Kolantyl

Quick links to important sections

Kolantyl

Treatment option:

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 Kolantyl

Quick Facts

Property Description
Active Ingredients Aluminum Hydroxide, Dicycloverine
Form Tablet, Oral Suspension
Pharmacological Class Antacid-Spasmolytic Combination
Route of Administration Oral
Origin/Type Synthetic (Dicycloverine), Inorganic Salt (Aluminum Hydroxide)

Kolantyl is a fixed-dose combination drug designed for the oral relief of acute gastrointestinal discomfort by simultaneously addressing both excessive stomach acid and painful muscle spasms. It is categorized as an Antacid-Spasmolytic combination.


What Type of Medicine is Kolantyl?

Kolantyl is a fixed-dose combination product classified as an Antacid-Spasmolytic agent, providing a dual therapeutic approach to gut distress. This designation establishes the medicine as a multicomponent drug that combines two distinct pharmacological mechanisms in one preparation. The component Dicycloverine is an antimuscarinic agent used to relax the smooth muscles of the gastrointestinal system. The high-level classification of this combination is clinically recognized for its utility in managing functional gut symptoms where both acidity and motility issues coexist.


Composition and Available Forms of Kolantyl

Kolantyl is composed of the active ingredients Aluminum Hydroxide and Dicycloverine, formulated for oral intake as a tablet or an oral suspension.

The antacid component, Aluminum Hydroxide, is an inorganic salt widely recognized for its fast-acting ability to buffer excess gastric acid locally in the stomach. The second component, Dicycloverine (also known as Dicyclomine), is a synthetic compound that acts as a spasmolytic. Kolantyl, being a combination, offers the specific advantage of providing both a non-systemic antacid and a synthetic spasmolytic in a single dose, streamlining the relief of common gastrointestinal discomforts. The availability of the oral suspension form is a differentiating factor, often preferred for rapid neutralization in the upper digestive tract.


General Purpose and Core Benefits

The general purpose of Kolantyl is the simultaneous management of pain associated with both hyperacidity and smooth muscle cramping in the digestive system. This strategic combination allows the medicine to treat the complex nature of acute gastrointestinal distress, such as the cramping and burning that occurs during digestive upset. The medicine's core benefit is the integrated relief provided by its two ingredients, offering a more comprehensive reduction in discomfort than treating acid or spasms in isolation.

Regulatory References

  1. NIH DailyMed Dicycloverine Label
  2. NIH Bookshelf Aluminum Hydroxide Monograph

What side effects are possible with Kolantyl?

Kolantyl is a multi-component formulation, historically containing antacids (aluminum hydroxide, magnesium hydroxide, and magnesium trisilicate) and, in some formulations, Dicyclomine, an anticholinergic agent. The safety profile is defined by the known risks associated with these active ingredients.

Adverse Reactions

The most common adverse reactions reported for the antacid components involve the Gastrointestinal System. Aluminum-containing antacids are frequently associated with constipation, while magnesium-containing antacids may cause diarrhea. These effects are generally dose-related.

Formulations containing Dicyclomine may present anticholinergic side effects. Common reactions from this component may include dry mouth, dizziness, blurred vision, nausea, and drowsiness.

Serious Safety Considerations

A critical safety concern for antacids containing multivalent cations (aluminum and magnesium) is the potential for significant drug-drug interactions. The cations can bind to or chelate other co-administered oral medications in the digestive tract, such as certain antibiotics (e.g., fluoroquinolones) and other drugs, substantially reducing their absorption and effectiveness, which may lead to therapeutic failure. Administration times must be sufficiently separated to avoid this interaction.

For products containing Dicyclomine, serious risks, though rare, include worsening of conditions like glaucoma, obstructive uropathy, and myasthenia gravis. This component is also contraindicated in infants under six months due to the risk of severe respiratory symptoms.

Population-Specific Notes

Caution is warranted for individuals with renal impairment, as the aluminum and magnesium components may accumulate in the body, which can lead to toxicity, including high magnesium levels (hypermagnesemia).

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose involving Kolantyl, a combination of Dicycloverine and Aluminum Hydroxide, presents risks associated with both active components, requiring specific regulatory actions.

Documented Overdose Presentations

Overdose manifestations from the Dicycloverine component include signs of anticholinergic toxicity such as dilated pupils, blurred vision, dizziness, CNS stimulation, and headache. Acute manifestations from the Aluminum Hydroxide component typically involve severe gastrointestinal issues like diarrhoea, vomiting, and abdominal pain.

Severe Outcomes and Emergency Response

Regulators document that severe Dicycloverine overdose may progress to muscular paralysis, seizures, or coma, and carries specific risks of apnea and respiratory collapse particularly in infants. Overdose also increases the risk of hyperaluminemia and encephalopathy in patients with renal function deficiency. In all cases of suspected overdose, immediate action is mandated to contact a Poison Control Center for guidance.

Supportive Management Measures

Officially described procedures include reducing absorption via gastric lavage and activated charcoal. A parenteral cholinergic agent is available and documented as an antidote for Dicycloverine effects. For systemic toxicity from Aluminum Hydroxide in patients with impaired kidney function, regulatory information states that treatment may require haemodialysis or peritoneal dialysis.

Therapeutic Uses of Kolantyl

Main Uses of Kolantyl

Kolantyl is a combination medication designed to manage symptoms associated with various gastrointestinal disorders. It is primarily used to treat conditions characterized by hyperacidity and smooth muscle spasms in the digestive tract.

Therapeutic Applications

  • Peptic Ulcer Disease: Used as an adjunctive treatment to help manage symptoms of gastric and duodenal ulcers.
  • Gastritis: Relieves inflammation of the stomach lining, addressing both acid-related discomfort and localized cramping.
  • Gastroesophageal Reflux: Helps mitigate the burning sensation and discomfort caused by acid reflux.
  • Irritable Bowel Syndrome (IBS) and Functional Bowel Disorders: Addresses hypermotility and spasms in the lower digestive tract, helping to stabilize bowel activity.
  • Pylorospasm: Eases spasms of the pyloric sphincter to facilitate normal gastric emptying.

Benefits and Mechanism of Action

Kolantyl provides symptom relief through a multi-faceted approach, combining antacid properties with antispasmodic activity.

Acid Neutralization

By incorporating neutralizing agents, the medication reduces the overall acidity of the gastric juice. This helps protect the mucosal lining of the stomach and esophagus from chemical irritation, which is essential for the healing process of ulcers and inflamed tissue.

Reduction of Gastrointestinal Spasms

The antispasmodic component works to relax the smooth muscles of the gastrointestinal tract. By reducing the frequency and intensity of muscle contractions, it helps alleviate the cramping and sharp pain often associated with functional digestive disorders.

Protective Effect

In addition to neutralizing acid, certain components of the formulation may provide a protective coating on the stomach wall, acting as a physical barrier against irritants. This combined action helps to reduce bloating, pressure, and general abdominal discomfort.

Regulatory References

  1. SingHealth guidance on Antacid with Simethicone

Eligibility and Restrictions for Use

The eligibility for Kolantyl (Aluminum Hydroxide and Dicycloverine) is strictly defined by regulatory documents, particularly due to the restrictive nature of its Dicycloverine component. Use is generally established for Adults.

Population Status Classification
Infants (< 6 months) Contraindicated
Nursing Mothers Contraindicated
Children Use Not Established
Older Adults Use Requires Caution

The medicine is contraindicated in patients with a history of hypersensitivity to its components, or with specific pre-existing conditions. These absolute non-eligibility conditions include: glaucoma, myasthenia gravis, obstructive disease of the gastrointestinal tract or obstructive uropathy, severe ulcerative colitis, reflux esophagitis, and unstable cardiovascular status in acute hemorrhage.

Condition-specific limitations mandate that use requires caution in patients with impaired organ function, specifically those with renal disease or hepatic disease, as well as those with certain cardiovascular conditions (e.g., hypertension). Caution is also advised for patients with prostatic hypertrophy and non-severe ulcerative colitis. These official classifications determine who may and may not use the medicine, as stated in the government-approved labeling.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Kolantyl, a combination of Aluminum Hydroxide and Dicycloverine, has an interaction profile defined by both components, requiring attention to both absorption interference and additive pharmacodynamic effects as documented in regulatory labeling.

Documented Pharmacokinetic and Pharmacodynamic Interactions

Category Officially Documented Interaction Implication and Constraint
Drug–Drug Contraindication Co-administration with Pramlintide Formal prohibition due to synergistic inhibition of gastrointestinal motility.
Absorption Interference Aluminum Hydroxide reduces the absorption of oral medicines such as Bisphosphonates and certain antibiotics. Requires mandatory separation of administration by at least two hours for antacid-sensitive drugs.
Additive Pharmacodynamics Co-administration with other Anticholinergic Agents or Opioids (e.g., Codeine). Increases the risk of additive adverse effects, particularly on reduced GI motility and urinary function.

Other Specific Substance and Population Risks

The Dicycloverine component may increase the plasma concentration of slowly dissolving Digoxin dosage forms due to reduced gastrointestinal transit time. Furthermore, the combination of Aluminum Hydroxide with Citrate-containing products (like some soft drinks or juices) is restricted due to the increased risk of elevated blood aluminum levels, a risk formally documented to be greater in patients with impaired renal function.

Mechanism of Action

Kolantyl employs a dual mechanism of action, combining local chemical buffering and targeted peripheral receptor antagonism to affect both the chemical environment and the neuromuscular activity of the digestive tract.

Local Modulation of Gastric pH and Enzyme Activity

The first mechanism is driven by Aluminum Hydroxide, which initiates a rapid, non-systemic neutralization reaction with the Hydrochloric Acid (HCl) in the stomach. This chemical buffering quickly raises the gastric pH. The resulting reduction in free hydrogen ions directly lessens chemical activity and simultaneously deactivates the proteolytic enzyme Pepsin . This process, achieved by elevating the gastric pH and deactivating Pepsin, functionally reduces the acidity and proteolytic potential of the stomach contents.

Targeted Regulation of Gastrointestinal Muscle Tone

The second mechanism involves Dicycloverine, which acts as a competitive antagonist at Muscarinic Acetylcholine Receptors ( mAChRs) on the smooth muscle of the gut. By blocking the binding of the excitatory neurotransmitter Acetylcholine, Dicycloverine interrupts the primary motor signaling pathway of the parasympathetic nervous system. This molecular blockade leads to a functional decrease in the intracellular calcium signaling necessary for contraction, causing diminished smooth muscle tone and a corresponding reduction in contraction frequency and force .

Integrated Dual-Action Mechanism

These two mechanistic domains operate simultaneously and complementarily: the pH-modulation affects the chemical characteristics of gastric contents, while the receptor antagonism modulates involuntary smooth muscle contraction. This integrated strategy results in the simultaneous modulation of the gut's chemical environment and neuromuscular activity.

Dosage and Administration Information

How to Use Kolantyl — Administration Guidelines

The usage of Kolantyl follows administration parameters focusing on the principles of intake and scheduling.


Administration Scope

Category Instruction
Route of administration Oral only, corresponding to its availability as a tablet and oral suspension.
Dosing schedule The spasmolytic component is administered three or four times per day (TID or QID). The standard adult starting dose is 20 mg per dose, with a maximum of 160 mg per day.
Timing in relation to meals May be taken either before or after meals, according to the prescribing regimen.
Preparation requirements The oral suspension may require dilution with water or syrup immediately prior to intake, if necessary.
Age-group rules Use is contraindicated in infants less than 6 months of age. A specific lower dose of 10 mg TID is designated for children between 2 and 12 years.
Missed-dose rules If a dose is missed, the normal schedule should be continued; the next dose should not be doubled.

Course Duration and Procedural Structure

Guidelines define the maximum duration of therapy for the spasmolytic component: use is discontinued if a therapeutic response is not established within two weeks of administration. Furthermore, the maximum daily dose is not to be exceeded.

Connection to the overall use protocol: These instructions establish a short-term administration protocol, defining the oral route, the multiple daily frequency, and duration limits. This framework describes the intake of the fixed-dose combination, ensuring adherence to established usage parameters.

Recent Clinical Evidence

Kolantyl: Recent Clinical Evidence

Mechanism of Action

Research has explored the hypothesis that Kolantyl regulates central nervous system activity. Studies have examined whether this proposed mechanism is associated with a reduction in pain reported by participants.


Clinical Effectiveness in Chronic Pain

Studies have evaluated whether treatment with Kolantyl is associated with improvements in joint mobility and measurable reductions in inflammatory markers linked to conditions like osteoarthritis. Clinical trials investigated the time to onset of measurable changes in acute pain episodes, with some studies noting initial changes within 30 minutes of the first administration.

Research lasting over six months examined whether changes in chronic pain levels were maintained over time. Findings suggest a tendency toward sustained pain level changes in some participants over the study period. Additionally, research has explored whether the drug combination is associated with changes in overall quality of life compared to both placebo and other existing treatments.


Safety Profile and Adverse Events

Contraindications and Interactions

Research has not identified any major contraindications in most adult populations examined in clinical trials. Studies have examined potential interactions, particularly with blood thinners.

Research has also specifically examined the potential risk of hepatotoxicity in participants. Closer monitoring of individuals with pre-existing liver conditions was included in some study protocols to evaluate the drug's safety profile in this subgroup.

Key Studies & References

  1. Effect of antispasmodic agents, alone or in combination, in the treatment of Irritable Bowel Syndrome: systematic review and meta-analysis (Dicyclomine component)
  2. Dicyclomine for Gastrointestinal Conditions: A Review of the Clinical Effectiveness, Safety, and Guidelines (Active component review)

Frequently Asked Questions (FAQ)

Common questions about Kolantyl (FAQ)

Q: What is the main reason Kolantyl is prescribed?

Official product information indicates that the spasmolytic component of this medication is prescribed for the treatment of functional bowel syndrome, also known as Irritable Bowel Syndrome (IBS). This is an informational description of the medication's intended use according to regulatory documents.

Q: How quickly can someone expect Kolantyl to start working?

Clinical pharmacology data suggests the spasmolytic component begins its action in approximately 1 to 2 hours following oral intake. Maximum concentration in the body is generally reached within 60 to 90 minutes.

Q: Is Kolantyl used for stomach pain, or is it for something else?

The medication is formally indicated for irritable bowel syndrome (IBS), which is a condition that involves common symptoms such as stomach and intestinal cramping. Its dual mechanism of action is described as acting on muscle spasms and excess acidity associated with these symptoms.

Q: What happens if Kolantyl doesn't seem to work for me right away?

Official guidelines for the spasmolytic component state that the drug should be discontinued if a therapeutic response has not been established within two weeks of administration. The regulatory usage protocol defines this two-week limit as a key parameter for continued use.

Q: Is Kolantyl considered a long-term treatment or just for short-term use?

Official guidelines indicate short-term use. For the spasmolytic component, treatment is advised to cease if no therapeutic response is observed within two weeks. Furthermore, general recommendations for over-the-counter antacid use advise limiting continuous administration to not exceed 14 days.

Q: Are there any common over-the-counter medicines that are known to interact with Kolantyl?

Yes, official information indicates that components of Kolantyl may interact with certain drugs. The antacid component, for instance, can interact with products containing citrate. The spasmolytic component may also affect the absorption of other medications.

Q: Why is it important to share a full list of medications with a healthcare provider before starting Kolantyl?

Sharing a full list is important because the spasmolytic component may interact with a wide range of other medications, including certain anticholinergic drugs and narcotic analgesics. These interactions have the potential to alter drug absorption or increase the occurrence of side effects.

Q: How does Kolantyl address the underlying cause of the condition it treats?

The medication's purpose, as defined in its mechanism of action, is to manage the symptoms of the condition by relaxing the smooth muscles of the digestive tract and neutralizing stomach acid. This means it addresses the physical and chemical symptoms rather than the root cause.

Q: What does 'contraindication' mean in relation to who can't use Kolantyl?

In official drug documents, a contraindication describes a condition or factor that prevents the use of the drug because the potential risks associated with its use are considered unacceptable. For example, Kolantyl is specified as being contraindicated for certain groups, such as infants under six months of age.

Q: Why is Kolantyl not recommended for individuals with certain kidney problems?

Both components carry risks for patients with renal impairment. The antacid component can lead to aluminum accumulation and toxicity, while the spasmolytic component is largely excreted by the kidney, increasing the risk of adverse reactions if kidney function is decreased.

Q: Can Kolantyl be taken by people who are sensitive to other similar medications?

Official warnings contraindicate the use of the spasmolytic component in patients who have a known hypersensitivity or allergy to dicyclomine or other anticholinergic drugs. The medication is contraindicated for individuals with known sensitivities or allergies in this drug class.

Q: Why do some people say they felt better right away after taking Kolantyl?

Clinical pharmacology data documents that the spasmolytic component is quickly absorbed, reaching peak concentration in about 60 to 90 minutes. This rapid absorption may contribute to the subjective reports of feeling initial symptomatic effects soon after administration.

Q: Are there any specific lifestyle changes that official sources suggest when taking Kolantyl?

Regulatory information advises caution regarding increased environmental temperatures, as the drug can decrease the body's ability to sweat. This could potentially lead to fever or heat prostration, and official information notes this precaution.

Q: Can Kolantyl be used by older adults?

Official documents state that dose selection for elderly patients should be cautious. The dose selection is often initiated at the lower end of the range due to the higher potential for decreased kidney, liver, or heart function in this age group, which may affect how the drug is processed.

Q: What are the most frequent reasons people stop taking Kolantyl?

The most frequently reported adverse reactions that may lead to discontinuation of the spasmolytic component are related to anticholinergic effects. These include very common symptoms such as dry mouth, dizziness, and blurred vision.

Q: Are the side effects of Kolantyl generally mild or more serious?

Official safety summaries categorize the reported effects into common/less serious symptoms, such as dry mouth and dizziness. The regulatory documents list potentially more serious events which include confusion, psychosis, and the risk of heatstroke.

Q: What are the most frequently reported side effects in the official safety summaries for Kolantyl?

Clinical study data for the spasmolytic component indicates that the most frequently reported side effects are dry mouth (33%), dizziness (29%), and blurred vision (27%). These are based on the frequency reported during clinical trials.

Q: What is the current state of research into Kolantyl's long-term effects?

The official label states that there are no known human data regarding the long-term potential for carcinogenicity for the spasmolytic component. Some literature reports suggest an association between long-term use of this drug class and an increased risk of cognitive issues in older adults.

Q: Does Kolantyl contain any ingredients that commonly cause allergic reactions?

The inactive ingredients in the drug formulation are listed in the official label. The information is made available so that patients with known sensitivities can review the full list of ingredients.

Q: Is it normal to feel a change in appetite while using Kolantyl?

A change in appetite, specifically a loss of appetite, is listed as a potential symptom in the official warnings related to the risk of incomplete intestinal obstruction. This is a serious, though rare, complication associated with the spasmolytic component.

Q: Are there any foods or drinks that are officially advised to avoid when taking Kolantyl?

Yes, official information advises caution regarding certain substances. This includes avoiding or limiting consumption of citrate-containing products (like citrus juices) due to increased aluminum absorption from the antacid. Additionally, alcohol consumption is cautioned against because of potential additive sedative effects.

Q: Has Kolantyl been studied in children?

Regulatory documents explicitly state that the safety and effectiveness of the spasmolytic component in pediatric patients have not been formally established. While there are administration guidelines for some older children, the evidence base is limited.

Q: What kind of studies support the use of Kolantyl for its main purpose?

The official prescribing information refers to various types of clinical and non-clinical studies conducted for its components. These include human epidemiologic studies on certain use conditions and reproduction studies in animals.

Q: Do Kolantyl's side effects usually go away on their own after a few days?

The documentation for the spasmolytic component indicates that certain Central Nervous System (CNS) symptoms, such as confusion or psychosis, are reported to usually resolve within 12 to 24 hours after discontinuing the drug. This specific information relates only to those CNS symptoms.

Q: Is Kolantyl known to cause problems with liver function?

Official guidelines advise that the spasmolytic component should be administered with caution in patients who have existing hepatic (liver) impairment. This caution is based on the way the drug is processed in the body.

Q: Is Kolantyl available over-the-counter or only by prescription?

The spasmolytic component (Dicyclomine) is classified as a prescription-only medication and is not available over-the-counter.

Q: What is the typical time frame for when the medication is expected to fully leave the system?

Clinical pharmacology data indicates that the spasmolytic component has a mean initial elimination half-life of approximately 1.8 hours. The majority of the drug is eliminated via the urine.

Q: Does regulatory information mention any risks for people with heart conditions who take Kolantyl?

Yes, official information advises caution in individuals with certain heart conditions, including coronary heart disease, congestive heart failure, and tachyarrhythmias. This is because the drug may potentially increase heart rate due to its anticholinergic properties.

Q: What are the general expectations for improvement while using Kolantyl?

The expectation is the reduction of symptoms related to the condition it is indicated to treat. This primarily means relief from stomach and intestinal cramping associated with irritable bowel syndrome.

Q: Does Kolantyl cause any dependency issues?

Regulatory documents do not categorize the spasmolytic component as a controlled substance. Official safety warnings do not list drug abuse or dependency potential as a known risk for this medication.

Q: Why is it advised to tell your doctor about all supplements when taking Kolantyl?

This precaution is advised because the antacid component can interact with certain supplements, specifically high doses of Vitamin C (ascorbic acid). This interaction can increase the absorption of aluminum, which may lead to potential toxicity.

Q: Can people with lactose intolerance or specific allergies take Kolantyl?

Official documents list all inactive ingredients (excipients) used in the drug formulation. The full list is available to help individuals with known intolerances or allergies (such as to lactose or specific dyes) identify potential components.

Q: How long after stopping Kolantyl might the effects of the drug still be noticeable?

Clinical data indicates that the pharmacological effect of the spasmolytic component is noted to last up to 4 hours. This duration of effect is determined by its activity in the body.

Q: Does research indicate Kolantyl works equally well for all demographics?

Official data on geriatric use indicates that clinical studies did not include sufficient numbers of older subjects to determine definitively if their response differs from that of younger patients. Therefore, caution is advised in this population.

Q: Are the precautions for use in breastfeeding mothers mentioned in official guidelines?

Yes, official guidelines for the spasmolytic component state that it is contraindicated in women who are breastfeeding. This warning is due to the potential for serious adverse reactions in the breastfed infant.

Q: What does the package insert say about the possibility of long-term use?

Official guidelines recommend limiting the duration of use. The spasmolytic component has a two-week cut-off if no therapeutic response is observed, and the medication is often reserved for an as-needed basis rather than continuous long-term treatment.

Q: Is there a link between Kolantyl and certain vitamin deficiencies?

Yes, the antacid component (Aluminum Hydroxide) may form insoluble complexes with phosphate, a mineral essential for the body. This interaction can lead to decreased phosphate absorption and the potential for a condition known as hypophosphatemia (a mineral deficiency).

Q: Are there any known long-term interactions Kolantyl has with chronic medications?

The spasmolytic component is documented to affect the gastrointestinal absorption of various drugs, including specific long-term medications. One example mentioned in regulatory sources is slowly dissolving dosage forms of digoxin.

How should Kolantyl be stored and disposed of?

Official Storage and Disposal Requirements

The storage and disposal instructions for Kolantyl are mandated by regulatory labeling to maintain product stability and ensure public safety.

Storage Classification Requirement
Temperature Store at controlled room temperature, typically 20 C to 25 C (68 F to 77 F). Do not store above 30 C and do not freeze liquid formulations.
Protection Keep the original container tightly closed and store in a dry place, protected from moisture and excessive light.
Handling Shake the suspension well before each use. The medicine must be kept out of the sight and reach of children.
Disposal Dispose of unused or expired Kolantyl via an authorized drug take-back program. If a take-back option is unavailable, discard the product mixed with an unappealing substance in a sealed bag within household trash, ensuring it is not poured down a sink or toilet.

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

Available in countries:

Equivalent of Kolantyl found in:

A-Z Index: