Meberine

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Meberine

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 Meberine

What is Meberine?

Meberine is an antispasmodic medication primarily used to manage symptoms associated with functional bowel disorders, such as irritable bowel syndrome (IBS). It belongs to a group of medicines known as musculotropic antispasmodics.

Mechanism of Action

Unlike some other medications used for digestive issues, Meberine acts directly on the smooth muscle of the gastrointestinal tract. It works by relaxing the intestinal muscles and relieving spasms without affecting the normal movement of the gut. Because its action is targeted specifically at the muscle wall, it does not typically interfere with the autonomic nervous system, which helps limit certain types of systemic side effects.

Primary Uses

Meberine is generally utilized to provide relief from the physical discomfort caused by intestinal cramping and spasms. These symptoms often include:

  • Abdominal pain and cramps
  • Persistent diarrhea (particularly when associated with IBS)
  • Flatulence and bloating
  • Changes in bowel habits related to muscular tension in the colon

It is often used as part of a broader management plan for chronic conditions involving gastrointestinal smooth muscle hyperactivity.

Regulatory References

  1. PubChem CID 17683
  2. IUPHAR/BPS Guide to PHARMACOLOGY

What side effects are possible with Meberine?

Possible Side Effects and Safety Information

Mebeverine's safety characteristics, as documented in regulatory sources like the Summary of Product Characteristics (SmPC), primarily concern a limited number of hypersensitivity reactions (allergic responses). These documented adverse effects are generally derived from spontaneous post-marketing reports, leading to an official frequency classification of Not Known (cannot be estimated from the available data).

Official Adverse Reactions and Systemic Classification

Adverse reactions are classified by the physiological systems affected, most commonly involving the immune system and the skin. Reactions officially listed include systemic hypersensitivity, skin disorders such as urticaria (hives), exanthema (rash), angioedema (swelling beneath the skin), and facial oedema (facial swelling).

Of particular regulatory concern are serious adverse reactions, which include the severe, life-threatening allergic response known as anaphylactic reactions.

Population-Specific and Excipient-Related Safety Constraints

The official labeling defines specific constraints for certain patient groups. Mebeverine is not recommended for use in children under 18 due to insufficient data on both safety and efficacy in this population. Similarly, use is not recommended during pregnancy or by breast-feeding mothers, as the risks are not fully established. No specific risks or dosage adjustments have been identified from post-marketing data for older adults or individuals with renal or hepatic impairment. Additionally, the presence of the excipient lactose in some formulations dictates that the medicine is contraindicated for patients with hereditary sugar intolerances, such as galactose intolerance or glucose-galactose malabsorption.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Meberine overdose defines the documented clinical manifestations and the required emergency response. This information is strictly based on the Summary of Product Characteristics (SmPC) and equivalent government regulatory texts.

Documented Overdose Profile

Property Description
Documented Manifestations Symptoms are officially documented as absent or mild and are typically rapidly reversible.
Systems Affected Manifestations observed were primarily of a neurological and cardiovascular nature. The possibility of theoretical CNS excitability is noted.
Antidote Availability Regulatory documents explicitly state that no specific antidote is known for Meberine.
Management Approach The recommended approach is symptomatic and supportive treatment. Gastric lavage is considered only in cases of multiple intoxication or if ingestion is discovered within approximately one hour.

Emergency Action Mandated by Regulators

  • Upon known or suspected overdose, individuals must seek immediate medical attention.
  • The official guidance mandates that individuals contact a doctor or go to a hospital straight away for professional assessment.
  • The established severity classification emphasizes the mild and rapidly reversible nature of most manifestations, though continuous professional medical observation is required due to the potential for neurological or cardiovascular signs.

This structured profile defines how regulators assess the risk and the necessary immediate response. Regardless of the documented mildness of symptoms, the requirement to seek immediate medical attention is an absolute instruction from regulatory authorities for all overdose events, primarily because no specific antidote is known for the compound.

Therapeutic Uses of Meberine

What Meberine Treats: Main Uses and Benefits

Meberine is an antispasmodic medication primarily used to manage symptoms associated with functional gastrointestinal disorders. It belongs to a group of medicines known as musculotropic antispasmodics, which act directly on the smooth muscles of the digestive tract.

Primary Indications

The most common application for Meberine is the symptomatic relief of Irritable Bowel Syndrome (IBS). It is utilized to address a variety of digestive complaints, including:

  • Abdominal pain and cramps: Helping to ease the localized discomfort often felt in the lower abdomen.
  • Persistent diarrhea: Assisting in the management of frequent or loose bowel movements associated with intestinal hyperactivity.
  • Alternating bowel habits: Managing the fluctuation between constipation and diarrhea common in IBS patients.
  • Flatulence and bloating: Reducing the sensation of fullness and pressure caused by gas.

Additional Gastrointestinal Uses

Beyond IBS, Meberine may be used to treat other conditions where spasms of the gastrointestinal tract contribute to discomfort. These include:

  • Chronic irritable colon: Managing long-term sensitivity and functional disturbances of the large intestine.
  • Spastic constipation: Addressing constipation caused by excessive muscle contractions rather than slow transit.
  • Mucous colitis: Relieving symptoms when inflammation or irritation causes excess mucus production in the stool.
  • Spastic colitis: Targeting the painful cramping associated with colon spasms.

Core Benefits and Mechanism of Action

The primary benefit of Meberine is its ability to provide targeted relief without significantly affecting normal intestinal motility. Unlike some other antispasmodics, it works by:

  1. Direct Muscle Relaxation: It acts directly on the smooth muscle cells of the gut wall to relieve spasms.
  2. Selective Action: Its effect is focused on the digestive system, which reduces the likelihood of systemic side effects typically seen with anticholinergic medications (such as dry mouth or blurred vision).
  3. Restoration of Normal Function: By reducing excessive contractions, it helps the digestive tract return to a more regular and less painful rhythm.

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Meberine — Official Regulatory Information

Populations for whom use is allowed (as stated in label):

  • Adults (18 years and older).
  • Elderly patients.

Populations for whom use is contraindicated:

Classification Population/Condition
Absolute Contraindication Known hypersensitivity to mebeverine hydrochloride or to any of the product's excipients.
Metabolic Restriction Patients with rare hereditary problems of galactose intolerance, total lactase deficiency, or glucose-galactose malabsorption (due to excipient content).
Physiological State Women who are breastfeeding.

Age-related eligibility rules:

Age Group Regulatory Status
Adults (18+) Permitted under standard labeled conditions.
Pediatric (Under 18) Not recommended for use due to insufficient data on safety and efficacy.

Condition-specific restrictions:

  • Pregnancy: Use is not recommended (limited safety information; use only if considered essential).
  • Hepatic/Renal Impairment: Use requires caution, although no specific dosage adjustment is generally deemed necessary for these groups.

The regulatory profile explicitly establishes absolute non-eligibility based on hypersensitivity, lactation, and specific metabolic conditions. Non-eligibility is defined by a regulatory status of "not recommended" for the pediatric population and pregnant women due to a lack of sufficient safety and efficacy data. The profile mandates conditional use (caution) for individuals with pre-existing liver or kidney conditions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope

The official regulatory profile for Meberine (mebeverine hydrochloride) is defined by a lack of documented drug-drug interactions with co-administered medicinal products. Regulatory documents, such as the Summary of Product Characteristics (SmPC), indicate that no dedicated interaction studies have been performed with other medicines.

This status means that specific pharmacokinetic interactions, such as those mediated by CYP enzymes or drug transporters, are not officially documented in the prescribing information. Consequently, the regulatory documentation does not define specific timing-based interaction rules or mandatory administration separation requirements for co-administration with other pharmaceuticals.


Interaction with Specific Substances

Substance Category Official Regulatory Status
Other Medicinal Products No known interactions documented in regulatory labels.
Alcohol (Ethanol) Officially documented absence of interaction. Studies cited by regulatory authorities demonstrated no interaction between mebeverine hydrochloride and ethanol.
Food, Herbal Products, Supplements No interactions with food, herbal products, or supplements are officially documented.

Resulting Interaction Structure

The resulting interaction structure is characterized by the absence of official restrictions on co-administration with other medicines based on interaction findings. The only substance for which a specific interaction status is documented is ethanol, where regulatory studies confirmed a non-interaction finding. This profile reflects the neutral and label-based interaction information provided by government health authorities.

Mechanism of Action

Mebeverine is a musculotropic agent that exerts a direct pharmacodynamic effect on the smooth muscle of the gastrointestinal (GI) tract. Its action involves influencing several pathways to modulate muscle activity, resulting in reduced force of contraction and decreased frequency of action potentials.


Modulation of Ion Channels and Membrane Excitability

Mebeverine primarily modifies ion channel function in GI smooth muscle cells, affecting both Ca^2+ and Na^+ channels. By inhibiting calcium influx and modulating sodium channel activity, the agent reduces the excitability of the muscle cell membrane. This modulation of ion flux directly decreases hypercontractility of the smooth muscle while preserving baseline contractile force.


Influence on Receptor- and Mediator-Signaling

Additional mechanisms include a weak anti-muscarinic activity and the potential to block noradrenaline reuptake at sympathetic nerve endings. The cumulative effect of these interactions is the modification of targeted signaling pathways, which subsequently influences the overall physiological activity within the GI tract smooth muscle.

Dosage and Administration Information

How to Use Meberine: Official Administration Guidelines

Mebeverine (the active substance) is used according to specific guidelines detailed in standard medical documentation. This section outlines the standardized usage protocol for adults based on the dosage form prescribed. The instructions below describe how the medicine must be taken, not why it is prescribed.

Administration Scope

The approved route of administration for mebeverine is oral. Administration must be timed appropriately to maintain the proper dosage levels throughout the day and in relation to meals.

Dosage Form Standard Regimen Frequency Timing
Standard Tablets (e.g., 135 mg) One tablet Three times per day Approximately 20 minutes before a meal
Modified-Release Capsules (e.g., 200 mg) One capsule Twice per day Approximately 20 minutes before a meal

Procedural and Dosing Rules

Standard instructions define the precise actions required when taking the medicine:

  • Method of Administration: The tablet or capsule must be swallowed whole with water. The medicine must not be chewed or crushed.
  • Age-Group Rules: Use is generally restricted to adults (typically age 18 and older).
  • Missed Dose: If a dose is missed, the patient must skip the missed dose and continue with the regular schedule. A double dose must never be taken to compensate.

These guidelines establish the fixed procedure for administration, ensuring the adult patient adheres to the frequency, timing, and method necessary to meet the standards required for correct use.

Recent Clinical Evidence

Meberine: Recent Clinical Evidence

Mebeverine is a musculotropic antispasmodic agent studied for the symptomatic management of Irritable Bowel Syndrome (IBS) and other functional bowel disorders. Clinical research has primarily focused on its effect on abdominal pain, cramping, and associated bowel habit changes.

Findings from Systematic Reviews and Trials

Clinical data on mebeverine's effect compared to placebo have yielded varying conclusions. Some early systematic reviews and meta-analyses, which included a limited number of randomized controlled trials (RCTs), did not identify a statistically significant difference between mebeverine and placebo for global improvement of IBS symptoms or relief of abdominal pain.

However, a more recent systematic review, encompassing a wider range of studies (including nineteen randomized trials), reported that some trials showed a significant decrease in abdominal pain and discomfort following mebeverine treatment. These studies also noted observed improvements in abnormal bowel habits, abdominal distension, and changes in stool frequency and consistency in some patient populations. The interpretation of overall effectiveness may be influenced by differences in trial design, patient selection, and definition of symptom relief across the various studies.

Safety Profile and Tolerability

In most clinical evaluations, mebeverine has been observed to be generally well tolerated. The reported frequency of adverse events has typically been low, and adverse events are often mild, with the incidence not demonstrably higher than that seen with placebo in several trials. Unlike some other classes of antispasmodics, mebeverine is not associated with the typical systemic anticholinergic side effects such as dry mouth or blurred vision. Post-marketing reports have included rare instances of hypersensitivity reactions, such as urticaria (hives) or angioedema (swelling).

Key Studies & References

  1. Mebeverine and the Influence of Labeling in Adolescents With Irritable Bowel Syndrome or Functional Abdominal Pain Not Otherwise Specified: A 2 × 2 Randomized Controlled Trial

Frequently Asked Questions (FAQ)

Common questions about Meberine (FAQ)


Q: Is Meberine a type of anti-inflammatory drug?

Regulatory classifications define Meberine as a musculotropic antispasmodic agent. This pharmacological classification means its primary action is to relax the smooth muscle of the gut to relieve spasms and cramping. It is not classified as an anti-inflammatory drug.


Q: Does Meberine affect blood pressure?

Official regulatory documents describing the adverse effects for Meberine do not list effects on blood pressure, such as low or high blood pressure. The documented safety profile focuses mainly on its local action within the gastrointestinal tract and the risk of hypersensitivity reactions.


Q: Is Meberine a controlled substance?

Meberine (mebeverine) is generally not classified as a controlled substance under government drug scheduling frameworks in most countries.


Q: Can taking Meberine cause weight gain or loss?

Official product information describing the documented adverse effects for Meberine does not list either weight gain or weight loss as a documented undesirable effect.


Q: Is Meberine a prescription-only drug?

Meberine's supply classification is determined by local government health authorities and may vary by region. In many countries, it is commonly supplied as a prescription-only medicine, though some formulations may be available from a pharmacist.


Q: Can Meberine affect my ability to drive or operate machinery?

According to the official product information, based on the medicine's properties, Meberine is not expected to affect the ability to drive or operate machinery.


Q: How is Meberine processed by the liver?

Regulatory documents state that the active substance, mebeverine, is described as being rapidly and extensively metabolized (processed) in the body through a chemical process called hydrolysis.


Q: Why do some people say Meberine made them feel sleepy?

According to official regulatory documents, adverse effects for Meberine do not list tiredness, sleepiness, or other related effects on the central nervous system. The known adverse events reported in the product safety profile are primarily linked to allergic responses and skin reactions.


Q: What are the most common side effects listed in official documents for Meberine?

Official product information states that the frequency of the documented adverse reactions, such as urticaria (hives) or angioedema (swelling), is classified as 'Not Known.' This means the frequency cannot be reliably estimated from the available data. As a result, regulatory documents do not provide a definitive list of the most common side effects.


Q: Is it normal to feel a mild headache when starting Meberine?

Regulatory documents containing the official safety profile for Meberine do not list headache as a reported undesirable effect. The documented adverse reactions are mainly confined to hypersensitivity and skin disorders.


Q: What is the shelf life of Meberine tablets?

The specific shelf life for Meberine preparations is determined by the manufacturer and is stated clearly on the product packaging. Official conditions indicate that the medicine must be kept until the printed expiry date, according to the storage requirements on the label.


Q: How do the different strengths of Meberine tablets compare?

Meberine is available in different dosage forms designed for different administration schedules. The different strengths are associated with different administration schedules, such as the 135 mg tablet typically taken multiple times a day and the 200 mg modified-release capsule taken less frequently. Both formulations contain the same active ingredient, mebeverine.


Q: Can Meberine cause issues with sleep or insomnia?

Official regulatory documents describing the adverse effects for Meberine do not list insomnia, sleep disturbance, or other related effects on the central nervous system.


Q: Is Meberine addictive or habit-forming?

Meberine is not classified as a controlled substance under government scheduling frameworks.


Q: Is Meberine a blood thinner?

Regulatory classifications define Meberine as a musculotropic antispasmodic agent. Its targeted action is on the smooth muscle of the gut, and it is not classified as an antiplatelet or anticoagulant (a 'blood thinner').


Q: Why is Meberine not recommended for people with certain heart conditions?

Official regulatory documentation does not list heart conditions as a contraindication or required precaution for the use of Meberine. The official constraints for use are based on factors like age, hypersensitivity, specific metabolic issues, and lactation.


Q: Are there any documented cases of Meberine overdose?

Regulatory documents describe that in cases of overdose, symptoms are often limited. Symptoms described may include central nervous system (CNS) excitability and potential effects on the heart rate (such as bradycardia).


Q: Is there a link between Meberine and mood changes or depression?

Official regulatory documents describing adverse effects for Meberine do not list mood changes, depression, or other psychiatric disorders.


Q: Is the mechanism of action of Meberine fully understood by scientists?

Official regulatory documents describe Meberine's action as involving multiple pathways within the gut's smooth muscle. These include modification of ion channels and potential effects on certain nerve signals, indicating a multi-faceted profile of action.

How should Meberine be stored and disposed of?

Storage and Disposal of Mebeverine

Official regulatory documents define specific conditions for storing mebeverine to ensure the medicine remains stable and effective until its expiry date.

Storage Requirement Official Condition
Temperature Store at a temperature not greater than 30 C.
Protection Keep in the original container to protect from moisture and light.
Child Safety Mandatory to store out of the sight and reach of children.
Disposal Do not throw away via wastewater or household waste.

For disposal, ask a pharmacist how to discard expired or unused mebeverine. This procedure ensures proper handling and helps protect the environment, as disposal must be done in accordance with local requirements.

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

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