Lomont

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Lomont

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Medically reviewed

Rosario Oropesa

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 Lomont

Lomont is a Prescription Only Medicine (POM) used in the management of mood disorders, deriving its action from the Active Ingredient Lofepramine Hydrochloride. It is classified pharmacologically as a Third-generation Tricyclic Antidepressant (TCA), a structural derivative of Imipramine.


Quick Facts: Lofepramine

Property Description
Active Ingredient Lofepramine Hydrochloride
Form Tablets, Oral Suspension
Pharmacological Class Tricyclic Antidepressant (TCA) / Non-selective Monoamine Reuptake Inhibitor
Common Use Management of Major Depressive Disorder
Origin Synthetic Organic Compound (Dibenzocycloheptene derivative)

What Type of Medicine is Lomont?

Lomont is a Psychoanaleptic agent classified as a Tricyclic Antidepressant (TCA), identifiable by the three-ring structure of its core molecule (ATC code N06AA07). The active ingredient, Lofepramine, is a Synthetic compound recognized for its Third-generation profile, setting it apart from older compounds. Specifically, Lofepramine is structurally designed to exhibit a significantly lower affinity for muscarinic acetylcholine receptors compared to first-generation TCAs. This chemical differentiation influences the drug's overall therapeutic characteristics.


Lofepramine: Composition and Mechanism Overview

The function of Lomont is mediated by its status as a prodrug, meaning it converts into its Active Metabolite, Desipramine, after consumption. This physiological action is the primary mechanism that defines Lomont as a Non-selective Monoamine Reuptake Inhibitor. Both Lofepramine and its metabolite inhibit the reabsorption (reuptake) of the neurotransmitter Norepinephrine and, to a lesser extent, Serotonin, resulting in a sustained Neurotransmitter Concentration Increase in the brain's synapses. This mechanism acts to correct the neurochemical imbalances associated with depressed mood. The overall therapeutic efficacy of Lofepramine in patients with depression is comparable to standard treatments like Imipramine and Amitriptyline. The prodrug mechanism functions to achieve mood stabilization, fulfilling its general Therapeutic Use in adults with Major Depressive Disorder.

What side effects are possible with Lomont?

Possible Side Effects and Safety Information

The regulatory documentation for Lomont (Lofepramine Hydrochloride) establishes its safety profile by classifying potential adverse reactions across several System Organ Classes (SOCs) and by frequency of occurrence, strictly based on official regulatory data.

Common Organ System Manifestations

Adverse events frequently reported in official regulatory sources involve the Nervous System (e.g., dizziness, tremor, sleep disturbances), the Gastrointestinal Tract (e.g., dry mouth, constipation, nausea), and the Cardiovascular System (e.g., tachycardia, hypotension). These commonly reported effects often relate to the medicine's anticholinergic properties.

Less Common and Serious Adverse Reactions

The label documents less frequent but clinically significant effects. Rare documented events include severe reactions involving the Blood and Lymphatic System, such as bone marrow depression (including agranulocytosis), and serious cardiac conduction disorders like QT-prolongation and ventricular arrhythmias. Official warnings also note that suicidal ideation and behaviours have been reported during treatment or shortly after discontinuation, with the risk potentially increasing in the early stages of recovery.

Population-Specific Safety Notes

Specific safety considerations are noted for defined patient groups. The elderly are documented as being more susceptible to certain adverse reactions, including agitation, confusion, and postural hypotension. Additionally, the risk of suicidal behaviour is explicitly stated to be increased in patients under 25 years of age treated with an antidepressant. The risk of bone fractures is also documented in epidemiological studies primarily involving adults 50 years of age and older taking this class of medicine.

Overdose and Emergency Response

Overdose and when to seek help

Overdosage of Lomont (Lofepramine Hydrochloride), a Tricyclic Antidepressant, is classified by regulatory authorities as potentially life-threatening and requires immediate emergency medical intervention. Signs of toxicity can develop rapidly, often involving severe effects on the cardiovascular and central nervous systems.

Documented Overdose Manifestations and Risks

Official prescribing information for this class of medicine consistently documents critical manifestations that include severe cardiac dysrhythmias, QRS interval widening on the electrocardiogram, and significant hypotension.

Central Nervous System effects range from drowsiness and confusion to more severe outcomes like convulsions and coma. Regulatory texts emphasize that the severity of these symptoms is influenced by the amount of drug absorbed and may be heightened in children and elderly patients.

Required Emergency Action

Regulatory guidance strictly mandates that individuals seek immediate medical attention and proceed for hospital monitoring as soon as possible if an overdose is suspected. This urgency is necessary due to the rapid progression of symptoms and the potential for life-threatening complications, such as cardiac arrest.

Management is primarily symptomatic and supportive. Official labeling states that no specific antidote is known for Lofepramine or its active metabolite. Continuous ECG monitoring is required for an extended period to manage potential cardiac toxicity.

Therapeutic Uses of Lomont

The therapeutic use of Lomont (Lofepramine Hydrochloride) is applied in clinical settings that involve acute or unstable symptom patterns. It is relevant when supportive symptom management is appropriate for conditions marked by significant emotional and cognitive distress, focusing on defined symptom clusters rather than just temporary mood changes.

Management and Symptomatic Relief

Lomont is primarily applied across therapeutic domains where additional symptomatic support is needed for Major Depressive Disorder (MDD) and related depressive illness. It addresses core symptoms like profound low mood and persistent loss of interest or pleasure (anhedonia). This medication is also commonly used to help with symptom clusters that may become intense or disruptive, such as co-occurring anxiety, inner tension, and certain types of chronic neuropathic pain. It is relevant when these manifestations create noticeable functional strain. This supportive relief may assist with managing symptoms when they become temporarily overwhelming.

“Lomont may assist with easing symptoms related to emotional distress and co-occurring physical tension, supporting patients during difficult symptomatic phases.”

Quick Fact: Relief for Depressive Symptoms

Lomont is used for managing conditions characterized by periods of heightened symptoms, including depressive illness and associated physical tension, which contributes to easing the overall symptom load and supports general well-being.

Eligibility and Restrictions for Use

Who Can and Cannot Use Lomont?

Eligibility for Lomont (Lofepramine Hydrochloride) is strictly defined by regulatory documents, distinguishing between approved use, conditional use, and absolute contraindications.

Contraindications (Must Not Use)

Lomont is contraindicated and must not be used in patients with several serious conditions, including established Heart Block or Cardiac Arrhythmias, recovery from a Myocardial Infarction, and Severe Liver or Renal Impairment. Absolute prohibition also applies to patients experiencing Mania or Acute Deliria, and those with Untreated Narrow Angle Glaucoma or Prostatic Hypertrophy with Urinary Retention.

Age and Physiological Restrictions

Age Group / Status Regulatory Status
Children & Adolescents (< 18) Not Recommended (Safety not established)
Adults (≥ 18) Approved population
Pregnancy / Lactation Advised Against (Conditional use only)

For older adults, use is permitted, but the official labeling notes that they may respond to lower doses. Conditional use is also required for patients with a history of epilepsy or those with less severe impaired liver or renal function.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define specific restrictions regarding the co-administration of Lomont (Lofepramine Hydrochloride) with other medicinal products and substances.

Contraindicated and Restricted Combinations

Classification Interacting Agents Official Restriction/Outcome
Contraindicated Monoamine Oxidase Inhibitors (MAOIs) Formally prohibited due to the risk of serious adverse reactions like Serotonin Syndrome.
Avoided Amiodarone, Terfenadine Increased risk of ventricular arrhythmias and QT interval prolongation.

Documented Interaction Patterns

Co-administration with other Serotonergic Agents (including SSRIs, Tramadol, and the herbal product St. John’s Wort) is associated with an increased risk of Serotonin Syndrome. Additionally, combining Lomont with Central Nervous System (CNS) Depressants or Alcohol may result in an enhanced sedative effect.

Exposure to Lofepramine is officially documented to be modified by certain enzyme interactions. Concomitant use with CYP2D6 Inhibitors (e.g., Cimetidine, Fluoxetine) can increase the plasma concentrations of Lomont and its active metabolite. Conversely, agents like Rifampicin are documented to decrease plasma levels by accelerating metabolism.

The label specifies that Lomont may reduce the antihypertensive effects of certain blood pressure-lowering agents, such as Guanethidine. A mandatory separation period of at least 14 days must elapse between discontinuing an MAOI and initiating Lomont, or vice versa.

Mechanism of Action

How Lomont Works: Mechanism of Action

Lomont's action is defined by its core mechanism of monoamine reuptake inhibition within the central nervous system. The active ingredient, Lofepramine, functions as a prodrug that is metabolized into the potent inhibitor Desipramine. Both the parent molecule and the metabolite inhibit the reabsorption of the neurotransmitters Norepinephrine via the NET transporter and, secondarily, Serotonin via the SERT transporter. This blockade leads to the sustained elevation of monoamine concentrations in the synaptic cleft.

Crucially, the drug exhibits significantly lower affinity for off-target muscarinic acetylcholine receptors (mAChRs) compared to older compounds in its class. This specificity directs the resultant physiological consequence primarily toward the targeted monoamine pathways. The full functional effect proceeds via a kinetic cascade: the initial chemical elevation is followed by the slow, adaptive reorganization (desensitization or downregulation) of postsynaptic receptors. This necessary neural adaptation dictates the delayed onset of the full functional consequence and represents the core mechanism that modulates the neurochemical dynamics.

Dosage and Administration Information

How to Use Lomont

Lomont (Lofepramine Hydrochloride) is prescribed as an antidepressant with defined administration rules.

Official Usage Principles

Lofepramine is provided as a 70 mg tablet or an oral suspension, and it is intended for oral administration. The medicine's usage is defined by specific dosage patterns and procedural constraints to maintain treatment consistency.

Usage Entity Category Official Administration Guidelines
Route of Administration Oral administration only.
Dosing Schedule (Adults) Standard daily usage ranges from 140 mg to 210 mg.
Frequency Pattern Taken in divided doses (twice or three times daily).
Intake Condition Can be consumed with or without food.

Administration Procedures and Titration

Treatment with Lomont typically begins with a lower initial dose to allow for patient adjustment, followed by a gradual increase (titration) until the optimal regimen of 140 mg or 210 mg is reached. This process structures how the medicine is used over time.

If a dose is missed, it should be taken as soon as the patient remembers, unless the time is close to the next scheduled dose, in which case the user should skip the missed dose and resume the normal schedule (doses should not be doubled). For the oral suspension, the bottle must be shaken well prior to use to ensure consistency. Tablets should be swallowed whole with water.

Population-Specific Use

Lomont is not recommended for the treatment of children and adolescents under the age of 18 years. For older adults (elderly), a lower dose may be appropriate to initiate treatment.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Lomont

Evidence for Use in Major Depressive Disorder (MDD)

The core research base for Lomont (Lofepramine) includes Randomized Controlled Trials (RCTs) and systematic reviews that examined how symptoms change over defined time intervals in adults. These studies were designed to monitor outcomes related to systemic or functional imbalance, such as changes in the severity of depressive symptoms and the rates of change in symptom measures.

Research examined short-term symptom changes, typically over 4 to 12 weeks. Findings describe patterns observed in the studies, and some trials described measurements aligned with patterns observed for other Tricyclic Antidepressants (TCAs). This evidence contributes to understanding symptom patterns in conditions associated with acute or disruptive episodes.

Evidence for Co-occurring Symptoms and Secondary Uses

Lomont was studied for use in conditions characterized by fluctuating or episodic manifestations, including co-occurring anxiety and inner tension that may present alongside Major Depressive Disorder. Findings indicate that some trials described a pattern where the medicine was associated with a different profile of initial physical side effects compared to some older TCAs. However, robust, dedicated trials focusing specifically on anxiety or tension as the primary goal are limited.

Dedicated evidence for the use of Lofepramine in chronic neuropathic pain was observed to be limited. This usage primarily relies on the broader evidence base for the entire class of TCAs, as documented in scientific reviews, rather than dedicated research for Lomont itself.

What is Still Uncertain About the Research

The evidence base highlights what is known and what is still uncertain about Lomont. A primary limitation is that research describes how evidence quality varies across studies, as many foundational studies predate current rigorous reporting standards. Comparative evidence is lacking against many modern antidepressants.

There is limited information for long-term outcomes regarding the use of Lomont for maintenance therapy or relapse prevention. Long-term effects are not well characterized by large-scale, dedicated RCTs, and the sustained effect over extended periods is less characterized by the available research. Data for certain groups, such as children or individuals with specific comorbid conditions, remain insufficient.

Frequently Asked Questions (FAQ)

Common questions about Lomont (FAQ)

Q: What is Lomont and how does it work?

A: Lomont is an oral prescription medication used to treat certain types of partial-onset seizures in adults and children who are four years of age and older. It belongs to a class of drugs known as anticonvulsants or antiepileptic drugs (AEDs).

Lomont works on the central nervous system to reduce the abnormal electrical activity in the brain that leads to seizures.

Q: How should I take Lomont?

A: Lomont is generally taken once daily with or without food. It is available as a tablet that should be swallowed whole. Do not crush, chew, or break the tablets.

Your healthcare provider will determine the correct dose for you based on your age, weight, and response to treatment. It's important to take the medication exactly as prescribed at the same time each day.

Q: What are the common side effects of Lomont?

A: The most common side effects reported with Lomont include drowsiness, dizziness, tiredness, and nausea. Some people may also experience headache or difficulty with coordination.

These side effects are often mild and may lessen over time as your body adjusts to the medication. If any side effect becomes severe or bothersome, you should contact your healthcare provider.

Q: What should I do if I miss a dose of Lomont?

A: If you miss a dose, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time to make up for a missed one.

If you are unsure what to do, or if you miss multiple doses, contact your healthcare provider or pharmacist for advice.

Q: Can I stop taking Lomont if I feel better?

A: No, you should not stop taking Lomont suddenly or without first consulting your healthcare provider. Stopping antiepileptic drugs suddenly can increase the risk of seizures.

When discontinuing Lomont, your doctor will usually recommend a gradual dose reduction (tapering) to minimize the risk of seizures and other withdrawal symptoms. Always follow your doctor's instructions for stopping the medication.

How should Lomont be stored and disposed of?

How to Store and Dispose of Lomont?

The storage and disposal of Lomont (Lofepramine Hydrochloride) must strictly follow official regulatory instructions to maintain product integrity and ensure safety.


Required Storage and Protection

  • Temperature: Store the medicine within the temperature range of 4 C and 25 C; do not store above 25 C.
  • Packaging: Keep the product in the original package and, where applicable, away from direct light.
  • Child Safety: It is mandatory to keep this medicine out of the sight and reach of children.

Disposal of Unused Medicine

Expired or unused Lomont must not be thrown away via wastewater or household waste. Official guidance requires that the product be returned to a pharmacist or local collection scheme for proper disposal to help protect the environment.

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

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