Indigest

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Indigest

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Medically reviewed

Laura Arias

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 Indigest

Property Description
Active Ingredient Menbutone (Genabilic acid)
Form Solution for injection (Parenteral liquid)
Pharmacological Class Choleretic agent, Gastro-hepato-pancreatic restorer
General Purpose Restoring functional fluid output in the digestive system
Origin Synthetic (Oxobutyric acid derivative)

What is Indigest and What Class of Medicine Does it Belong To?

Indigest is a specialized, single-ingredient veterinary medicinal product defined by its active substance, Menbutone. It functions primarily as a potent choleretic agent and a gastro-hepato-pancreatic restorer. This preparation is specifically designed to address underlying functional insufficiency by directly activating the secretory capabilities of the digestive glands. Indigest is classified in the WHO ATCvet system in the category of "Other drugs for bile therapy."


Composition: Active Ingredient Menbutone and Pharmaceutical Form

The medicine is defined by its sole active ingredient, Menbutone, a synthetic compound classified chemically as an oxobutyric acid derivative. The active component is produced via chemical synthesis, which ensures its purity and consistent pharmacological action, a critical factor for controlled veterinary use. Indigest is formulated strictly as a clear, liquid solution for injection. This necessitates a parenteral route of administration—meaning it is given via injection—which ensures rapid, complete systemic delivery of the active substance.


General Purpose of the Choleretic Action

The primary purpose of Indigest is to quickly alleviate symptoms associated with sluggish digestion by rapidly stimulating the production of essential digestive fluids. This effect is achieved through its principal choleretic property, which is the selective and significant physiological action of prompting a massive, integrated surge in the secretion of bile, pancreatic juice, and gastric juice. In this process, Menbutone functions as a direct secretagogue. The general benefit is a rapid and fundamental restoration of functional digestive health, significantly improving the breakdown and assimilation of food in the gastrointestinal tract.

What side effects are possible with Indigest?

Possible Side Effects and Safety Information

The safety profile for Indigest (Menbutone) is officially documented by regulatory authorities, classifying adverse reactions based on their frequency observed in clinical use. The terminology used aligns with European Union standards.


Adverse Reaction Frequencies and System Classes

The most serious reaction documented is anaphylactic-type reactions, which are classified as Very Rare, meaning they occur in less than 1 out of 10,000 treated individuals. Other classified events include recumbency (inability to stand or lie down normally), which is officially listed as a Rare reaction (1 to 10 out of 10,000 treated individuals).

Reactions specifically related to the parenteral administration site, such as oedema, haemorrhage, and necrosis, are also documented as Very Rare events following intramuscular injection.

A separate group of systemic effects are listed where the frequency cannot be estimated from available data. These include reactions involving the nervous and exocrine systems, such as tremor, ptyalism (excessive salivation), lacrimation (tearing), restlessness, and changes in respiration (tachypnoea), as well as involuntary effects like defecation and urination.


Regulatory Safety Constraints

Official labeling defines specific restrictions for use based on health status. The medicine is contraindicated for individuals with known hypersensitivity to the active substance or its components. Use is also restricted in individuals with pre-existing cardiac disease or during the late stages of pregnancy.

Safety notes also indicate that certain reactions, such as recumbency, may be transient and may be more frequently observed following rapid intravenous injection.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation for Indigest (Menbutone) defines the overdose profile primarily by the absence of specific data. Official labeling explicitly documents that specific overdose symptoms, emergency procedures, and antidotes are "None known."

While a formal overdose syndrome is not described, acute clinical signs of high exposure or rapid administration are officially documented. These manifestations may include salivation, tremors, spontaneous urination and defecation, and an increased respiratory frequency.

The most serious outcome noted in regulatory documents is transient recumbency (temporary inability to stand), which is specifically associated with rapid intravenous injection. Additionally, severe local tissue reactions like oedema or necrosis may occur.

Urgent medical attention is required for the management of these severe documented outcomes. The official guidance on help-seeking is therefore structured around addressing these acute clinical signs and the potential for a severe transient event, as the absence of a specific antidote necessitates that treatment remains symptomatic and supportive.

Therapeutic Uses of Indigest

What Indigest Treats: Main Uses and Benefits

The medication is commonly used to help with symptomatic manifestations in conditions where the digestive system and associated organs may be experiencing functional stress, particularly where additional symptomatic support is needed.

Indigest is generally used for managing symptoms associated with simple indigestion, functional insufficiency of the liver and pancreas, gastrointestinal atony, and metabolic syndromes such as ketosis. It may be part of supportive care during conditions involving acute toxicity, digestive upset, and postpartum stress.

The treatment is considered relevant in clinical settings marked by the suppression of appetite (anorexia) or signs of sluggish digestion. The therapeutic benefit generally contributes to improved comfort during symptomatic periods, supporting the processes of nutrient utilization. By addressing symptoms related to organ-specific functional stress, the medication may assist with managing symptoms that interfere with daily comfort. This helps maintain a sense of stability and supports general well-being during symptomatic phases.


Quick Fact: Supportive Management for Atonic Symptoms

Indigest is relevant for easing symptoms related to depressed gastrointestinal motility, often including colic, flatulency, and signs of rumen atony, which commonly cluster with secretory failure.

Regulatory References

  1. HPRA Summary of Product Characteristics for Menbutone

Eligibility and Restrictions for Use

Who can and cannot use Indigest?

Eligibility for Indigest (Menbutone) is defined by regulatory standards that specify both the approved species and conditions that constitute a formal contraindication.


Category Official Eligibility Status
Populations for whom use is allowed Target Species: Cattle, Pigs, Horses, Sheep, and Goats. Use is allowed in Lactating animals [HPRA SmPC].
Populations for whom use is contraindicated Animals with known hypersensitivity to Menbutone or its excipients. Animals with existing cardiac disease or heart failure [HPRA SmPC].
Age-related eligibility rules Use is established in young animals, such as calves up to six months old [HPRA SmPC].
Pregnancy and lactation eligibility Use is prohibited during the last third of pregnancy; use may be allowed during lactation [HPRA SmPC].

The overall eligibility profile confirms that the medicine must not be used in animals with a cardiac disease or hypersensitivity to the drug. Furthermore, a strict prohibition is in place for animals in the final stage of pregnancy. Use is established and permitted for the designated target species, including young and lactating animals.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation for the active substance Menbutone (Indigest) consistently indicates that no systemic drug–drug interactions are known. This means there are no officially documented instances of pharmacokinetic (exposure-altering) or pharmacodynamic (effect-modifying) interactions requiring labeled restrictions when Menbutone is systemically co-administered with other medicinal products. The profile is marked by the absence of known metabolic (CYP-mediated) or transporter-based interactions, as stated in the Summary of Product Characteristics from national health authorities.


Administration Incompatibility Restrictions

While systemic interactions are not documented, the product label imposes specific pharmaceutical incompatibility constraints, which necessitate mandatory timing rules for administration. These restrictions are designed to prevent physicochemical issues, such as precipitation or degradation, rather than pharmacological systemic interactions.

  • Mandatory Administration Restriction: Indigest must not be administered together with solutions containing the following substances:
    • Calcium Salts
    • Procaine Penicillin
    • Vitamin B Complex

This required separation applies only to the co-administration of the injectable solutions. No interactions are officially documented regarding food, alcohol, herbal products, or supplements. The overall regulatory structure classifies the interaction profile as having no known systemic interactions but requires strict adherence to these procedural constraints.

Mechanism of Action

Indigest reduces the functional activity of the Cathepsin K (CTSK) enzyme, a cysteine protease predominantly expressed in osteoclasts. Indigest achieves this through its selective, reversible binding to the active site of the CTSK enzyme. This binding subsequently decreases the proteolytic degradation of non-collagenous bone proteins, leading to decreased release of collagen fragments.

This action restricts osteoclast-mediated bone resorption by limiting the hydrolysis of the organic bone matrix components, thereby modulating the remodeling cycle. The resulting effect is a direct, biochemical alteration of the proteolytic cascade within the osteoclast cell. This mechanism focuses solely on inhibiting the specific enzymatic process responsible for matrix breakdown, establishing a shift in the bone turnover equilibrium.

Dosage and Administration Information

How to Use Indigest: Official Administration Guidelines

Indigest (Menbutone) is a veterinary medicinal product administered exclusively via the parenteral route, meaning it is delivered by injection. The established methods are Intravenous (IV) injection and Intramuscular (IM) injection.


Official Dosing and Frequency

The fundamental dosing principle is based strictly on body weight. The standard regimen specifies the use of 10 milligrams of Menbutone per kilogram of body weight. For the commercially available 100 mg/mL solution, this equates to 1 milliliter of solution per 10 kilograms of body weight.

Indigest is intended for single-dose, acute use. While it is not designed for chronic or cyclical use, it may be repeated once if necessary, provided a minimum interval of 24 hours has passed since the initial dose.


Administration Technique and Constraints

The correct administration technique varies by route:

  • Intravenous injection must be performed slowly.
  • Intramuscular injection must be administered deeply, and the volume injected at a single site is restricted to a maximum of 20 milliliters to ensure proper delivery.

Furthermore, the solution for injection must not be mixed with solutions containing certain components, including calcium salts or Vitamin B complex solutions, due to known incompatibilities. The medicine is also restricted from use during the last third of pregnancy.

Recent Clinical Evidence

Indigest: Recent Clinical Evidence

Evidence Base and Study Focus

Research on Indigest (Menbutone) has historically focused on conditions characterized by functional limitations of the digestive organs, such as simple indigestion, sluggish digestion, and digestive upset. The substance was studied in a context where stimulation of digestive fluids was explored. The majority of the available research studies explored the observed physiological actions using pre-clinical pharmacological models and controlled laboratory settings. These studies primarily monitored outcomes related to systemic or functional imbalance by measuring quantitative changes. For instance, research examined key biomarkers such as the volume of bile, pancreatic juice, and gastric juice produced. Findings from these controlled settings describe patterns where a rapid, significant surge in the output of these digestive secretions was measured. Clinical experience documented through field surveys was observed in populations presenting with reduced appetite and depressed gastrointestinal motility, and these reports described changes measured in visible clinical signs.

Duration of Effect and Long-Term Data

The research exploring the duration of the substance's effect focused on the immediate physiological response following administration. Research provides insight into short-term changes, finding that the substance's peak stimulating effect on digestive secretions is typically brief, lasting only a few hours. The follow-up durations were limited in these acute pharmacological studies. Consequently, long-term effects are not fully established, and there is limited information for long-term outcomes that track the sustained or chronic impact on functional digestive health over extended periods.

Evidence Quality and Research Limitations

The overall certainty regarding the clinical evaluation of Indigest remains low when assessed against the current standard for medicinal products. This is because evidence quality varies across studies, and the documentation relies heavily on historical pharmacological findings and accumulated field observations rather than modern, large-scale, randomized controlled trials (RCTs) designed to measure clinical outcomes comprehensively. Research was evaluated in various species populations; however, the results apply only to the populations studied, and data for certain groups remain insufficient to draw broad, consistent findings. Comparative evidence is lacking, meaning few studies have rigorously compared the medicine to a placebo or to other available treatments. The absence of modern trial data is noted as a scientific limitation, and the findings describe group patterns, not personal outcomes.

Key Studies & References

  1. Summary of Product Characteristics for Menbutone

Frequently Asked Questions (FAQ)

Common questions about Indigest (FAQ)

Q: How quickly should Indigest start working after I begin taking it?

Research provides insight that the substance's peak stimulating effect on digestive secretions is typically measured to be rapid. This key physiological response was found to occur within the first few hours following administration.

Q: Can Indigest be taken long-term?

Official guidelines specify that Indigest is intended for single-dose, acute use, not chronic or long-term treatment. Furthermore, regulatory documents note that long-term effects are not fully established, as follow-up durations in acute pharmacological studies were limited.

Q: Do studies suggest that Indigest is safe for older people?

Official regulatory documentation provides specific statements regarding the use of Indigest in young animals, such as calves. However, it does not provide specific statements or research findings related to the use in older populations.

Q: Is Indigest likely to interact with common pain relievers?

Official regulatory documentation consistently indicates that no systemic drug–drug interactions are known for the active substance Menbutone. The official safety profile is marked by the absence of known metabolic or transporter-based interactions, meaning no systemic drug–drug interactions are known for co-administration.

Q: Is Indigest safe to take with vitamins or herbal supplements?

According to official documents, no systemic interactions are officially documented regarding herbal products or supplements. However, the official label requires the injectable solution not be mixed with Vitamin B Complex solutions during co-administration due to pharmaceutical incompatibility constraints.

Q: How long does the effect of one dose of Indigest typically last?

Research indicates that the substance's peak stimulating effect on digestive secretions is typically brief. The duration of this peak stimulating effect was found to last for only a few hours following administration.

Q: Does Indigest have a weight-loss side effect?

Weight loss is not listed as an officially documented adverse reaction (Very Rare, Rare, or Frequency Cannot be Estimated) in the official safety profile for Indigest.

Q: Does Indigest change the way the liver or kidneys function?

The drug is officially classified as a gastro-hepato-pancreatic restorer. While this implies a functional role related to the liver, pre-existing liver or kidney disease is not listed as a formal contraindication in the official labeling.

Q: Is Indigest's purpose only to relieve symptoms or does it treat the underlying cause?

The primary purpose of Indigest is to quickly alleviate symptoms associated with sluggish digestion. It achieves this by directly activating the secretory capabilities of the digestive glands, which addresses the underlying functional insufficiency.

Q: Can Indigest be taken on an empty stomach?

Administration is via the parenteral (injection) route, either intravenously or intramuscularly. Official documents do not provide instruction or restriction concerning the fasting or feeding status of the individual at the time of injection.

Q: Can Indigest be used by people who are sensitive to certain dyes or fillers?

The medicine is formally contraindicated for known hypersensitivity to the active substance (Menbutone) or its excipients (fillers/inactive components). Official documentation does not list specific dyes or fillers, so any history of sensitivity would require checking the full excipient list.

Q: Is Indigest known to cause any skin reactions?

The official safety profile lists reactions specifically related to the injection site, such as oedema, haemorrhage, and necrosis, as Very Rare events. Non-site-specific skin reactions are not listed in the documented adverse reactions.

Q: How often do people need to adjust their treatment plan while on Indigest?

Indigest is intended for single-dose, acute use. Official guidelines state that administration may be repeated only once after a minimum 24-hour interval. This single-dose profile limits the concept of a long-term treatment plan requiring frequent adjustment.

Q: Can I take Indigest if I have a history of allergies to medicines?

The medicine is formally contraindicated only for individuals with known hypersensitivity to the active substance (Menbutone) or its components. It does not contain a broad restriction based on a general history of allergies to other medicines.

Q: Is the use of Indigest supported by international health organizations?

The drug's classification and place in therapy are established by the WHO ATCvet system, and regulatory documentation is supported by major bodies such as the European Medicines Agency (EMA) and national health agencies.

Q: Are there any specific foods that should be avoided when taking Indigest?

Official regulatory documents state that no interactions are officially documented regarding food. Therefore, there are no specific foods that need to be avoided when using Indigest.

Q: Are the research findings on Indigest consistent across different population groups?

Official evidence documentation states that evidence quality varies across studies, and the results apply only to the populations studied. Data for certain groups remain insufficient to draw broad, consistent findings.

How should Indigest be stored and disposed of?

Storage and Handling Requirements

Storage of Indigest (Menbutone solution for injection) must comply with the conditions defined in the official regulatory labeling to ensure product stability. The medication must be stored at a temperature below 25°C and must be protected from light. It is explicitly required that the product not be refrigerated or frozen. The solution must be kept in the original container and stored out of the sight and reach of children.

Stability and Disposal

Once the immediate packaging is opened, the remaining product has a limited shelf-life and must be discarded after 28 days. Disposal of any unused product or waste material must be done in accordance with local requirements. Regulatory guidelines prohibit disposal of the product via wastewater or general household waste to prevent environmental exposure.

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

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