Moclamine

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Moclamine

Medically reviewed

Marina Burgos

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 Moclamine

What is Moclamine? Definitive Overview

Property Description
Active ingredient Moclobemide
Form Tablet / Film-coated tablet
Pharmacological class Reversible Inhibitor of Monoamine Oxidase-A (RIMA)
Common use Modulation of psychological states (Antidepressant)
Origin Synthetic compound (Benzamide derivative)

What is Moclamine and Its Active Ingredient?

Moclamine is a single-ingredient, prescription-only pharmaceutical product whose active component is the International Nonproprietary Name (INN) Moclobemide. This medication is consistently manufactured for oral consumption, primarily in the form of a tablet or film-coated tablet. Popular brands that share the Moclobemide formulation include Aurorix and Manerix.

Chemically, Moclobemide is identified as a synthetic compound derived from the Benzamide chemical class. As a psychotropic agent, the medication is widely clinically recognized for its intended function compared to older inhibitor classes.


What Type of Antidepressant is Moclamine?

Moclamine is classified within the high-level Antidepressant category, but its precise mechanism defines it as a Reversible Inhibitor of Monoamine Oxidase-A (RIMA). This places it within the broader group of Monoamine Oxidase Inhibitors (MAOIs), yet with a key differentiating feature that sets it apart: its reversibility.

The reversible nature is crucial: Moclobemide achieves selective inhibition of the Monoamine Oxidase-A (MAO-A) enzyme temporarily, which contrasts with the permanent inhibition characteristic of older, non-selective MAOIs. This difference in mechanism is a primary differentiating factor for its use in adults experiencing mood imbalance.


The General Purpose of Moclobemide

The general purpose of a RIMA like Moclobemide is to modulate the availability of key neurotransmitters, or monoamines, within the brain. By reducing the rate at which MAO-A breaks down these chemicals, the medication facilitates an increase in synaptic monoamine concentration. This foundational action defines the drug's therapeutic role as a tool designed to support improved emotional and cognitive well-being in individuals struggling with psychological states.

What side effects are possible with Moclamine?

Possible side effects and safety information

The official safety profile for Moclobemide (Moclamine) details adverse reactions by frequency and the physiological system affected, according to regulatory standards.

Reactions classified as Very Common (ge 1/10) in official labeling include sleep disorders (insomnia), headache, dizziness, nausea, and dry mouth. Common reactions (ge 1/100 to <1/10) involve Psychiatric Disorders such as agitation and anxiety, Vascular Disorders like hypotension, and other effects including asthenia (weakness) and skin rash.

Uncommon and Rare events are also documented. Uncommon reactions (ge 1/1,000 to <1/100) include confusional states and suicidal ideation. Rare reactions (ge 1/10,000 to <1/1,000) include QT interval prolongation and the official documentation of suicidal behaviors and increased hepatic enzymes.

Specific Serious Adverse Reactions and safety constraints are also noted in regulatory documents. The risk of Serotonin Syndrome is explicitly documented when Moclobemide is co-administered with other medicines that enhance serotonin activity, representing a critical safety limitation. Additionally, caution is advised for individuals with severe hepatic impairment, as the medicine's metabolism may be decreased, requiring close observation. Use in children and adolescents under 18 years of age is not recommended.

Time-related safety patterns are also documented, noting that certain reactions like insomnia and nervousness may appear more frequently during the initiation of treatment.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdosage with Moclamine (Moclobemide) alone may result in documented clinical signs and manifestations that are generally non-life-threatening. Regulatory sources describe common presentations including drowsiness, disorientation, slurred speech, amnesia, and reduced reflexes. Gastrointestinal effects such as nausea and vomiting are also documented, alongside neurological symptoms like agitation and, in rare instances, convulsions.

The most severe risk is explicitly documented following combined overdose with other serotonergic medicines. This ingestion scenario may result in a potentially life-threatening condition known as Serotonin Syndrome, which is characterized by severe signs such as hyperthermia, muscular rigidity, hyperreflexia, and tachycardia. Fatal outcomes have been reported in these combined ingestion cases.

Due to the potential for severe, life-threatening outcomes in a mixed overdose, regulators mandate specific emergency actions. Immediate medical attention and hospitalisation are required for any suspected overdose, and close monitoring is essential. Patients or caregivers must contact a regional poison control centre immediately. Management is primarily symptomatic and supportive, which may involve procedures like gastric lavage, as official labeling indicates that no specific antidote is known for Moclobemide.

Therapeutic Uses of Moclamine

What Moclamine Treats: Main Uses and Benefits

Moclamine (Moclobemide) may be part of symptomatic management across specific affective and anxiety disorders. Its application may contribute to easing the overall symptom load and supports general well-being during symptomatic phases. This usage is relevant for easing symptoms related to mood disorders.

Therapeutic Support

The medication may assist with managing symptoms linked to conditions such as Major Depressive Disorder (MDD), related mood disturbances, and Social Anxiety Disorder (Social Phobia). It is applied when symptom clusters, including persistent low mood, anhedonia, and mental fatigue, create noticeable interference with daily stability. It is often used during phases when symptoms become more noticeable, where supportive relief is appropriate.

Quick Fact: Support for Functional Symptoms Moclamine is commonly used to help with symptoms related to psychological inhibition, such as lack of drive and difficulty with concentration, contributing to improved comfort during symptomatic periods.

Moclamine is applied when short-term symptomatic assistance is needed, where it may contribute to easing the overall symptom load and helps maintain a sense of stability when symptoms are more noticeable.

Regulatory References

  1. Health Canada Product Monograph

Eligibility and Restrictions for Use

Eligibility for Moclamine (Moclobemide) Use

Official regulatory documents define the eligible patient population for Moclamine, primarily restricting its use based on age, acute conditions, and organ function.


Populations For Whom Use is Allowed

The medicine is approved for use in adults and older adults. For geriatric patients, no special dose adjustment is typically mandated based on age alone. Patients with reduced renal function do not usually require a special dose adjustment according to regulatory labeling.


Populations For Whom Use is Contraindicated

Use is contraindicated in patients with a known hypersensitivity to the active substance or excipients, in those presenting with an acute confusional state, and in patients with phaeochromocytoma. Due to excipients, it is also contraindicated in patients with hereditary problems such as galactose intolerance or glucose-galactose malabsorption.


Restricted and Conditional Use

Population Group Regulatory Status
Pediatric (Under 18) Not recommended due to lack of established clinical experience.
Severe Hepatic Impairment Requires mandatory dose reduction (to one-half or one-third).
Pregnancy / Lactation Not recommended unless benefits outweigh potential risk.

Use also requires caution and monitoring in patients with pre-existing epilepsy or certain cardiac disorders.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Contraindicated Combinations

The interaction profile of Moclamine is defined by specific regulatory restrictions, primarily concerning the risk of additive effects. Co-administration is formally contraindicated with a range of serotonergic medicines, including Selective Serotonin Reuptake Inhibitors (SSRIs), Tramadol, Triptans, Pethidine, and other MAO inhibitors like Selegiline and Linezolid. This prohibition addresses the potential for serotonergic overactivity.

Pharmacokinetic and Exposure Constraints

Moclobemide is a documented inhibitor of the enzyme CYP2C19. This pharmacokinetic interaction may lead to increased plasma concentrations of co-administered medicines metabolized by this enzyme. Conversely, the co-administration of Cimetidine inhibits Moclobemide's own metabolism, requiring a mandated dose reduction due to increased plasma exposure. The action of sympathomimetic agents may also be intensified.

Food, Supplements, and Timing Rules

Regarding food and supplements, special Tyramine-restricted diets are not generally necessary, but consumption of large quantities of tyramine-rich foods should be avoided. Caution is advised with the herbal product St. John's wort. Timing rules specify that treatment with many other antidepressants may be initiated immediately after withdrawal of Moclamine. A population-specific constraint is the requirement for a dose reduction of Moclamine in patients with severe hepatic impairment due to decreased clearance.

Mechanism of Action

How Moclamine Works


Enzyme-Mediated Signaling Modulation

Moclamine is a reversible inhibitor of monoamine oxidase A (RIMA), meaning its action is confined to domains involving enzyme-mediated signaling. Its primary mechanism is the selective, temporary blocking of the MAO-A enzyme within the central nervous system. This molecular interaction suppresses the catabolic breakdown of specific monoamine neurotransmitters, which are essential signaling molecules. This key action initiates the mechanistic cascade that influences downstream pathway effects.


Central Monoamine Pathway Alteration

By inhibiting MAO-A, Moclamine increases the concentration of the specific monoamine neurotransmitters—notably serotonin and norepinephrine—within the synaptic clefts. This results in an increased presence of these mediators at postsynaptic receptors, thereby increasing the observed magnitude of neurotransmission in systems where these transmitters dominate. This modification in signaling intensity leads to alterations in downstream signaling patterns, influencing the overall systemic activity within targeted neural pathways.

Dosage and Administration Information

How to Use Moclamine: Official Administration Guidelines

Moclamine (Moclobemide) is an orally administered medication supplied as tablets, commonly available in strengths such as 100 mg, 150 mg, and 300 mg. The tablets are intended to be swallowed whole and taken with fluid.

Dosing and Administration Schedule

The medication is to be taken in divided doses two or three times daily. A critical procedural requirement is that the tablets must be taken at the end of a meal or directly after a meal.

  • Initial Dose: The regimen for Major Depressive Disorder typically begins with 300 mg daily. For Social Anxiety Disorder, the recommended dosage is 600 mg daily, often initiated at 300 mg and increased to the full dose by day four.
  • Maintenance and Maximum: The usual maintenance dose ranges from 300 mg to 600 mg daily, with 600 mg daily representing the maximum recommended daily dose. Dose increases should generally not occur until after the first week of therapy, allowing time for the medication's bioavailability to stabilize.

Procedural Use and Adjustments

The duration of treatment to fully assess efficacy is specified as at least four to six weeks for depression and eight to twelve weeks for social phobia. Treatment should preferably continue for a symptom-free period of four to six months before gradual discontinuation.

  • Missed Doses: If an administration time is missed, the dose should not be doubled; the patient should resume the regular schedule with the next planned dose.
  • Older Adults: No specific dose adjustment is typically required for older adults.
  • Hepatic Impairment: For patients with severely impaired hepatic metabolism, the daily dose is reduced to one-half or one-third of the standard dose.

These instructions define the required route, frequency, and maximum dosage, mandating specific contextual timing with food and procedural adjustments based on liver function.

Recent Clinical Evidence

Research Evidence for Moclamine (Moclobemide)


Evidence for Use in Major Depressive Disorder (MDD)

Research has primarily examined Moclamine's role in Major Depressive Disorder, a condition characterized by persistent low mood and a loss of interest. The evidence base includes a large number of controlled studies known as Randomized Controlled Trials (RCTs), where individuals were randomly assigned to receive Moclamine, an inactive treatment (placebo), or another established antidepressant medication. The main outcomes related to systemic or functional imbalance that were monitored included changes in symptom severity scores on specialized rating scales. Studies also explored patterns observed when research compared Moclamine to other antidepressant classes. Findings provide insight into how symptoms evolved in the observed populations over these treatment periods. While a significant amount of short-term data is available, long-term effects are not fully established by controlled trials that follow patients over extended periods.


Evidence for Use in Social Anxiety Disorder (Social Phobia)

Moclamine was studied for Social Anxiety Disorder, a condition presenting with cycles of stability and flare-ups where individuals experience persistent fear and avoidance in social situations. The research in this area also relied on RCTs against both placebo and other active treatments. Researchers monitored outcomes reflecting daily functioning or activity level and changes in fear and avoidance symptoms using condition-specific scales. Studies report how symptoms evolved in the observed populations over the typical treatment period of several weeks. However, the evidence quality varies across studies, and some trials reported findings were mixed. The overall research suggests that certainty remains low compared to the evidence for MDD. Variability in results is a key limitation in this area, meaning that the patterns observed in one trial may differ from those in another.


Long-Term Studies and Follow-up

Research examined what happens to symptom patterns after the initial, short-term treatment phase. Most of the evidence regarding durability comes from open-label studies or follow-up data attached to the initial trials, rather than from dedicated, controlled, long-term RCTs. The current follow-up durations were limited, typically lasting up to one year in maintenance studies, and data are still emerging regarding the overall long-term symptom management patterns.


Evidence in Special Populations and Uncertainties

Moclamine was evaluated in specific groups, notably elderly patients who had depression that was associated with cognitive concerns. These studies described the populations included and the specific assessment tools used in research exploring how symptoms change over time in older individuals. However, the data for certain groups remain insufficient. A significant gap is the lack of a large number of controlled, long-term trials for two years or more, and subgroup findings are uncertain, as comparative evidence is often lacking for many specific patient groups.

Frequently Asked Questions (FAQ)

Common questions about Moclamine (FAQ)


Q: What is the main difference between Moclamine and other common medicines for the same condition?

According to official product information, Moclamine is defined as a Reversible Inhibitor of Monoamine Oxidase type A (RIMA). This classification is a key difference from older Monoamine Oxidase Inhibitors (MAOIs). The RIMA mechanism means the enzyme inhibition is selective and temporary, which is one of the features that differentiates its use.


Q: How long does it typically take before any changes from Moclamine might be noticed?

Official documents indicate that the full clinical effect of the medicine may not be seen until 1 to 3 weeks after starting treatment. Regulatory guidance notes that health professionals typically avoid increasing the dose during this initial period due to an expected increase in the medicine's bioavailability (how much of the drug is absorbed and available).


Q: How does Moclamine affect blood pressure?

Hypotension, or low blood pressure, is documented in the official safety information as a Common side effect. For patients with high blood pressure, regulatory documents note that clinical trials have shown inconsistent effects on blood pressure. Due to this, health professionals generally utilize close monitoring during initial treatment.


Q: Can Moclamine cause changes in appetite?

Changes in appetite are documented as a potential side effect in regulatory patient information. If concerns arise about appetite or weight while using the medicine, it is helpful to be aware of this potential side effect.


Q: What kind of patient experiences are commonly shared regarding the first week of using Moclamine?

Official warnings state that initial patient experiences can include insomnia, nervousness, or jitteriness, particularly at the very beginning of treatment. If these effects are pronounced, these experiences may lead the prescribing health professional to consider adjustments, such as a dose reduction or temporary symptomatic treatment.


Q: Is Moclamine known to cause dry mouth or sweating?

Yes, dry mouth is listed as a Very Common side effect in the official safety profile. While general sweating is not listed as a common effect, sweating a lot is mentioned as a potential symptom that could be indicative of a serious condition called Serotonin Syndrome.


Q: What are the known effects of Moclamine on the liver?

Official documents note that the metabolism of Moclamine is reduced in patients with advanced liver insufficiency. In such cases, the regulatory guidance mandates that the dose must be reduced. Increased hepatic enzymes, which can indicate stress on the liver, are also documented as a Rare adverse reaction in the safety profile.


Q: Is Moclamine considered a short-term or long-term option for its intended use?

While the total duration is determined based on individual needs, regulatory guidance generally recommends continuing the medicine for a symptom-free period of four to six months after the initial assessment period. Long-term studies indicate that the medicine's efficacy is maintained with continued use for managing symptoms.


Q: Can Moclamine be used by people who have diabetes?

According to drug interaction information, Moclamine may increase the hypoglycemic activities of certain anti-diabetic agents. Regulatory documents mention that a pre-treatment cardiac evaluation may be considered for patients with multiple cardiovascular risk factors, a group which includes those with diabetes, before prescribing interacting medications.


Q: Does Moclamine interact with pain relievers like ibuprofen?

Regulatory patient information states that caution should be exercised regarding over-the-counter products that may potentially raise blood pressure. This includes Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), such as ibuprofen or naproxen.


Q: Can Moclamine affect a person’s ability to drive or operate machinery?

Official safety information indicates caution is needed regarding driving or using machines and tools. This is because the medicine is known to cause dizziness in some people, particularly when they first start using it.


Q: Is it normal to feel a change in energy levels after starting Moclamine?

Official regulatory documents list side effects such as feeling dizzy, tired, or generally weak (known as asthenia). Other documented psychiatric effects that may impact perceived energy include agitation and restlessness.


Q: Does Moclamine interact with commonly used medicines for colds or allergies?

Official regulatory monographs advise against the concomitant use of sympathomimetic amines, which are compounds that can stimulate the nervous system. These are frequently found in many proprietary cold, hay fever, or weight-reducing preparations, and concurrent use is contraindicated or must be avoided.


Q: Are there known differences in how Moclamine affects men versus women?

While not a core part of the product label, regulatory-cited research has examined the medicine's effects in both men and women. One study in healthy volunteers found no difference between the medicine and placebo on measures of sexual desire and function.


Q: Does the official information for Moclamine mention anything about sexual side effects?

Sexual dysfunction is a potential side effect that has been reported by some patients taking the medicine. These reports can include effects such as reduced libido or difficulty achieving orgasm.


Q: What should someone know if they are combining Moclamine with alcohol?

Regulatory warnings advise that consuming alcohol may intensify the effect of the medicine. Alcohol may also worsen the symptoms of the condition being treated. Health professionals often advise patients to limit or avoid alcohol during treatment, as it may intensify symptoms.


Q: How often do official sources recommend follow-up monitoring when using Moclamine?

Official warnings state that close monitoring should be carried out for patients, particularly for signs of clinical worsening or suicidal thoughts or behavior. This monitoring is especially important at the beginning of treatment or when the dose is changed (increases or decreases).


Q: Are there any specific tests required before starting Moclamine?

The medicine is formally contraindicated for use in patients with a specific condition involving the adrenal glands (phaeochromocytoma). Official regulatory guidance indicates that a pre-treatment cardiac evaluation may be considered for patients with multiple cardiovascular risk factors before prescribing interacting medications.


Q: Is there information about Moclamine affecting vision?

Less common side effects documented in regulatory patient information include blurred vision or other changes in vision. Increased sensitivity of the eyes to light is also reported as a potential effect.


Q: Does Moclamine interact with common blood thinners like warfarin?

Official interaction summaries indicate that Moclamine may increase the risk or severity of bleeding and hemorrhage. This increased risk applies when the medicine is combined with certain anticoagulants (blood thinners) or anti-platelet agents.

How should Moclamine be stored and disposed of?

How to Store and Dispose of Moclamine?

Regulatory labeling outlines specific conditions for storing and disposing of Moclamine (moclobemide) tablets to maintain product quality and safety.

Official Storage Requirements

Moclamine must be stored at room temperature, generally between 15 C and 30 C (or not exceeding 25 C) and it is strictly required not to freeze the product. The tablets must be protected from both moisture and light.

Storage Constraint Requirement
Temperature Store below 30 C (do not freeze).
Packaging Keep in original container, tightly closed.
Safety Keep out of the sight and reach of children.

Disposal Instructions

To dispose of unused or expired Moclamine, regulatory documents prohibit disposal via wastewater (flushing down the toilet) or routine household waste. The correct procedure is to return the product to a pharmacist or a sanctioned medication take-back program for environmentally safe handling.

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

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