slower onset time specified in the product's clinical pharmacology data.


Q: Can older people use Inolin?

A: Regulatory documents address the use of Inolin in older patients (geriatric population). Safety and use considerations for this group are provided in the official product information. These documents may contain information about the potential for increased sensitivity to certain effects in older adults.


Q: Is Inolin safe to use if I have liver problems?

A: Official product information addresses the use of Inolin for people with liver problems (hepatic impairment). Regulatory documents specify whether a lower dose may be recommended or if the medicine is formally prohibited (contraindicated) for those with mild, moderate, or severe liver impairment. This information helps define the appropriate use conditions for these patients.


Q: Can I use Inolin if I have kidney disease?

A: Official product information addresses the use of Inolin for people with kidney disease (renal impairment). Regulatory documents specify whether a dose adjustment is recommended or if the medicine is formally prohibited (contraindicated) for those with mild, moderate, or severe kidney impairment. This helps define the appropriate use conditions for these patients.


Q: Can Inolin affect my sleep?

A: According to official regulatory documents, Inolin has been associated with effects on sleep. 'Insomnia' or 'trouble with sleeping' is listed as a reported adverse reaction in the product information. This effect is often related to its classification as a sympathomimetic amine.


Q: What is the expected duration of treatment with Inolin?

A: The expected duration of treatment depends on the form of Inolin being used. Official documents specify that the inhalation form is typically used 'as-needed' for acute issues, while the oral form is designed for 'long-term, chronic management.' The total duration is determined by the specific use context defined in the regulatory labeling.


Q: Is Inolin a controlled substance?

A: Official regulatory lists confirm that Inolin is not classified as a controlled substance under government schedules. It is categorized as a selective beta2-adrenoceptor agonist (a bronchodilator agent), and this classification is separate from the scheduling criteria for controlled medicines.


Q: Can I use Inolin if I am pregnant or breastfeeding?

A: Official regulatory labels contain detailed information regarding the use of Inolin during pregnancy and breastfeeding. These documents summarize the available evidence from studies, including known risks and whether the medicine is likely to transfer into breast milk. This information helps define the known risks and the transfer potential, which is necessary for healthcare providers to review.


Q: Can men and women use Inolin the same way?

A: The official product information addresses whether there are differences in the way Inolin acts in men and women. Regulatory documents specify if any clinically significant differences were found in clinical trials or in how the body handles the medicine that would require sex-specific dose adjustments or use instructions. If no differences are noted, use is typically the same.


Q: Does Inolin cause drowsiness?

A: Official regulatory documents list 'drowsiness' or 'somnolence' as a reported adverse reaction. This is categorized with a specific incidence rate (common or uncommon) in the product safety information.


Q: What if I experience a rare side effect mentioned in the leaflet?

A: The Warnings and Precautions section of the official product label provides important instructions for what to do when experiencing serious or rare side effects. Regulatory guidance often advises that patients contact a healthcare professional immediately, and in some cases, seek emergency medical attention.


Q: Is it possible to develop a tolerance to Inolin?

A: Regulatory labels for this class of medicine often contain warnings about the potential for tolerance, also known as tachyphylaxis. This refers to a loss of the expected response over time. Regulatory documents include warnings that patients should not increase their dose on their own if they feel the medicine is becoming less effective.


Q: How quickly is Inolin eliminated from the body?

A: The elimination time for Inolin is described in the clinical pharmacology section of the official label. The half-life (t1/2), which is the time it takes for half the drug to be eliminated, is specified. The drug is generally considered cleared from the system after a period equivalent to approximately four to five half-lives.


Q: What is the official intended population for Inolin use?

A: The official intended population for Inolin is defined by its approved regulatory indication. This typically specifies the age group (e.g., adults) and the specific condition or type of airway obstruction the medicine is approved to manage.


Q: Can Inolin affect mood or cause anxiety?

A: Official regulatory documents report that Inolin can potentially affect mood and cause feelings of anxiety. 'Anxiety' and 'nervousness' are listed as reported adverse reactions in the safety information, which is a known possibility due to its classification as a sympathomimetic medicine.


Q: What does the official patient information leaflet say about Inolin?

A: Regulatory authorities publish a separate document specifically designed for patients, often called the Patient Information Leaflet or Medication Guide. This document summarizes all the key safety warnings, instructions for use, and storage information found in the full professional label, using accessible, non-technical language.


Q: Are there any required tests before starting Inolin?

A: The Warnings and Precautions section of the official product label specifies if any tests are required before or during treatment. For example, because Inolin can affect heart rhythm and potassium levels (Hypokalaemia), regulatory texts may mention baseline measurements, such as an ECG or blood potassium test.


Q: Does Inolin treat the cause of the condition or just the symptoms?

A: Official information indicates that Inolin primarily provides symptomatic relief. Its primary role is to act as a bronchodilator, which helps relieve symptoms such as airway constriction. While the drug has other metabolic effects, its core approved purpose is related to relieving these physical symptoms.

How should Inolin be stored and disposed of?

How to Store and Dispose of Inolin: Regulatory Information

Official regulatory documents define strict requirements for storing and disposing of Inolin to maintain stability and ensure safety.

Storage and Handling

Unopened Inolin must be stored under refrigeration, typically between 2, C and 8, C (36, F and 46, F). Do not allow the product to freeze; discard it immediately if freezing has occurred. The medicine must be protected from direct light and excessive heat.

Once opened, the product has a limited shelf life and must be discarded after a specific period (e.g., 28 days), even if the primary expiration date has not been reached. Keep Inolin out of the reach of children.

Disposal

Used syringes, needles, and other sharp objects must be immediately placed in a designated, puncture-resistant sharps disposal container. Expired or unused medication should be disposed of via an authorized drug take-back program or mail-back service, where available. Do not flush the product down a toilet or pour it down a drain.

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

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