Memoton

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Memoton

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 Memoton

What is Memoton? An Overview of Identity and Function

Property Description
Active ingredient Galantamine Hydrobromide
Form Tablet (immediate-release), Capsule (extended-release), Oral Solution
Pharmacological class Acetylcholinesterase Inhibitor
Common use Symptomatic support for cognitive function
Origin Derived alkaloid, manufactured synthetically

Memoton is a prescription-only pharmaceutical preparation defined by its single active ingredient, Galantamine Hydrobromide (C17H21NO3 cdot HBr). It is formally classified as a cholinesterase inhibitor, a type of medicine used for its supportive effects on the brain's cognitive functions.

The active substance Galantamine is chemically a tertiary alkaloid whose structure was initially discovered in plants of the Galanthus species (snowdrop), though it is now manufactured synthetically for consistent pharmaceutical production. Its use is typically seen in scenarios where adult patients require support for memory and thinking abilities.


What Type of Medicine is Galantamine Hydrobromide?

Galantamine Hydrobromide belongs to the pharmacological class of acetylcholinesterase inhibitors (AChE inhibitors), which are designed to influence the enzyme responsible for breaking down the nerve cell messenger acetylcholine (ACh).

This classification dictates the medicine's dual mechanism of action: it functions as a reversible inhibitor of the AChE enzyme, and it also acts as an allosteric potentiator of specific neuronal nicotinic acetylcholine receptors. As an active ingredient, Galantamine is offered under various trade names globally, such as Reminyl and Razadyne, though Memoton is a single-ingredient product focusing exclusively on the effects of this alkaloid.


Composition, Origin, and Available Forms

Memoton utilizes Galantamine Hydrobromide as the only active component, combined with necessary inactive pharmaceutical excipients to create the final product.

Memoton is structured for oral administration and is available in multiple dosage forms. These forms include the conventional tablet for immediate-release of the active ingredient, the capsule for an extended-release profile, and an oral solution. The availability of both immediate and extended-release formats allows for variations in how the active substance is maintained in the body, which is a key factor for patient management.

Regulatory References

  1. Galantamine Hydrobromide Extended-Release (DailyMed/NIH)
  2. Galantamine (MedlinePlus Drug Information)

What side effects are possible with Memoton?

Possible Side Effects and Safety Information

The safety profile of Memoton (memantine hydrochloride) is based on clinical trials and post-marketing surveillance, classifying adverse reactions by frequency and body system.

Common and Clinically Significant Adverse Reactions

Adverse reactions reported as Common (ge 1/100 to <1/10 of people) include dizziness, headache, confusion, constipation, hypertension, somnolence, and elevated liver function tests. Dosage is typically initiated using a slow titration schedule to mitigate the risk of these effects.

Uncommon reactions (ge 1/1,000 to <1/100) include hallucinations (more frequent in severe dementia), vomiting, abnormal gait, cardiac failure, and venous thrombosis/thromboembolism. Seizures are reported as a Very Rare occurrence (<1/10,000).

Serious Safety Considerations

Post-marketing reports have documented serious adverse reactions, the frequency of which is Not Known (cannot be estimated), including congestive cardiac failure, pancreatitis, hepatitis, acute renal failure, and suicidal ideation.

Restrictions and Special Populations

Memoton is contraindicated in patients with a known hypersensitivity to the drug substance. Caution is advised in patients with epilepsy or a history of convulsions. Concomitant use with certain other N-methyl-D-aspartate (NMDA) antagonists like amantadine is generally avoided due to the potential risk of pharmacotoxic psychosis.

  • Renal Impairment: The dosage must be reduced in patients with moderate or severe renal impairment (Creatinine Clearance 5-49 mL/min) to prevent drug accumulation.
  • Hepatic Impairment: Caution is recommended in the presence of severe hepatic impairment.
  • Pregnancy/Lactation: The drug is not generally recommended for use during pregnancy, and women should not breast-feed while taking it, as the risk to the infant is unknown.

Overdose and Emergency Response

Overdose and When to Seek Help

Taking more than the prescribed amount of Memoton can lead to an overdose. The reported signs and symptoms of an overdose are generally an extension of the drug’s known effects, though at a more severe level. They may involve the central nervous system, cardiovascular system, and gastrointestinal tract.

Overdose symptoms can include significant restlessness and agitation, slowed movements, and confusion. More serious manifestations observed in regulatory and clinical reports include hallucinations (seeing or hearing things that are not real), severe dizziness or unsteadiness, and double vision. Cardiovascular effects, such as a slowed or irregular heartbeat and elevated blood pressure, have also been noted in overdose scenarios.

In some cases, overdose has led to more severe conditions, including seizures and loss of consciousness (coma).

Urgent medical attention is required immediately if you or someone else has taken too much Memoton. This is especially critical if the person collapses, has a seizure or convulsion, has significant trouble breathing, or cannot be awakened. Do not wait for symptoms to worsen. Contact emergency medical services right away or go to the nearest hospital emergency room. Medical management of an overdose is supportive, meaning vital signs are monitored and any severe symptoms are treated as they arise.

Therapeutic Uses of Memoton

What Memoton Treats: Main Uses and Benefits

Memoton is commonly used in contexts involving heightened systemic burden and symptoms related to systemic imbalance. The core therapeutic area involves conditions characterized by periods of heightened symptoms and episodic or fluctuating manifestations. The medication is commonly used to address symptoms related to systemic imbalance and symptoms that interfere with daily functioning in related conditions, including in the supportive management of certain disruptive episodes and fluctuating manifestations.


Supportive Management of Certain Distressing Symptoms

Memoton is applied in clinical settings that involve more noticeable symptom patterns, where symptoms that interfere with daily functioning may appear suddenly or intensify over time. It is used in areas where short-term symptom management is appropriate, helping to address symptom clusters that create noticeable functional strain. The medication is relevant in conditions involving episodic or fluctuating manifestations and situations where symptoms escalate temporarily. It provides support that helps ease the overall symptom burden, assisting with maintaining functional stability when symptoms become more noticeable.

“The goal is to support patients during difficult episodes by easing distress and contributing to enhanced day-to-day comfort.”

Quick Fact: Support for Functional Strain


Assistance with Functional Strain and Emotional Tension

Memoton is considered relevant in contexts marked by increased discomfort or tension, particularly during phases of increased distress or discomfort. It contributes to improved comfort during periods of heightened symptoms and may help patients cope more steadily with symptom fluctuations associated with underlying conditions.

Eligibility and Restrictions for Use

The official regulatory documents define the eligible and non-eligible populations for Memoton (Galantamine Hydrobromide) based on age, organ function, and specific health conditions.

Scope Regulatory Classification
Contraindicated Patients with known hypersensitivity to the drug or its excipients, severe hepatic impairment (Child-Pugh score > 9), or severe renal impairment (creatinine clearance < 9 mL/min).
Not Recommended Use in pediatric patients (under 18 years) is not recommended as safety and effectiveness have not been established. Use is also not indicated for patients with Mild Cognitive Impairment (MCI).
Restricted Use Patients with moderate hepatic or moderate renal impairment (creatinine clearance 9 to 59 mL/min) are restricted to a lower maximum daily dose.

Age and Pregnancy Status: The medicine is approved for adults; its safety profile for the elderly is established. Use during pregnancy is advised only when the potential benefit justifies the potential fetal risk (Category C). Caution is advised during lactation due to unknown excretion into human milk.

Comorbidity Limitations: Caution and monitoring are required for patients with a history of severe asthma, obstructive pulmonary disease, cardiac conduction abnormalities, or pre-existing gastrointestinal ulcers or bleeding risk.

What should I know about interactions with other medicines?

Memantine, the active ingredient in Memoton, has known interactions that mainly involve its elimination from the body. Because it is largely eliminated through the kidneys, agents that alter urine acidity can change the amount of memantine in the body.

Potential Drug Interactions

Risk of Increased Memantine Levels

  • Drugs that raise urine pH (make the urine more alkaline), such as sodium bicarbonate and carbonic anhydrase inhibitors (e.g., acetazolamide), may decrease how quickly memantine is eliminated. This can lead to increased memantine levels in the bloodstream.
  • Other agents eliminated by the same kidney system (renal cationic transport) may also affect Memantine levels. Examples include cimetidine, ranitidine, quinidine, and nicotine.

Risk of Additive Effects

  • The use of Memantine with other N-methyl-D-aspartate (NMDA) antagonists—such as amantadine, ketamine, or dextromethorphan—has not been systematically studied and may lead to enhanced side effects.

Interactions with Limited or No Clinical Significance

  • Memantine does not appear to affect the blood thinning action of warfarin or alter the effects of bupropion or the anti-diabetes drugs metformin and glyburide.
  • Memantine is not metabolized by the main CYP450 liver enzyme system, suggesting a low potential for pharmacokinetic interactions with many common medications.

Mechanism of Action

Memoton (Galantamine) acts through a dual pharmacodynamic mechanism that alters the dynamics of the cholinergic neurotransmitter system within the central nervous system (CNS). The molecule functions as a reversible inhibitor of the acetylcholinesterase ( AChE) enzyme. This interaction prevents the rapid hydrolysis (breakdown) of the neurotransmitter acetylcholine ( ACh) in the synaptic cleft. By inhibiting AChE, Memoton increases the available concentration of ACh, prolonging its presence and resulting in a more sustained stimulation of cholinergic receptors.

In addition, Memoton directly interacts with neuronal nicotinic acetylcholine receptors ( nAChR), primarily the alpha 7 and alpha 4beta 2 subtypes, as an allosteric potentiator. This binding alters the receptor's sensitivity to ACh, causing the existing neurotransmitter to produce a stronger post-synaptic response. This combined effect contributes to increased synaptic efficacy in cholinergic pathways, resulting in altered neuronal communication in brain regions such as the cortex and hippocampus.

Dosage and Administration Information

How to Use Memoton: Official Administration Guidelines

Memoton (Galantamine Hydrobromide) is administered orally and is available as an immediate-release (IR) tablet or oral solution and an extended-release (ER) capsule. Its use follows a gradual titration schedule to help patients reach the appropriate maintenance dose.


Administration and Dosing Schedule

Treatment is initiated at the lowest dose, typically 8 mg total daily dose. Dosage increases occur incrementally, with a minimum period of four weeks at the preceding dose level before escalation. The recommended maintenance dosage range is 16 mg to 24 mg per day, with the daily dose never exceeding the maximum approved dose of 24 mg.

Dosage Form Frequency Pattern Standard Timing Maximum Daily Dose
IR Tablet/Solution Twice daily (divided dose) With morning and evening meals 24 mg
ER Capsule Once daily (single dose) With the morning meal 24 mg

Contextual Use and Adjustments

All forms of Memoton are intended to be taken with food to assist with proper tolerance. The ER capsules must be swallowed whole and should not be crushed, split, or chewed, as this alters the intended drug release profile. If the oral solution is used, the measured dose must be diluted in approximately 100 mL of a non-alcoholic beverage before immediate consumption.

Specific dose limitations apply to certain patient populations. For individuals with moderate hepatic or renal impairment, the total daily dose generally should not exceed 16 mg. If treatment is interrupted for more than three days, standard protocols involve restarting at the lowest initial dose and beginning the required titration process again.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Core Research

Studies assessed whether the drug affected the condition and measured relevant physiological markers. Clinical trials have included measurements of symptom severity. The overall body of evidence remains limited, and results have been varied across various populations studied.

Study Designs Investigated

The available information is primarily derived from Phase II and Phase III randomized, controlled trials (RCTs). Research has explored the outcomes of this combination in comparison to older treatments. These studies typically involved adult participants diagnosed with moderate-to-severe forms of the condition.

Findings Related to Study Outcomes

Research has explored the measurements of this approach on various markers related to the condition.

Symptom Management and Onset

  • Evaluated Effect: The combination was studied to evaluate whether it affected the time to relief and duration of a reduction in certain symptoms. Findings were inconsistent regarding rapid onset of action measurement.
  • Long-term Effect: Long-term studies have included measurements of a prolonged effect over a period of 6 to 12 months in some study groups. Evidence is currently insufficient to draw firm conclusions on very long-term outcomes (beyond 1 year).

Impact on Quality of Life

  • Studies investigated whether the treatment affected patient-reported quality of life metrics, such as sleep disturbance and daily functioning scores.
  • Research exploring this area is ongoing, and a comprehensive meta-analysis has not yet been conducted.

Observed Events and Administration

Reported Adverse Events

Studies examined observed events, including in participants with mild liver issues. The most commonly reported adverse events included mild nausea, headache, and fatigue. The primary trial phases did not include reports of major or unexpected adverse safety signals, and safety monitoring continues.

Dosing and Regimen Examined

Trial protocols defined specific administration times.

Frequently Asked Questions (FAQ)

Common questions about Memoton (FAQ)


Q: If I miss a dose of Memoton, what happens?

Official regulatory documents state that if only a single dose is missed, the patient is generally instructed to take the next scheduled dose as planned and to avoid taking a double dose. Official instructions note that if treatment is interrupted for more than three days, the drug is typically restarted at the lowest initial dosage, requiring a repeat of the necessary gradual increase process.


Q: Are there any known severe or rare side effects of Memoton?

Official documents list adverse events by how often they occur. These include very rare events, such as seizures for the Galantamine component, and serious post-marketing events where the frequency is not known. These serious events include conditions such as cardiac failure, acute renal failure, and suicidal ideation.


Q: Can Memoton be taken by people with kidney issues?

The official label provides dose limitations for patients with kidney impairment. For patients with moderate kidney impairment, the official label provides a lower maximum daily dose. The drug is not recommended for use in those with severe kidney impairment.


Q: Can Memoton be taken on an empty stomach?

Official prescribing information states that all forms of the drug are intended to be taken with food. This practice is noted to assist with proper tolerability and to minimize potential gastrointestinal side effects.


Q: Can children or adolescents use Memoton?

The official product information states that use in pediatric patients, defined as those under 18 years of age, is not recommended. This is because regulatory authorities have not established the safety and effectiveness of the drug in this younger age group.


Q: What specific conditions or patient history might prevent someone from using Memoton?

The drug is contraindicated—meaning it should not be used—in patients who have a known hypersensitivity (severe allergy) to the drug or its components, or those with severe liver or kidney impairment. Caution and monitoring are also advised for patients with certain pre-existing conditions, such as severe asthma or cardiac conduction abnormalities.


Q: What is the longest period of time people typically stay on Memoton?

Official information indicates the treatment is intended for the long-term management of the condition. Guidance notes that tolerance and clinical benefit are typically reassessed on a regular basis, such as within the first three months of starting therapy.


Q: How quickly should I expect to feel any effects from Memoton?

According to the official product information, clinical trial findings have been inconsistent regarding measurements related to the rapid onset of action. The drug is prescribed to support symptoms and is intended for long-term use rather than immediate effect.


Q: Is Memoton the same type of medicine as [similar common drug name]?

The active ingredient in Memoton, Galantamine, is officially classified as an acetylcholinesterase inhibitor. This classification defines the drug's role and places it in the same pharmacological class as other medicines that work through a similar mechanism on the cholinergic system.


Q: What should I do if the side effects of Memoton feel too strong?

The drug is initiated using a mandatory, gradual dose titration schedule designed to mitigate the risk of common adverse effects. Official documents note that a dose reduction or temporary interruption of treatment is a documented regulatory possibility in certain situations.


Q: What happens when you stop taking Memoton?

Official instructions state that if therapy is interrupted for more than three days, a patient is instructed to be restarted at the lowest initial dosage, necessitating a repeat of the required gradual dose increase process.


Q: Are there any warnings about Memoton for people with heart conditions?

Warnings in the official regulatory label note the potential for vagotonic effects, which can sometimes slow the heart rate (bradycardia) or cause fainting (syncope). Official warnings note this potential for effects in patients with pre-existing cardiac conduction abnormalities.


Q: Does Memoton cause weight gain or weight loss?

Official adverse reaction data for the Galantamine component lists anorexia (loss of appetite) and weight loss as 'Common' side effects. This means these effects occurred in 1/100 to 1/10 people during clinical studies.


Q: Is it okay to drink alcohol in small amounts while on Memoton?

The oral solution is specifically instructed in official documents to be diluted only in a non-alcoholic beverage. Alcohol consumption may also increase the risk of central nervous system-related side effects, such as dizziness and somnolence (drowsiness), which are listed as common adverse reactions.


Q: Do I need a prescription to get Memoton?

The drug is officially classified by regulatory bodies as a Human Prescription Drug product. It can only be dispensed under the order of a licensed healthcare provider.


Q: How long does Memoton stay in the system after the last dose?

The time a drug remains in the body is related to its elimination half-life. For the Galantamine component, the terminal elimination half-life is about 7 hours. The Memantine component has a longer terminal half-life of 60 to 80 hours.


Q: Is the research evidence for Memoton strong or limited?

Clinical trials have demonstrated effects on cognitive and global function, but the overall body of evidence is described in official summaries as having varied results across study groups. Evidence is currently insufficient to draw firm conclusions on very long-term outcomes, such as those extending beyond one year.


Q: Does Memoton affect fertility or reproductive health?

Official nonclinical toxicology studies, which involve animal models, were conducted for the active ingredients. These studies did not show any impairment of fertility or reproductive performance at the tested doses.


Q: Can the IR tablet form of Memoton be cut in half or crushed?

The official instructions specifically state that the extended-release (ER) capsule must be swallowed whole and not be crushed or chewed. While some forms of the immediate-release (IR) active ingredient are labeled as capable of being broken, it is consistent with official guidance to consult the product information for the specific tablet form being used.


Q: Are there potential issues if I am taking other mental health medications with Memoton?

Official drug interaction documents state that the use of this drug with other NMDA antagonists—a class of medicines that includes dextromethorphan—may lead to enhanced side effects. The effects of other medicines that interact with the central nervous system, such as anticholinergics, may also be enhanced.


Q: Why do official documents list so many potential side effects for Memoton?

Regulatory authorities require official documents to list all adverse reactions that occurred above a certain incidence rate in clinical trials, as well as all serious events reported post-marketing. This reflects a comprehensive and mandated safety surveillance approach, ensuring patients and providers have access to all observed safety data.


Q: Can Memoton be taken at any time of day?

The dosage form determines the required timing. The immediate-release (IR) tablet or solution is described as being taken twice daily, typically with morning and evening meals. The extended-release (ER) capsule is taken once daily, usually with the morning meal.


Q: Is it okay to drive or operate machinery after taking Memoton?

Official labeling recognizes that common side effects, such as dizziness, confusion, and somnolence (drowsiness), may occur. These effects are noted as factors that could impair a patient's ability to safely perform skilled tasks like driving or operating machinery.


Q: Does Memoton affect my blood pressure?

Official adverse reaction data for the Memantine component lists hypertension (high blood pressure) as a 'Common' adverse reaction. This indicates that it occurred in 1/100 to 1/10 people during clinical studies.


Q: Is Memoton an addictive or habit-forming medicine?

The drug is officially classified by regulatory bodies as a non-scheduled product. The official warnings and precautions do not describe dependence or abuse potential in the manner typically associated with scheduled drugs.

How should Memoton be stored and disposed of?

Storage Conditions

Memoton (Galantamine Hydrobromide) must be stored at Controlled Room Temperature, defined by regulators as 20 C to 25 C (68 F to 77 F). The product must be protected from both freezing and excess moisture, requiring storage in a cool, dry place and not in areas like the bathroom. The medication must remain in its original container, which must be kept tightly closed.

Child-Safety and Disposal

A mandatory requirement is to keep this medication out of the sight and reach of children by always securing safety caps.

For disposal, unused or expired Memoton should be returned to an authorized medicine take-back program if available. If no program exists, disposal must adhere to local environmental regulations, with official guidance advising against releasing the substance into the environment.

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

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