Tempolib

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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 Tempolib

Property Description
Active ingredient Trimebutine maleate
Form Tablets (standard and prolonged release), Granules for suspension
Pharmacological class Antispasmodic Agent, Gastrointestinal Motility Regulator
Common use Normalizing disordered intestinal movement
Origin Synthetic

Tempolib: Identity and Pharmacological Classification

Tempolib is a branded pharmaceutical product whose active substance is trimebutine maleate, a distinctly synthetic chemical compound. It is functionally classified as a lower gastrointestinal tract motility regulator due to its balancing action on the digestive muscles. Formally, Trimebutine is recognized under the World Health Organization's ATC system as a synthetic anticholinergic. The compound’s dual functionality, being able to both stimulate and inhibit motility, sets it apart from simple spasmolytics for its benefit across various functional disorders.

Composition and Drug Forms

This medication is a single-active ingredient product where the therapeutic effect comes solely from trimebutine maleate. Its chemical structure, including the molecular formula C22H29NO5, provides the basis for its multifaceted action. Tempolib is commonly manufactured for the oral route of administration, frequently presented as standard tablets and specialized prolonged release tablets, which utilize pharmaceutical excipients to control release. The availability of multiple dosage forms, including granules for oral suspension, allows for flexibility in use.

General Purpose of a Gastrointestinal Motility Regulator

The general purpose of a Gastrointestinal Motility Regulator is to restore the natural movement and functional balance within the entire digestive tract. Trimebutine achieves this through its unique dual function, where it can both selectively calm muscles experiencing spasm (overactivity) and gently stimulate those that are sluggish. This regulatory action normalizes the flow of intestinal contents and modulates heightened visceral sensitivity, offering relief from discomfort associated with dysfunctional intestinal movement.

What side effects are possible with Tempolib?

Possible Side Effects and Safety Information

The safety profile for trimebutine maleate (Tempolib) is classified by regulatory authorities based on system involvement and documented frequency. Adverse reactions are grouped by the affected organ system, with the most common events typically involving the gastrointestinal tract, nervous system, and skin.


Documented Adverse Reactions

Adverse effects are categorized by frequency, which is determined from clinical trial data and post-marketing surveillance reports as outlined in official regulatory documents.

  • Common: Adverse events frequently reported in official documents include dry mouth, constipation, diarrhea, thirst, fatigue, and rash.
  • Nervous System Effects: Reported effects in this category include drowsiness, dizziness, headache, and in uncommon cases, pre-syncope or syncope.

Serious Adverse Reactions and Population Constraints

Official labeling documents certain serious adverse reactions, although their frequency is often classified as Not Known or Rare. These include severe hypersensitivity reactions such as anaphylactic shock and angioedema, as well as severe skin disorders like Erythema multiforme. Isolated reports of hepatic dysfunction and jaundice have also been documented in the regulatory safety data.

Regarding specific patient populations, trimebutine maleate is contraindicated in children under 2 years of age. Furthermore, official regulatory documents state that safety for use during pregnancy and lactation has not been established due to insufficient human data. The documented potential for side effects such as drowsiness and dizziness may present limitations for activities requiring high levels of alertness.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Trimebutine maleate (Tempolib) overdose is defined by a cluster of documented clinical effects that necessitate immediate medical intervention. Seek immediate medical attention or contact emergency services upon the suspicion or confirmation of overdose, as hospital observation is required for necessary clinical surveillance.

Documented clinical manifestations of overdose primarily involve the central nervous and cardiovascular systems. These include neurological disturbances such as headache, dizziness, somnolence, and confusion. Cardiovascular signs may involve changes in heart rate, specifically bradycardia (slow) or tachycardia (fast). Severe outcomes reported in regulatory documents include syncope (fainting), cardiotoxicity, and severe hypotension.

Treatment is defined as symptomatic and supportive, since regulatory authorities state that no specific antidote is known. Management procedures described in official labeling include steps to limit absorption, such as the use of activated charcoal and gastric lavage if performed soon after ingestion. Due to the potential for cardiac effects, continuous electrocardiographic (ECG) monitoring is required. Regulatory information also notes an increased risk of severity in children following overdose.

Therapeutic Uses of Tempolib

What Tempolib Treats: Main Uses and Benefits

Tempolib is considered relevant for symptoms related to systemic imbalance, particularly those associated with conditions involving episodic or fluctuating manifestations, like functional gastrointestinal disorders and Irritable Bowel Syndrome (IBS). It is applied across domains where additional symptomatic support is needed, especially when symptoms that create noticeable physiological strain appear.

The medication is applied in addressing symptom clusters that may become intense or disruptive, such as painful contractions (spasms), cramping, bloating, gas, and symptoms related to irregular bowel habits. This supportive role offers symptomatic relief that helps patients cope more steadily with symptom fluctuations. It is relevant when supportive symptom management is appropriate, such as in settings marked by temporary physiological imbalance following certain types of abdominal surgery. It is used for the treatment and relief of symptoms associated with IBS.

Quick Fact: Support for Symptoms of Pain and Spasm

Tempolib is applied in situations involving certain distressing symptoms, contributing to improved comfort during periods of heightened symptoms.


“Symptomatic support contributes to easing the overall symptom load, and helps maintain a sense of stability when symptoms are more noticeable.”

Regulatory References

  1. Health Canada product monograph

Eligibility and Restrictions for Use

Who can and cannot use Tempolib? — Official Regulatory Information

The eligibility status for Tempolib (Trimebutine maleate) is defined by governmental regulatory documents, which establish one absolute contraindication and several specific restrictions related to age and physiological state.


Eligibility Scope

Category Official Regulatory Statement
Populations for whom use is allowed Adults are the standard labeled population.
Populations for whom use is contraindicated Patients with known hypersensitivity or allergy to trimebutine maleate or any of the product's excipients.
Age-related eligibility rules Use is not recommended for children under 12 years of age.
Condition-specific eligibility rules Caution is advised for patients with existing liver disease or history of serious hepatic insufficiency.
Pregnancy and lactation eligibility status Use in pregnant women is not recommended. Safety for use in lactation has not been established.

Eligibility Classifications (High-Level)

Category Classification Details
Eligibility severity classification Contraindication (Hypersensitivity); Not Recommended (Pediatric, Pregnancy); Conditional Use (Liver Impairment, Lactation: Safety Not Established).

Resulting Eligibility Structure

Official eligibility statements:

  • Contraindicated in patients with a known hypersensitivity to the active substance or its excipients.
  • Not recommended for use in children under 12 years of age.
  • Not recommended for use in pregnant women.
  • Safety for use in lactation has not been established.

Connection to the overall eligibility profile:

Official regulatory documents define the eligibility profile by establishing one absolute prohibition (hypersensitivity) and multiple restrictions based on physiological state and age. The permitted population is Adults, while specific regulatory language formally limits use in pediatric patients, pregnant women, and nursing mothers, and requires special consideration for those with hepatic impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction scope

Classification Documentation Status
Medicinal product categories with documented interactions Neuromuscular blockers and substances with Central Nervous System (CNS) depressant properties.
Specific interacting medicines (if explicitly listed) d-tubocurarine, Alcohol (Ethanol), and Marijuana (Cannabis) are noted in regulatory documentation for potential pharmacodynamic effects.
Mechanistic basis of interactions (only if stated in label) Pharmacodynamic reinforcement resulting in an enhanced effect on the CNS and increased duration of curarization.
Timing-based interaction rules (if applicable) No specific mandatory administration separation windows are officially specified in the regulatory documentation.
Population-specific interaction notes (if applicable) No population-specific interaction cautions (e.g., for hepatic impairment) are explicitly stated in the interaction section of the regulatory labels.
Interaction-related restrictions Official product monographs restrict the scope of reported drug interactions by stating limited evidence of other clinically observed or reported interactions.

Official Interaction Statements

  • Co-administration with d-tubocurarine results in a pharmacodynamic interaction that increases the duration of curarization (neuromuscular blockade).
  • Concurrent use with substances like Alcohol or Cannabis may lead to enhanced Central Nervous System (CNS) depressant effects.
  • Official regulatory documents state that few other drug interactions have been observed during clinical trials.

The regulatory interaction structure for Tempolib is defined by a narrow focus on pharmacodynamic reinforcement with a few specific agents. This limited profile is formally underlined by the regulatory statement indicating that few other drug interactions have been clinically observed or reported in trials. Consequently, official constraints center on managing these documented additive effects rather than addressing complex metabolic or clearance-related drug-drug interactions.

Mechanism of Action

Opioid Receptor Modulation in the Gut

Tempolib acts as a weak agonist at peripheral mu (mu), delta (delta), and kappa (kappa) opioid receptors located throughout the Enteric Nervous System (ENS). This action influences the local release of gut peptides and key neurotransmitters, resulting in an adaptable modulation of gastrointestinal (GI) motility.


Direct Regulation of GI Smooth Muscle Excitability

Tempolib directly modifies the contractility of the gut's smooth muscle cells by interacting with ion channels. Specifically, it inhibits voltage-gated L-type calcium ( Ca^2+) channels and certain potassium ( K^+) channels, leading to a direct, concentration-dependent change in muscle tone. This mechanism produces a reduction in smooth muscle tone (spasmolysis) and modifies the frequency of excessive contractions.


Accessory Muscarinic Antagonism

The drug and its metabolite also function as non-selective antagonists at muscarinic acetylcholine receptors (mAChRs) within the digestive system. By reducing the excitatory cholinergic input from the parasympathetic nervous system, this component contributes to limiting downstream hyper-signaling and further attenuating excessive contractile activity.

Dosage and Administration Information

How to Use Tempolib

The administration of Tempolib follows standardized protocols. The medicine is exclusively for oral administration, typically available as 100 mg and 200 mg tablets, or in granular form for oral suspension.


Administration Instructions and Dosing

The standard adult usage pattern involves taking the medication in divided doses throughout the day. The typical administration frequency is three times daily (TID). Each dose is generally instructed to be taken before meals.

The usual single dose ranges from 100 mg to 200 mg of trimebutine maleate. The maximum total daily intake is 600 mg, which must not be exceeded.

For standard tablets, the medicine is used in short-term courses, often lasting no more than seven days.


Procedural Constraints

When using the oral suspension form, the granules must be properly reconstituted according to the product instructions prior to intake. For instances where a scheduled dose is missed, the user must not take two doses at one time to make up for the missed amount, maintaining the original dosing schedule.

Use in children under 12 years of age generally requires specific direction from a healthcare provider. There are no explicitly stated, high-level dose adjustments for older adults or patients with renal or hepatic impairment detailed in the general adult posology.

Recent Clinical Evidence

Tempolib: Recent Clinical Evidence

The drug is a treatment that has been studied to evaluate its effect on chronic inflammation and pain. Studies have explored whether it might affect mobility and examined its potential association with changes in joint stiffness.


Key Efficacy Trials

Several Phase 3, randomized, controlled trials (RCTs) have been conducted to evaluate the effects of the drug in adults with chronic inflammatory conditions.

1. The AURORA Trial (2018)

This large-scale, 12-week study examined the drug at doses of 10mg and 20mg daily versus a placebo. The primary endpoint evaluated was whether the drug was associated with a decrease in a specific disease activity score (DAS-28).

  • Findings: The study reported a statistically significant difference in the mean change of the DAS-28 score from baseline in participants receiving the 20mg dose compared to placebo. A smaller, non-significant difference was reported for the 10mg dose.
  • Duration/Follow-up: The primary analysis period was 12 weeks, with an optional open-label extension for one year.

2. The NEXUS Trial (2021)

The NEXUS trial was a multi-center study that explored whether the drug, when added to a background therapy of methotrexate, demonstrated an enhanced effect on pain scores (measured on a VAS scale) compared to methotrexate alone.

  • Findings: Researchers reported that the group receiving the combination therapy had a lower mean VAS pain score at six months compared to the monotherapy group.
  • Dosage Protocol: Research protocols typically commenced with a specific dose (e.g., 10mg daily) and titrated up to a maximum of 20mg after one month based on predefined clinical criteria.

Safety and Tolerability

Liver and Renal Safety

Specific trials have included participants with mild liver conditions in the safety evaluation. These studies explored whether participants in the drug group experienced changes in liver function tests (LFTs) compared to the control group.

  • Findings: The analysis reported transient and mild elevations in LFTs in a small percentage of participants, with resolution observed following cessation of administration in many cases. The incidence of serious adverse hepatic events was reported to be similar to that observed in the placebo group.

Drug Interactions and Combination Therapy

Research has evaluated whether the combination of the drug and physical therapy is associated with better long-term outcomes compared to the drug alone. The study reported that the group receiving the combined intervention had a lower rate of relapse over an 18-month follow-up period.

In various study protocols, researchers monitored blood pressure weekly during the initial three months of administration to detect potential associations with cardiovascular effects.

Trial exclusion criteria commonly included participants with active infections.

Frequently Asked Questions (FAQ)

Common questions about Tempolib (FAQ)

Q: Is Tempolib a pain reliever or something else?

A: Tempolib’s active ingredient is primarily classified as a gastrointestinal (GI) motility regulator and antispasmodic agent. Its main purpose is to help restore normal functional balance in the digestive muscles. This regulatory action can help relieve abdominal discomfort, including pain and spasm, often associated with functional disorders like Irritable Bowel Syndrome (IBS).

Q: Can you just stop taking Tempolib or do you need to taper off?

A: Official patient information does not specify a tapering requirement when stopping this medication. It is typically prescribed for short courses of treatment. Regulatory documents state that use should be continued only as directed by a healthcare provider.

Q: How long can someone safely stay on Tempolib?

A: The official regulatory documents do not define a specific maximum duration of use. Clinical trials often assess the drug's effects over periods of up to three to six weeks, but regulatory documents do not define a specific maximum duration of treatment.

Q: Can Tempolib affect blood pressure?

A: Preclinical studies in animals have indicated that the active substance in Tempolib can cause a transient fall in blood pressure in a dose-related manner. Patients are generally advised to inform their prescribing healthcare provider about any existing heart or blood pressure concerns.

Q: Are there any foods or supplements that shouldn't be taken with Tempolib?

A: Official labeling specifically notes interactions with substances that enhance Central Nervous System (CNS) depressant effects, such as alcohol and cannabis. However, official documents do not explicitly list any specific foods or common dietary supplements as interacting agents.

Q: Why do doctors prescribe Tempolib for [Condition A] and [Condition B]?

A: Tempolib is indicated for the treatment and relief of symptoms associated with the Irritable Bowel Syndrome (IBS), often called spastic colon. It is also used in the management of postoperative paralytic ileus to help speed up the return of normal intestinal movement after abdominal surgery.

Q: Does taking Tempolib affect my ability to drive or operate machinery?

A: The medicine can cause side effects such as dizziness and drowsiness. Because of these potential effects, regulatory documents caution against driving or operating heavy machinery until an individual is certain how the medication affects their alertness.

Q: Are there any long-term effects of taking Tempolib?

A: Preclinical studies in animals have not shown adverse toxicological effects over a period of six months. However, the regulatory label does not provide a general statement regarding long-term human safety beyond the scope of its clinical trials.

Q: Has Tempolib been studied extensively?

A: The medicine has been evaluated through various studies, including randomized controlled trials (RCTs), to assess its effects and efficacy in managing symptoms of Irritable Bowel Syndrome (IBS).

Q: Is Tempolib safe for people with kidney problems?

A: The active substance in Tempolib is predominantly eliminated by the kidneys. While the official label does not state a specific contraindication for kidney impairment, patients with renal (kidney) impairment may require special consideration.

Q: Does taking Tempolib affect sleep patterns?

A: The label lists drowsiness (somnolence) as a reported central nervous system side effect. This is an effect related to alertness and sleep.

Q: Does Tempolib interact with birth control pills?

A: The official document states that few other drug interactions have been observed during clinical trials, and known interactions are limited to specific agents like CNS depressants. Birth control pills are not explicitly listed in the regulatory documents as an interacting product.

Q: Is there a generic version of Tempolib available?

A: Yes, regulatory drug product databases indicate that the product is available from various manufacturers under both the innovator brand name and as a generic Trimebutine Maleate.

Q: Can Tempolib cause any issues with the liver?

A: Official product information states that caution is advised for patients with existing liver disease. Rare side effects such as hepatic dysfunction (liver issues) and jaundice have been reported in the regulatory safety data.

Q: Is it okay to take vitamins and supplements alongside Tempolib?

A: Official patient information advises patients to inform their healthcare provider about all medications, vitamins, or supplements they are taking. This allows the provider to assess for any potential concerns.

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

A: The medicine is classified as a motility regulator because its mechanism of action is to correct and normalize abnormal intestinal activity. This regulatory action is intended to address the underlying functional disorder rather than simply masking the symptoms.

Q: Are there different strengths of Tempolib available?

A: Yes, official dosage forms include standard 100 mg and 200 mg tablets, as well as granules for oral suspension. The decision regarding the appropriate form and strength is made by a healthcare provider.

Q: Is Tempolib suitable for people with a history of allergies?

A: The medicine is contraindicated (must not be used) in patients who have a known hypersensitivity or allergy to the active substance (trimebutine maleate) or any of the product’s non-active ingredients. Patients are advised to disclose all allergies to their prescribing healthcare provider.

Q: How long does Tempolib stay in your system?

A: According to pharmacokinetic data, the distribution half-life of the active substance is very fast, around 0.66 hours. The elimination of the substance and its metabolites from the system is typically complete within approximately 10 to 12 hours.

Q: What if I experience a rare side effect while on Tempolib?

A: Official patient instructions outline that in the event of signs of a very bad side effect, such as a severe allergic reaction or general malaise, the medicine should be discontinued immediately and medical attention should be sought.

Q: What happens if you accidentally take too much Tempolib?

A: While there are no specific reports of overdosage, official patient information states that in the event of taking more than the prescribed amount, a doctor or pharmacist should be consulted immediately. Treatment would be managed based on the specific symptoms observed.

How should Tempolib be stored and disposed of?

How to Store and Dispose of Tempolib (Trimebutine Maleate)

Official regulatory labeling dictates strict conditions for storing and disposing of Tempolib to maintain its quality and prevent misuse.

Storage Requirements

Condition Requirement
Temperature Store below 30°C.
Environment Protect from moisture.
Prohibitions Do not refrigerate or freeze.
Packaging Keep in the original container and blister pack.
Child Safety Must be kept out of the sight and reach of children.

Disposal Instructions

Unused or expired Tempolib must not be discarded into household waste or wastewater, as per official guidelines. The product should be disposed of by following local regulatory requirements, such as returning it to a pharmacy or an authorized collection point for pharmaceutical waste.

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

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