Mutabon Mite

Quick links to important sections

Mutabon Mite

Method of action: Psychoanaleptics

Treatment option:

Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Mutabon Mite

Quick Facts

Property Description
Active ingredient Amitriptyline, Perphenazine
Form Tablet (Oral)
Pharmacological class Psychotherapeutic Combination
General purpose Mood stabilization and anxiety relief
Origin Synthetic

What is Mutabon Mite and What is it Made Of?

Mutabon Mite is a prescription-only medication in oral tablet form, representing a synthetic fixed-dose combination product. It unites two distinct active ingredients, Amitriptyline and Perphenazine. This pharmaceutical architecture is a key differentiator, combining two separate agents into a single entity, which streamlines the approach compared to managing two individual prescriptions. This specific pairing is clinically recognized for its effectiveness in managing complex mood disorders.

Classification: Is Mutabon Mite an Antidepressant or Antipsychotic?

Mutabon Mite is classified as a Psychotherapeutic Combination because it integrates the properties of two separate drug classes. The component Amitriptyline functions as a Tricyclic antidepressant (TCA), and the component Perphenazine belongs to the First-generation antipsychotic class. Although the name Mutabon Mite is specific to certain markets, this exact formulation is also known commercially as Etrafon or Triavil in other regions, confirming its status as a globally recognized fixed combination.

The General Purpose of the Combination

The primary general purpose of the Amitriptyline-Perphenazine combination is to promote mental equilibrium and stabilize mood in situations involving heightened psychological distress. This combination is typically used for adults whose depression is complicated by notable anxiety or agitation. The medicine’s design—leveraging Amitriptyline’s effects on neurotransmitters like norepinephrine and serotonin to boost mood, and Perphenazine’s action on dopamine receptors to modulate emotional responses—is specifically intended to address this dual presentation.

What side effects are possible with Mutabon Mite?

Mutabon Mite, as a combination of a tricyclic antidepressant and a first-generation antipsychotic, carries the documented safety risks of both agents, which are categorized by frequency and the body system affected in regulatory documents.


Adverse Reaction Scope

Category Documented Characteristics
Frequency classification Very Common: Drowsiness, dry mouth, constipation, and blurred vision. Common: Dizziness, tremor, tachycardia, weight gain, and extrapyramidal symptoms. Rare: Neuroleptic Malignant Syndrome (NMS), severe cardiac arrhythmias, and agranulocytosis.
System-organ classes Reactions are classified across Nervous System Disorders (e.g., sedation, movement issues), Cardiac Disorders (e.g., fast heartbeat, QTc changes), and Gastrointestinal Disorders (e.g., dry mouth, constipation).
Serious adverse reactions Officially highlighted risks include Neuroleptic Malignant Syndrome (NMS) and Tardive Dyskinesia, which is associated with long-term exposure to the antipsychotic component. The antidepressant component is associated with a specific risk of suicidal ideation during initial treatment and dose changes, particularly in young adults.

Population-Specific Safety Considerations

Regulatory documents advise that older adults may be more susceptible to adverse effects, including anticholinergic effects (e.g., confusion, urinary retention) and orthostatic hypotension (dizziness upon standing). The product is generally not approved for use in the pediatric population, as its safety and efficacy have not been established. Safety-related restrictions prohibit use in patients with a history of recent myocardial infarction or concomitant use with Monoamine Oxidase Inhibitors (MAOIs).

Overdose and Emergency Response

Overdose Manifestations and Severity

Overdose of Mutabon Mite (Amitriptyline/Perphenazine) is officially documented as potentially fatal and presents with severe symptoms reflecting combined toxicity. Documented Central Nervous System (CNS) manifestations include coma, seizures, severe drowsiness, confusion, and agitation, alongside physical signs such as muscle rigidity and extrapyramidal symptoms. Critical cardiovascular effects are also listed, including severe hypotension, irregular and rapid heartbeat (tachycardia), and serious cardiac arrhythmias, such as ventricular fibrillation, which can lead to cardiac arrest. Additional signs include severe anticholinergic effects like mydriasis (enlarged pupils), hyperpyrexia, and urinary retention.

Mandated Emergency Action

Due to the risk of life-threatening outcomes, regulatory authorities mandate that immediate medical attention must be sought if an overdose is suspected. Patients must contact a Poison Control Center or emergency services immediately. Hospitalization is required for continuous professional observation, as complications can be delayed. Management is symptomatic and supportive, which includes maintaining an adequate airway and stabilizing the cardiovascular system. As no specific antidote is known, continuous monitoring, including an Electrocardiogram (ECG), is required to detect and manage potential cardiac instability.

Therapeutic Uses of Mutabon Mite

What Mutabon Mite Treats: Main Uses and Benefits

Mutabon Mite is commonly used to help patients experiencing moderate to severe anxiety and/or agitation that occurs simultaneously with depressed mood. This combination product is considered relevant when supportive symptom management is appropriate for these highly stressful presentations. It is applied across therapeutic domains where additional symptomatic support is needed to address symptom clusters that may become intense or disruptive.

“The combination's intended use is to offer symptomatic relief that helps patients cope more steadily with difficult episodes of both low mood and restlessness.”

This medication is often applied during phases where the patient experiences heightened discomfort, used in acute symptomatic episodes that require short-term symptomatic assistance. This includes complex clinical settings such as managing depressive symptoms that may be associated with schizophrenia. For the patient, this supports general well-being during symptomatic phases and contributes to improved comfort during difficult periods.


Quick Fact: Relief for Complex Mixed Symptoms The combination is used for managing patients experiencing both profound depressed mood and notable psychomotor agitation.

Eligibility and Restrictions for Use

Who can and cannot use Mutabon Mite?

Regulatory documents establish specific eligibility rules defining who is allowed, restricted, or prohibited from using the combination of Amitriptyline and Perphenazine.

Eligibility Status Applicable Population/Condition
Absolutely Contraindicated Patients with known hypersensitivity to the ingredients; those in the acute recovery phase following a myocardial infarction (MI); patients taking Monoamine Oxidase Inhibitors (MAOIs); patients with liver damage, blood dyscrasias, or severe CNS depression from drugs.
Not Approved for Use Pediatric patients (children and adolescents). This combination is also not approved for treating dementia-related psychosis in older adults.
Conditional Use/Caution Patients with a history of seizures, cardiovascular disorders (arrhythmias), angle-closure glaucoma, or urinary retention.
Use Not Established Pregnancy and Lactation; the medicine should only be used if the potential benefit justifies the potential risk to the fetus or child.

Mutabon Mite is primarily approved for use in adult patients. Safety and efficacy have not been established in the pediatric population, and use is restricted by age and severe pre-existing conditions as formally documented in prescribing information.

What should I know about interactions with other medicines?

Interactions with other Medicines and Products

The use of Mutabon Mite, a combination of amitriptyline and perphenazine, requires careful attention to potential interactions with other medicines, products, and medical procedures as documented in official regulatory sources.

Contraindicated Combinations and Timing Restrictions

  • Monoamine Oxidase Inhibitors (MAOIs): Co-administration with MAOIs, including phenelzine, tranylcypromine, isocarboxazid, or linezolid, is strictly prohibited. A minimum 14-day interval must elapse after discontinuing an MAOI before starting this product, and vice-versa, to avoid the risk of severe reactions like hyperpyretic crises or serotonin syndrome.
  • QTc-Prolonging Agents: Concurrent use with other drugs known to prolong the QTc interval, such as certain antiarrhythmics (e.g., quinidine, propafenone, flecainide) or some antipsychotics (e.g., pimozide, sotalol), is prohibited due to the risk of serious cardiac arrhythmias.
  • Metrizamide: The perphenazine component must be discontinued 24 hours prior to any procedure involving the administration of metrizamide, a contrast medium.

Significant Interaction Categories

  • CYP2D6 Inhibitors: Drugs that inhibit the CYP2D6 enzyme, such as certain SSRIs (e.g., fluoxetine, paroxetine) or cimetidine, may increase the concentration of the amitriptyline component, leading to potentially marked toxicity. If switching from fluoxetine, a washout period of at least five weeks is required.
  • CNS Depressants: This product enhances the effects of other Central Nervous System (CNS) depressants, including alcohol, sedatives, hypnotics, opioids, and certain anti-anxiety medications, leading to exaggerated sedation and impairment. Consumption of alcohol is restricted.
  • Antacids/Anti-Diarrhea Agents: The product should not be taken within two hours of antacids or medicines for diarrhea, as these may reduce the absorption and effectiveness of the medicine.

Mechanism of Action

How Mutabon Mite Works: Pharmacodynamics

Mutabon Mite exerts its action through the dual modulation of central monoamine neurotransmission. Perphenazine, one component, functions as an antagonist at post-synaptic mathbfD2 dopamine receptors and mathbf5-HT2 serotonin receptors, thereby reducing the magnitude of signaling through these pathways. The second component, Amitriptyline, acts as an inhibitor of the Serotonin (mathbf5-HT) and Norepinephrine (mathbfNE) reuptake transporters ( SERT and NET). This inhibition increases the synaptic concentration of 5-HT and NE, enhancing monoamine neurotransmission.

Beyond these primary targets, both components exhibit significant affinity for off-target receptors. Blockade of Histamine mathbfH1 receptors in the central nervous system leads directly to CNS depression. Additionally, antagonism of peripheral alpha1 adrenergic and Muscarinic cholinergic receptors contributes to anticholinergic physiological effects (e.g., altered gastrointestinal movement) and modulates vascular tone, potentially resulting in orthostatic hypotension.

Dosage and Administration Information

How to use Mutabon Mite

Mutabon Mite is administered exclusively through the oral route as a fixed-dose combination tablet. Multiple strengths are available, such as the 2 mg/25 mg and 4 mg/25 mg tablets, which contain specified amounts of perphenazine and amitriptyline hydrochloride.

Administration Scope

Instruction Detail
Route of administration Oral ingestion only, using the fixed-dose combination tablet.
Dosing schedule (Adults) Initial Dosing: One 2 mg/25 mg or 4 mg/25 mg tablet for psychoneurotic patients; two 4 mg/25 mg tablets for severely ill patients, per dose.
Maximum Daily Dose Total daily intake should not exceed eight tablets of any strength.
Frequency and timing Initial: Administered in divided doses, typically three or four times a day. Maintenance: Reduced to two to four times a day.
Age-group rules A lower initial dosage regimen is advised for elderly patients and adolescents.
Adjustment Condition Dosage must be cautiously adjusted to achieve the smallest effective maintenance dose.

Connection to the Overall Use Protocol

The administration protocol utilizes fixed-dose oral tablets, standardizing the simultaneous delivery of both active components. This approach requires the total prescribed amount to be divided and administered multiple times daily, structuring the pattern of drug exposure. The entire process follows a sequence of initial dosing and subsequent cautious adjustment to the smallest dose for potential long-term maintenance, which may continue for many months.

Recent Clinical Evidence

Recent Clinical Evidence

Clinical studies on Mutabon Mite (mirtazapine) primarily focus on its use in managing major depressive disorder. Research has investigated its pharmacological properties, outcomes in monotherapy, and use as part of combination regimens.


Combination Therapy vs. Monotherapy

Research has explored whether combining mirtazapine with other antidepressant classes or psychological support is associated with specific recovery endpoints. One major trial examined the outcomes of mirtazapine plus venlafaxine against monotherapies and reported no significant difference in rates of remission. However, meta-analyses suggest that the augmentation of antidepressant therapy with mirtazapine may be associated with differences in outcome, particularly in patients with treatment-resistant depression.

Specific studies assessed the safety profile of this regimen in adult participants.


Onset of Action and Quantified Outcomes

Studies have examined the use of mirtazapine at different points following diagnosis. Due to its mechanism of action, mirtazapine is observed to have a relatively rapid absorption rate, with peak blood concentrations typically reached within two hours following an oral dose.

The pharmacological characteristics of the drug were explored in research. One trial reported that 80% of participating patients reported an observation of reduced frequency of symptoms during the initial month of treatment. Studies also reported common side effects, including somnolence (54%) and increased appetite (17%), compared to a placebo group.


Adjunct Interventions

Studies have examined mirtazapine as a standalone treatment. Research also explored whether combining it with other interventions may be associated with differences in the duration of effect.

Frequently Asked Questions (FAQ)

Common questions about Mutabon Mite (FAQ)


Q: How does Mutabon Mite differ from regular Mutabon?

Mutabon Mite is the brand name for a fixed-dose combination of the medicines amitriptyline and perphenazine, which is available in specific strengths. Official information indicates that the distinction between a 'Mite' and a 'regular' version may refer to differences in the component dosage. The term 'Mite' is often used in pharmaceuticals to signify a lower-strength formulation, but regulatory information focuses on the exact milligram content listed on the label.

Q: How long does it typically take to start noticing effects?

Official information about the drug components shows they are absorbed relatively quickly, with peak concentrations reached within hours of taking an oral dose. However, the time it takes to observe clinical effects may vary among individuals. Studies examining the use of this medicine have indicated that some patients may report a reduction in symptom frequency within the initial month of treatment.

Q: Does Mutabon Mite interact with common pain relievers?

Official regulatory documents include specific warnings against using Mutabon Mite with certain Central Nervous System (CNS) depressants, a category that includes opioid pain relievers. The prescribing information details these major interaction categories but does not explicitly address all non-opioid, over-the-counter pain relievers, such as common NSAIDs.

Q: Is Mutabon Mite suitable for teenagers?

No, Mutabon Mite is primarily approved for use in adults. According to official prescribing information, the product is not approved for use in pediatric patients, a group which includes adolescents. This is because the overall safety and efficacy of the combination medicine have not been established in this younger population.

Q: Is this medicine only for short-term use?

Official administration protocols indicate that the course of therapy often involves an initial phase followed by a long-term maintenance dose, which may continue for many months. Due to this potential duration of use, regulatory documents advise that certain clinical monitoring, such as blood counts, is appropriate during long-term therapy.

Q: Is it normal to feel a bit restless when starting Mutabon Mite?

The official safety profile lists extrapyramidal symptoms, which involve involuntary movement issues, as a common effect of the perphenazine component. Restlessness is a type of movement issue known as akathisia, which has been documented in association with antipsychotic medications.

Q: Does Mutabon Mite affect driving ability?

Yes, the official documentation states that the medicine can cause effects such as drowsiness, dizziness, and CNS depression. Due to these known effects on the central nervous system, regulatory warnings relate to potential impairment when performing skilled tasks, including driving or operating complex machinery.

Q: Are allergic reactions to Mutabon Mite common?

Hypersensitivity, or an allergic reaction to the ingredients, is listed in regulatory documents as an absolute contraindication, signifying that use is prohibited in patients with this condition. The frequency of generalized allergic reactions is not explicitly listed among the 'Very Common' or 'Common' side effects reported in clinical trials.

Q: Does Mutabon Mite require any special monitoring by a healthcare provider?

Yes, regulatory documents advise that close monitoring is required. Periodic checks, such as blood counts and liver function tests, are often advised during long-term use. Additionally, patients of all ages are subject to close monitoring for changes in behavior and suicidal thinking when starting the medicine or adjusting the dose.

Q: Is the medicine effective for everyone who uses it?

Studies suggest that individual patient response to the medicine can vary. Clinical evidence reports that 80 % of patients examined reported an observation of reduced frequency of symptoms within the initial month of treatment. This indicates that the medicine may not result in full effectiveness or relief for every person who uses it.

Q: Does it affect my ability to concentrate?

The medicine is associated with various central nervous system (CNS) effects, including sedation, drowsiness, and confusion. In some patients, particularly older adults, these effects may result in altered concentration or memory.

Q: What is the most serious side effect listed for Mutabon Mite?

Official labeling includes Boxed Warnings, which highlight the most serious risks. These warnings concern the risk of increased mortality in elderly patients with dementia-related psychosis and the risk of suicidal thinking and behavior in young adults. Other serious adverse reactions documented include Neuroleptic Malignant Syndrome (NMS) and Tardive Dyskinesia.

Q: Does the medicine need to be taken at a specific time of day?

The regulatory dosing schedule specifies that the medicine is typically administered in divided doses, such as three or four times a day. This protocol means the total amount is meant to be spread throughout the day, rather than requiring the dose to be taken at one single, specific clock time.

Q: Does Mutabon Mite have any withdrawal symptoms?

Yes, official documents mention that withdrawal symptoms have been noted in some patients upon sudden discontinuation, particularly those who showed dependence due to chronic overdose. Regulatory guidance related to these types of medications notes that sudden cessation should be avoided and that any discontinuation process should occur gradually.

Q: Is Mutabon Mite habit-forming?

The product is not classified as a controlled substance by the U.S. DEA, which identifies medicines with high abuse potential. However, regulatory text mentions that excessive, prolonged use in susceptible patients may result in a drug dependence, with withdrawal symptoms sometimes seen upon abrupt cessation.

Q: What happens if I miss a dose of Mutabon Mite?

Regulatory-aligned guidance for oral medications generally indicates that a double dose should not be taken to make up for a missed one. Official information states that patients should seek guidance from their healthcare provider for case-specific instructions regarding a forgotten dose.

Q: Is the 'Mite' version a lower dose?

The term 'Mite' in pharmaceutical naming often suggests a lower strength formulation of a medicine. Official prescribing information details specific strengths for the combination (e.g., 2 mg/25 mg and 4 mg/25 mg) and advises that lower initial doses are used for certain populations, such as elderly patients.

Q: Is Mutabon Mite available as a generic medicine?

Yes, according to the official regulatory label (DailyMed), the fixed-dose combination of perphenazine and amitriptyline hydrochloride is available under a generic listing.

Q: Where can I find official information about Mutabon Mite?

The full prescribing information and other official regulatory details for the medicine are published on government websites. Authoritative sources include the U.S. FDA’s DailyMed and the NIH’s MedlinePlus.

Q: Is Mutabon Mite classified as a controlled substance?

No, the product is not classified as a controlled substance by the U.S. Drug Enforcement Administration (DEA).

Q: Can Mutabon Mite be taken with supplements or herbal remedies?

Regulatory-aligned information indicates that patients are directed to inform their healthcare provider about all substances they are using. This guidance covers all medications, as well as herbal supplements and remedies, as these may interfere or interact with the prescribed medicine.

How should Mutabon Mite be stored and disposed of?

The official regulatory documents specify strict conditions for storing and disposing of Mutabon Mite (amitriptyline/perphenazine) tablets.

Official Storage Requirements

Detail Regulatory Requirement
Temperature Store at controlled room temperature (20 C to 25 C / 68 F to 77 F).
Protection Must be protected from light and moisture.
Container Store in a closed, light-resistant container.
Handling Keep out of the reach of children and do not freeze.

Disposal Instructions

Unused or expired medication must be handled according to specific procedures. The preferred method for disposal is through an authorized drug take-back program or medicine drop-off kiosk. If a take-back program is not available, the tablets must be mixed with an undesirable substance, such as dirt or used coffee grounds, sealed in a container, and placed in the household trash. Medications must not be flushed down the toilet or poured down a sink unless the product is specifically listed as safe for flushing by the regulatory authority.

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

Available in countries:

Equivalent of Mutabon Mite found in:

A-Z Index: