Kohle-Hevert

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Kohle-Hevert

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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 Kohle-Hevert

Quick Facts

Property Description
Active Ingredient Activated Charcoal (Carbo activatus)
Form Tablets (for oral administration)
Pharmacological Class Adsorbent, Intestinal Adsorbent, Antitoxic Agent
Common Use General detoxification and acute gastrointestinal upset
Origin Derived substance (processed carbonaceous material)

What Type of Medicinal Product is Kohle-Hevert?

Kohle-Hevert is classified as an adsorbent and an antitoxic agent, belonging to the pharmacological class of intestinal adsorbents. This designation indicates that the product's action is confined to binding substances within the digestive system, differentiating it from medicines that work via systemic absorption into the bloodstream. The active substance, activated charcoal, is clinically recognized for its ability to treat certain forms of poisoning and is included on the World Health Organization Model List of Essential Medicines. Kohle-Hevert is a distinctive presentation of this core ingredient, manufactured by Hevert-Arzneimittel, a German company.

The Active Ingredient: Activated Charcoal (Carbo Activatus)

The sole active ingredient in this medicinal product is activated charcoal, formally known as Carbo activatus. Kohle-Hevert is primarily presented as tablets intended for the oral route of administration. The ingredient itself is a derived substance: a highly porous carbon material created through specific heating and activation processes. This specialized treatment is necessary to maximize the compound's internal surface area, providing the necessary affinity for adsorption.

General Purpose and Non-Systemic Action

The function of Kohle-Hevert relies on its non-systemic action, meaning the activated charcoal remains unabsorbed within the gastrointestinal tract. This property is critical for its primary role as a detoxifying agent. Because activated charcoal is neither absorbed nor metabolized, it facilitates the elimination of bound material through feces. The general purpose of the product is to assist the body in prompt gut cleansing, offering a mechanism to physically remove various unwanted compounds, such as certain toxins and excess gas, from the digestive system.

What side effects are possible with Kohle-Hevert?

Possible Side Effects and Safety Information

The safety profile of Kohle-Hevert, which contains Activated Charcoal, is defined by its non-systemic action within the gastrointestinal tract, as documented in official regulatory sources.

Adverse Reaction Scope

Category Entity Name (as per Regulatory/Official Source)
Key adverse reaction categories Gastrointestinal disturbances and mechanical risks (aspiration/obstruction).
Frequency classification Common/Expected: Black stools (medically insignificant), Constipation. Not Known: Vomiting/Emesis, Diarrhoea, Abdominal swelling.
System-organ classes involved Gastrointestinal Disorders, Respiratory, Thoracic and Mediastinal Disorders.
Serious adverse reactions Pulmonary Aspiration (risk of airway obstruction), Gastrointestinal Obstruction (bowel obstruction or faecal impaction).
Population-specific safety considerations Specific caution required for patients with a depressed level of consciousness to prevent aspiration risk.
Exposure-related patterns Risk of Vomiting is associated with rapid administration. Risk of Gastrointestinal Obstruction is associated with multiple-dose activated charcoal therapy.
Safety-related restrictions Contraindicated in cases of known or suspected Intestinal Obstruction.

Safety Classifications (High-Level)

The safety framework highlights a high-level note regarding co-administration: due to its adsorptive properties, the medicine can cause a decreased absorption of other orally administered drugs if they are taken simultaneously. This is a general safety characteristic derived from its mode of action.

Connection to the Overall Safety Profile

The official safety information structures the product's risk profile around its physical, non-systemic effects, concentrating adverse reactions in the gastrointestinal and respiratory systems. The serious risks of aspiration and obstruction are explicitly linked to the method and duration of administration, rather than systemic toxicity. This framework clarifies that the primary safety concerns are mechanical and procedural, restricting use in specific patient conditions.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Kohle-Hevert (Activated Charcoal) is characterized by its non-systemic action. Due to the active ingredient being pharmacologically inert and unabsorbed, official documents state that overdosage is unlikely to cause systemic toxicity and the product is considered virtually devoid of intrinsic toxicity. The focus of regulatory concern is on local complications.

Documented Manifestations and Serious Outcomes

Documented presentations of excessive use primarily involve the gastrointestinal system. Overconsumption may result in constipation and carries the risk of leading to severe mechanical gastrointestinal obstruction. A critical, life-threatening outcome defined in the regulatory documents is the pulmonary risk: the aspiration of charcoal into the lungs, which can cause airways obstruction and aspiration pneumonitis. This risk is heightened in patients with a depressed level of consciousness.

When Urgent Medical Help Is Required

Immediate medical attention must be sought if there is any suspicion of gastrointestinal obstruction or if airway compromise has occurred. The regulatory guidance mandates that when this product is administered in high-risk settings, measures to ensure airway protection are necessary. Management is symptomatic and supportive, focused on relieving the mechanical effects; for instance, treating severe constipation with laxatives is described as a potential supportive measure.

Therapeutic Uses of Kohle-Hevert

What Kohle-Hevert Treats: Main Uses and Benefits

Kohle-Hevert's therapeutic application focuses on addressing acute issues within the digestive tract, offering support in the management of unwanted substances. This context may be part of symptomatic management across distinct clinical domains, making it a relevant component for emergency preparedness and acute gastrointestinal upset.

The primary antitoxic use of this type of adsorbent is for gastrointestinal decontamination in cases of poisoning. This product is commonly used in conditions presenting with acute episodes of diarrhea, food poisoning, or to manage discomfort from excessive intestinal gas and abdominal bloating.

The use of this product can provide support that assists with limiting the body's exposure to the ingested toxin, or, in milder cases, helps address symptom clusters characterized by frequent, loose stools and significant intestinal distress. This provides supportive relief that may help patients cope more steadily with symptom fluctuations.


Quick Fact: Relief for Acute Gastrointestinal Symptoms

Property Description
Primary Acute Use Symptomatic relief for diarrhea and flatulence
Emergency Context Supportive agent for acute oral toxic ingestion
Key Patient Benefit Supports elimination of disruptive substances and contributes to easing the overall symptom load

Regulatory References

  1. NIH StatPearls overview on Activated Charcoal

Eligibility and Restrictions for Use

Eligibility Profile: Official Regulatory Information

Regulatory documents define eligibility for Kohle-Hevert (Activated Charcoal) primarily based on mechanical and age-related constraints. The medicine is strictly contraindicated and must not be used in patients with known or suspected gastrointestinal obstruction (ileus), perforation, or significant hemorrhage risk. It is also prohibited for individuals with an unprotected airway or significantly decreased consciousness due to the severe danger of aspiration pneumonitis.

Age and Special Populations

Use is not recommended for routine administration in neonates and young children under six years of age; the decision for pediatric use typically requires medical consultation. While generally permitted for use in adults and adolescents, caution is advised if the patient has decreased peristalsis (slowed bowel motility) or acute abdominal pain of unknown origin.

Due to its non-systemic nature, the product is generally considered permissible for short-term use during pregnancy and lactation. Regulatory documentation cites no specific contraindications for use in patients with renal or hepatic impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Kohle-Hevert's active ingredient, activated charcoal, acts by physically binding substances within the gastrointestinal tract, leading to a unique interaction profile defined by reduced absorption of co-administered oral products.

Exposure-Modifying Substances

This product significantly decreases the systemic exposure (reduced plasma levels and absorption) of nearly all concurrently administered oral drugs. Official regulatory information specifically lists substances such as digoxin, theophylline, and oral contraceptives as being susceptible to this binding action, which can consequently diminish their therapeutic effects.

Timing and Separation Requirements

Regulatory documents mandate a crucial administrative constraint: all oral medicinal products must be administered at least two hours before or after Kohle-Hevert to prevent the adsorption interaction from reducing their absorption. This separation requirement applies broadly across most medications taken by mouth.

Officially Restricted Combinations

Co-administration is strongly cautioned against or prohibited in specific scenarios:

  • Other Medicinal Products: Do not administer with agents intended to induce vomiting, such as Syrup of Ipecac, as activated charcoal will bind the agent and reduce its intended effect.
  • Chemical Ingestions: It is officially stated that activated charcoal is ineffective or contraindicated for ingestions involving corrosive substances (e.g., strong acids, alkalis) or petroleum distillates, as binding is poor and its presence may complicate medical assessment.

No systemic metabolic (e.g., CYP enzyme-mediated) or transporter-based interactions are officially documented for this product.

Mechanism of Action

Intraluminal Adsorption: The Physical Mechanism

The primary mode of action is adsorption, a purely non-systemic physical mechanism localized entirely within the gastrointestinal (GI) lumen. The active ingredient, Activated Charcoal, uses the immense surface area of its micropores and mesopores as the primary target to physically bind unabsorbed chemical compounds and certain gases. This interaction is driven by van der Waals forces and results in the formation of an inert charcoal-adsorbate complex.

Interruption of Systemic Bioavailability

The physical binding mechanism functions by interrupting key absorption pathways. By forming an unabsorbable complex, the charcoal prevents the substance from diffusing across the GI epithelium, thus directly reducing its systemic bioavailability. For compounds that undergo enterohepatic recirculation, the mechanism maintains a concentration gradient that promotes the substance's movement from the bloodstream back into the gut for binding, leading to the expulsion of the molecule via fecal excretion of the complex.

Constraints on the Physical Binding Mechanism

The functional capacity of the mechanism is strictly governed by the physicochemical properties of the target substance. The adsorption affinity is significantly weakened or absent for highly polar, highly ionized, or very small molecular weight molecules.

Dosage and Administration Information

The instructions for using this medicinal charcoal product prescribe the route and specific dosing based on the condition and age.

Administration and Dosing

The product is intended for oral administration.

Condition Age Group Standard Dosing
Acute Diarrhea Adults 3 to 4 tablets, 3 to 4 times a day
Children 2 to 4 tablets, 3 to 4 times a day
Acute Poisoning Adults and Children 50 to 100 tablets (equivalent to 10 g - 20 g medicinal charcoal)

Administration Requirements

  • Method: Tablets may be swallowed whole, chewed, or dissolved and stirred in liquid.
  • Liquid Intake: The tablets must always be taken with a large amount of liquid.
  • Drug Timing: The product must not be taken directly with other medicines; an intake interval must be observed.

Duration and Procedural Steps

  • Diarrhea Treatment: Continue administration until bowel movements normalize. If treatment is unsuccessful after 3 days, a medical professional must be consulted.
  • Poisoning Protocol: Following the maximum charcoal dose for poisoning, a saline laxative (such as sodium sulfate) should be administered 30 to 60 minutes afterward.

These parameters define the standardized use of the medicine, outlining the intake amount, frequency, and specific procedural steps necessary for the two defined conditions.

Recent Clinical Evidence

Recent Clinical Evidence

The active ingredient in Kohle-Hevert is medicinal charcoal (activated charcoal), a highly porous material used for its ability to adsorb (bind to the surface of) various substances in the gastrointestinal tract. Research on medicinal charcoal focuses primarily on two main areas: acute poisoning and non-specific digestive complaints.


Acute Poisoning and Overdose

Medicinal charcoal is widely recognized in emergency toxicology as a method for gastrointestinal decontamination following the ingestion of certain toxins or medications. Clinical studies have consistently shown that administering activated charcoal within the first hour of ingestion can significantly reduce the absorption of many substances into the bloodstream, thereby lessening potential systemic toxicity.

  • Efficacy Factors: The effectiveness is highly dependent on the type of substance ingested, the dose of charcoal used, and the time elapsed since ingestion. It is generally considered ineffective for corrosive agents (like strong acids or bases) and certain alcohols or metals.
  • Clinical Use: Due to the risk of aspiration and the need for careful monitoring, current guidelines recommend that activated charcoal be administered only in a supervised healthcare setting.

Non-Specific Digestive Complaints

Evidence regarding the use of activated charcoal for common digestive issues, such as non-specific diarrhea, gas, or bloating, is more limited and varied than its use in acute poisoning.

  • Diarrhea: Some older and smaller randomized clinical trials investigated the use of medicinal charcoal in combination with rehydration fluids for adults experiencing non-specific diarrhea. These studies reported findings that suggested an association with a shorter duration of symptoms compared to control groups receiving rehydration only. However, current international guidelines for managing acute diarrhea do not routinely recommend its use.
  • Gas and Bloating: The European Food Safety Authority (EFSA) has concluded that a sufficient body of evidence supports the use of activated charcoal to help reduce excessive intestinal gas accumulation, provided that minimum doses are administered around mealtimes.

Frequently Asked Questions (FAQ)

Common questions about Kohle-Hevert (FAQ)

Q: Does this medication make you sleepy or affect your driving?

Official product information is required to state if the medication is known to impair the ability to drive or operate machinery. Regulatory documents may list specific central nervous system (CNS) effects, such as dizziness or somnolence (sleepiness), as potential side effects. Reviewing the Warnings section of the official label can provide relevant information before engaging in activities that require full attention.

Q: How should I store this medication?

The official product labeling specifies the required storage conditions for Kohle-Hevert to maintain its effectiveness and quality. This typically includes instructions on the required temperature range and the need to protect the medication from environmental factors like light or moisture. It is important to follow the storage guidelines provided on the packaging to maintain the product's quality.

Q: Can children 2 years old use it?

According to official regulatory documents, the product labeling defines the approved patient population for Kohle-Hevert. This information specifies if the medicine is approved for use in pediatric patients and states the minimum age, if any, for safe and effective use. If the product label does not explicitly include children of a certain age, use is not supported by the official regulatory documents for that age group.

Q: Is it safe to drink alcohol while taking this?

Official product information provides specific warnings regarding the use of alcohol with this medication. The regulatory documents contain details on potential interactions, stating whether concomitant (simultaneous) use with alcohol is advised against due to increased risk of side effects or changes in the drug's effectiveness.

Q: Who should NOT take this medicine?

The official product labeling lists all known contraindications, which are specific situations or conditions where Kohle-Hevert should not be used. These mandatory regulatory statements identify individuals with certain medical conditions or circumstances who should not use the medication.

How should Kohle-Hevert be stored and disposed of?

Storage Conditions and Protection

Requirement Official Regulatory Statement
Temperature Store below 25 C
Protection Must be protected from moisture and light
Safety Must be kept out of the sight and reach of children
Stability Do not use after the expiration date printed on the packaging

Storage of Kohle-Hevert tablets is defined by regulatory standards to ensure product quality until its expiry date. The product is generally classified as a room temperature item, with the maximum storage temperature set at 25 C. Handling requirements stipulate that the container should be kept tightly closed and away from excessive heat and moisture.

Disposal

Unused or expired medicine must be disposed of in accordance with national and local regulations. Patients are advised to consult with a pharmacist regarding proper disposal methods to prevent entry into drains or waterways, consistent with general pharmaceutical waste handling guidelines.

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

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